### 1 

### Illustrative List of Long - Chain Perfluoroalkyl Carboxylate ( 

### LCPFAC ) Chemical Substances EPA is providing the following illustrative list of chemicals as guidance on the LCPFAC category definition described in 40 CFR 721.10536 (b)(1) . Table 1 provides examples of chemical substances for each of the five LCPFAC category definition subgroups. Table 2 provides all of LCPFAC chemical substances that meet the category definition and are recorded in the EPA’s Substance Registry System (SRS). However, note that this is not a definitive or exhaustive list of the LCPFAC chemical substances described in 40 CFR 721.10536(b)(1) . The chemical substances covered by 40 CFR 721.10536 are those that meet the chemical formula provided in the regulation. 

### Table 1 : Illustrative L ist of C hemical S ubstances for E ach S ubgroup of LCPFAC D efinition LCPFAC Chemical Subgroup Example Chemicals Chemical Name CAS N o. i. CF 3 

### (CF 2 

### )n - COO – M where M = H + 

### or any other g roup where a formal dissociation can be made Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro 335 - 67 - 1 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , ammonium salt (1:1) 3825 - 26 - 1 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , silver(1+) salt (1:1) 335 - 93 - 3 

### ii. CF 3 

### (CF 2 

### )n - CH = CH 2 1 - Decene, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluoro 21652 - 58 - 4 Poly(difluoromethylene), .alpha. - ethenyl - .omega. - fluoro 65530 - 75 - 8 Alkenes, C8 - 14 .alpha., .gamma. - .omega. - perfluoro 210432 - 72 - 7 

### iii. CF 3 

### (CF 2 

### )n - C(=O) – X , where X is any chemical moiety Octanoyl fluoride, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro 335 - 66 - 0



### iv. CF 3 

### (C F 2 

### )m - CH 2 

### – X , where X is any chemical moiety 1 - Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluoro 678 - 39 - 7 1 - Dodecanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12 - heneicosafluoro 865 - 86 - 1 Dodecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10 - heneicosafluoro - 12 - iodo 2043 - 54 - 1



### v. CF 3 

### (CF 2 

### )m – Y – X where Y = non - S, non - N hete ro atom and where X is any chemical moiety Phosphonic acid, perfluoro - C6 - 12 - alkyl derivs. 68412 - 68 - 0 Phosphinic acid, bis(perfluoro - C6 - 12 - alkyl) derivs. 68412 - 69 - 1

### 2 

### Table 2 : List of LCPFAC chemical substances from SRS Chemical Name CASRN Dodecanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12 - tricosafluoro - 307 - 55 - 1 1 - Undecanol, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11 - eicosafluoro - 307 - 70 - 0 Undecanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11 - eicosafluoro - , potassium salt (1:1) 307 - 71 - 1 Heptane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7 - pentadecafluoro - 7 - iodo - 335 - 58 - 0 Octanoyl fluoride, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - 335 - 66 - 0 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - 335 - 67 - 1 Decanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - nonadecafluoro - 335 - 76 - 2 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , silver(1+) salt (1:1) 335 - 93 - 3 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , sodium salt (1:1) 335 - 95 - 5 Hexadecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16 - tritriacontafluoro - 16 - iodo 355 - 50 - 0 Nonanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9 - heptadecafluoro - 375 - 95 - 1 Tetradecanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9, 9,10,10,11,11,12,12,13,13,14,14,14 - heptacosafluoro - 376 - 06 - 7 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , methyl ester 376 - 27 - 2 Decane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10 - heneicosafluoro - 10 - iodo - 423 - 62 - 1 Octane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8 - heptadecafluoro - 8 - iodo - 507 - 63 - 1 Nonane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9 - nonadecafluoro - 9 - iodo - 558 - 97 - 4 Decane, 1,1,1,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10 - eicosafluoro - 10 - iodo - 2 - (trifluoromethyl) - 677 - 93 - 0 1 - Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluoro - 678 - 39 - 7 1 - Dodecanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12 - heneicosafluoro - 865 - 86 - 1 Undecanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11 - eicosafluoro - 1765 - 48 - 6 2 - Propenoic acid, 2 - methyl - , 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl ester 1996 - 88 - 9 Decane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8 - heptadecafluoro - 10 - iodo - 2043 - 53 - 0 Dodecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10 - heneicosafluoro - 12 - iodo - 2043 - 54 - 1 2 - Propenoic acid, 2 - methyl - , 3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluorooctyl ester 2144 - 53 - 8 2 - Propenoic acid, 2 - methyl - , 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12 - heneico safluorododecyl ester 2144 - 54 - 9 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , ethyl ester 3108 - 24 - 5 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , ammonium salt (1:1) 3825 - 26 - 1 Octadecanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,18 - pentatriacontafluoro 16517 - 11 - 6 2 - Propenoic acid, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12 - heneicosafluorododecyl ester 17741 - 60 - 5 1 - Decene, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluoro - 21652 - 58 - 4 Thiocyanic acid, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl ester 26650 - 10 - 2 3,6,9,12 - Tetraoxapentadecane, 1,1,1,2,4,4,5,7,7,8,10,10,11,13,13,14,14,15,15,15 - eicosafluoro - 5,8, 11 - tris(trifluoromethyl) - 26738 - 51 - 2 1 - Octanesulfonyl chloride, 3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluoro - 27619 - 89 - 2 1 - Decanesulfonyl chloride, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluoro - 27619 - 90 - 5 1 - Dodecanesulfonyl chloride, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12 - heneicosafluoro - 27619 - 91 - 6 1 - Octanesulfonic acid, 3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluoro - 27619 - 97 - 2 2 - Propenoic acid, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl ester 27905 - 45 - 9 Eicosane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20 - hentetracontafluoro - 20 - iodo 29809 - 34 - 5

### 3 Octadecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18 - heptatriacontafluoro - 18 - iodo 29809 - 35 - 6 Tetradecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12 - pentacosafluoro - 14 - iodo - 30046 - 31 - 2 2 - Propenethioic acid, 2 - methyl - , S - [3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,12,12,12 - eicosafluoro - 11 - (trifluoromethyl)dodecyl] ester 30769 - 88 - 1 1 - Decanaminium, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluoro - N,N - bis(2 - hydroxyethyl) - N - methyl - , iodide (1:1) 31841 - 41 - 5 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , 1,1' - anhydride 33496 - 48 - 9 2 - Propenoic acid, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16 - nonacosafluorohexadecyl ester 34362 - 49 - 7 2 - Propenoic acid, 3,3,4,4,5,5,6,6 ,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14 - pentacosafluorotetradecyl ester 34395 - 24 - 9 1 - Propanaminium, N - (carboxymethyl) - N,N - dimethyl - 3 - [[(3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluorooctyl)sulfonyl]amino] - , inner salt 34455 - 29 - 3 3,6,9,12 - Tetraoxapentadecanoyl fluoride, 2,4,4,5,7,7,8,10,10,11,13,13,14,14,15,15,15 - heptadecafluoro - 2,5,8,11 - tetrakis(trifluoromethyl) - 34761 - 47 - 2 1 - Tetradecanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14 - pentacosafluoro - 39239 - 77 - 5 Butane, 1,1,1,2,2 - pentafluoro - 4 - iodo - 40723 - 80 - 6 2 - Propenoic acid, 2 - [[(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl)sulfonyl]methylamino]ethyl ester 48077 - 95 - 8 2 - Propenoic acid, 2 - [methyl[(3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluorooctyl)sulfon yl]amino]ethyl ester 49859 - 70 - 3 2 - Propenoic acid, 3,3,4,4,5,5,6,6,6 - nonafluorohexyl ester 52591 - 27 - 2 2 - Propenoic acid, 2 - methyl - , 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,18 - tritriacontafluorooctadecyl ester 59778 - 97 - 1 1 - Hexadecanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16 - nonacosafluoro - 60699 - 51 - 6 Pyridinium, 1 - (3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl) - , 4 - methylbenzenesulfonate (1:1) 61798 - 68 - 3 1 - Propanaminium, N - (2 - carboxyethyl) - N,N - dimethyl - 3 - [[(3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluorooctyl)sulfonyl]amino] - , inner salt 61798 - 69 - 4 2 - Propenoic acid, 2 - methyl - , .gamma. - .omega. - perfluorododecyl ester, polymer with .gamma. - .omega. - perfluorodecyl 2 - methyl - 2 - propenoate, methyl 2 - methyl - 2 - propenoate, .gamma. - .omega. - perfluorotetradecyl 2 - methyl - 2 - propenoate 65104 - 45 - 2 Eicosane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18 - heptatriacontafluoro - 20 - iodo 6 5104 - 63 - 4 2 - Propenoic acid, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,20 - heptatriacontafluoroeicosyl ester 65104 - 64 - 5 1 - Eicosanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,20 - heptatriacontafluoro 65104 - 65 - 6 2 - Propenoic acid, 2 - methyl - , 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,20 - heptatriacontafluoroeicosyl ester 65104 - 66 - 7 1 - Octadecanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,18 - tritriacontafluoro 65104 - 67 - 8 2 - Propenoic acid, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,1 5,15,16,16,17,17,18,18,18 - tritriacontafluorooctadecyl ester 65150 - 93 - 8 Octadecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16 - tritriacontafluoro - 18 - iodo 65150 - 94 - 9 Hexadecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14 - nonacosafluoro - 16 - iodo - 65510 - 55 - 6 Undecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9 - nonadecafluoro - 11 - iodo - 65510 - 56 - 7 Poly(difluoromethylene), .alpha. - [2 - [[2 - (dimethylamino)ethyl]thio]ethyl] - .omega. - fluoro - 65530 - 55 - 4

### 4 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - [[2 - (trimethylammonio)ethyl]thio]ethyl] - , methyl sulfate (1:1) 65530 - 57 - 6 Poly(difluoromethylene), .alpha. - fluoro - .omega. - (2 - hyd roxyethyl) - , ester with 2,15 - bis(carboxymethyl) - 4,13 - dioxo 3,14 - dioxa - 5,12 - diazahexadecane - 1,2,15,16 - tetracarboxylic acid (6:1) 65530 - 58 - 7 Poly(difluoromethylene), .alpha. - fluoro - .omega. - (2 - hydroxyethyl) - , 2 - hydroxy - 1,2,3 - propanetricarboxylate (3:1) 65530 - 59 - 8 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl] - 65530 - 61 - 2 Poly(difluoromethylene), .alpha.,.alpha.' - [phosphinicobis(oxy - 2,1 - ethanediyl)]bis[.omega. - fluoro - 65530 - 62 - 3 Ethanol, 2,2' - iminobis - , compd. with .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl]poly(difluoromethylene) (2:1) 65530 - 63 - 4 Ethanol, 2,2' - iminobis - , compd. with .alpha.,.alpha.' - [phosphinicobis(oxy - 2,1 - ethanediyl)]bis[.omega. - fluoropoly(difluoromethylene)] (1:1) 65530 - 64 - 5 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - [(1 - oxooctadecyl)oxy]ethyl] - 65530 - 65 - 6 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - [(2 - methyl - 1 - oxo - 2 - propen - 1 - yl)oxy]ethyl] - 65530 - 66 - 7 Poly(difluoromethylene), .alpha.,.omega. - bis(methylthio) - 65530 - 67 - 8 Poly(difluoromethylene), .alpha. - [2 - [[2 - [(carboxymethyl)dimethylammonio]ethyl]thio]ethyl] - .omega. - fluoro - , inner salt 65530 - 68 - 9 Poly(difluoromethylene), .alpha. - [2 - [(2 - carboxyethyl)thio]ethyl] - .omega. - fluoro - , lithium salt (1:1) 65530 - 69 - 0 Poly(difluoromethylene), .alpha.,.alpha.' - [phosphinicobis(oxy - 2,1 - ethanediyl)]bis[.omega. - fluoro - , ammonium salt (1:1) 65530 - 70 - 3 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl] - , ammonium salt (1:1) 65530 - 71 - 4 Poly(difluoromethyl ene), .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl] - , ammonium salt (1:2) 65530 - 72 - 5 Poly(difluoromethylene), .alpha.,.alpha.' - (thiodi - 2,1 - ethanediyl)bis[.omega. - fluoro - 65530 - 73 - 6 Ethanol, 2,2' - iminobis - , compd. with .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl]poly(difluoromethylene) (1:1) 65530 - 74 - 7 Poly(difluoromethylene), .alpha. - ethenyl - .omega. - fluoro - 65530 - 75 - 8 Poly(difluoromethylene), .alpha.,.alpha.' - [sulfonylbis(oxy - 2,1 - ethanediyl)]bis[.omega. - fluoro - 65530 - 76 - 9 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - (sulfooxy)ethyl] - 65530 - 77 - 0 1,3 - Propanediamine, N1,N1 - dimethyl - , compd. with .alpha.,.alpha.' - [phosphinicobis(oxy - 2,1 - ethanediyl)]bis[.omega. - fluoropoly(difluoromethylene)] (1:1) 65530 - 78 - 1 1,3 - Propanediamine, N1,N1 - dimethyl - , compd. with .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl]poly(difluoromethylene) (2:1) 65530 - 79 - 2 1,3 - Propanediamine, N1,N1 - dimethyl - , compd. with .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl]poly(difluoromethylene) (1:1) 65530 - 80 - 5 Poly(difluoromethylene), .alpha.,.omega. - difluoro - 65530 - 82 - 7 Poly(difluoromethylene), .alpha. - [2 - [(2 - carboxyethyl)thio]ethyl] - .omega. - fluoro - 65530 - 83 - 8 Poly(difluoromethylene), .alpha. - (cyclohexylmethyl) - .omega. - hydro - 65530 - 85 - 0 Poly(oxy - 1,2 - ethanediyl), .alpha. - hydro - .omega. - hydroxy - , ether with .alpha. - fluoro - .omega. - (2 - hydroxyethyl)poly(difluoromethylene) (1:1) 65545 - 80 - 4 Poly(difluoromethylene), .alpha. - fluoro - .omega. - (2 - hydroxyethyl) - , dihydrogen 2 - hydroxy - 1,2,3 - propanetrica rboxylate 65605 - 56 - 3 Poly(difluoromethylene), .alpha. - fluoro - .omega. - (2 - hydroxyethyl) - , hydrogen 2 - hydroxy - 1,2,3 - propanetricarboxylate 65605 - 57 - 4 1 - Undecanesulfonyl chloride, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11 - nonadecafluoro - 65702 - 24 - 1 2 - Propenoic acid, 2 - [methyl[(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,13 - pentacosafluorotridecyl)sulfonyl]amino]ethyl ester 66008 - 67 - 1 1 - Propanaminium, N - (carboxymethyl) - N,N - dimethyl - 3 - [methyl[(3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluorooctyl)sulfonyl]amino] - , inner salt 66008 - 71 - 7

### 5 1 - Propanaminium, N - (2 - carboxyethyl) - N,N - dimethyl - 3 - [methyl[(3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluorooctyl)sulfonyl]amino] - , inner salt 66008 - 72 - 8 Carbamic acid, N - [2 - (sulfothio)ethyl] - N - (3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluoroctyl) - , C - ethyl ester, sodium salt (1:1) 67846 - 66 - 6 Hexadecanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16 - hentriaco ntafluoro - 67905 - 19 - 5 2 - Butenedioic acid (2E) - , bis(.gamma. - .omega. - perfluoro - C4 - 20 - alkyl) esters, polymers with 1 - (ethenyloxy)butanol, ethylene, 1,4 - hexadiene and propene 68037 - 22 - 9 1,4 - Butanediol, 2,3 - bis[(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl)thio] derivs., polymers with 1,6 - diisocyanatotrimethylhexane and 2,2' - (methylimino)bis[ethanol] 68037 - 23 - 0 Thiols, C4 - 10, .gamma. - .omega. - perfluoro 68140 - 18 - 1 Thiols, C4 - 20, .gamma. - .omega. - perfluoro 68140 - 19 - 2 Thiols, C6 - 12, .gamma. - .omega. - perfluoro 68140 - 20 - 5 Thiols, C10 - 20, .gamma. - .omega. - perfluoro 68140 - 21 - 6 Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - , chromium(3+) salt (3:1) 68141 - 02 - 6 Alkenes, C4 - 20 .alpha. - , .gamma. - .omega. - perfluoro 68155 - 04 - 4 2H - Pyran, 2,2,3,3,4,4,5,5,6 - nonafluorotetrahydro - 6 - (1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9 - nonadecafluorononyl) - 68155 - 54 - 4 1,4 - Butanediol, 2,3 - bis[(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl)thio] derivs. 68187 - 24 - 6 Butanoic acid, 4 - [[3 - (dimethylamino)propyl]amino] - 4 - oxo - , 2(or 3) - [(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl)thio] derivs. 68187 - 25 - 7 Propanamide, 3 - [(.gamma. - .omega. - perfluoro - C4 - 10 - alkyl)thio] derivs. 68187 - 42 - 8 1 - Propanesulfonic acid, 2 - methyl - , 2 - [[1 - oxo - 3 - [(.gamma. - .omega. - perfluoro - C4 - 16 - alkyl)thio]propyl]amino] derivs., sodium salts 68187 - 47 - 3 Alkyl iodides, C4 - 20, .gamma. - .omega. - perfluoro 68188 - 12 - 5 Eicosanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,20 - nonatriacontafluoro 68310 - 12 - 3 Fatty acids, C7 - 13, perfluoro 68333 - 92 - 6 Poly(difluoromethylene), .alpha. - fluoro - .omega. - (2 - iodopropyl) - 68379 - 37 - 3 Alkyl iodides, C4 - 18, .gamma. - .omega. - perfluoro 68390 - 32 - 9 Alkyl iodides, C10 - 12, .gamma. - .omega. - perfluoro 68390 - 33 - 0 Alcohols, C8 - 14, .gamma . - .omega. - perfluoro 68391 - 08 - 2 Phosphonic acid, perfluoro - C6 - 12 - alkyl derivs. 68412 - 68 - 0 Phosphinic acid, bis(perfluoro - C6 - 12 - alkyl) derivs. 68412 - 69 - 1 1,4 - Benzenedicarboxylic acid, dimethyl ester, reaction products with bis(2 - hydroxyethyl) terephthalate, ethylene glycol, .alpha. - fluoro - .omega. - (2 - hydroxyethyl)poly(difluoromethylene), hexakis(methoxymethyl)melamine and polyethylene glycol 68515 - 62 - 8 1,2 - Ethanediol, reaction products with .alpha. - fluoro - .omega. - (2 - hydroxyethyl)poly(difluorome thylene), hexakis(methoxymethyl)melamine and polyethylene glycol 68515 - 70 - 8 Sulfuric acid, mono(.gamma. - .omega. - perfluoro - C6 - 12 - alkyl) esters, ammonium salts 68516 - 17 - 6 Alcohols, C3 - 12, .beta. - .omega. - perfluoro - .omega. - hydro, sodium salts 68526 - 97 - 6 1,4 - Benzenedicarboxylic acid, polymer with N,N - bis(2 - hydroxyethyl) - 4 - [(nonadecafluorodecyl)oxy]benzenesulfonamide didehydro deriv., 1,2 - ethanediol, .alpha. - hydro - .omega. - hydroxypoly(oxy - 1,2 - ethanediyl) and 1,1' - methylenebis[4 - isocyanatobenzene] 68735 - 91 - 1 2 - Propenoic acid, 2 - [methyl[(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,15 - nonacosafluoropentadecyl)sulfonyl]amino]ethyl ester 68758 - 55 - 4 2 - Propenoic acid, 2 - [methyl[(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14, 15,15,16,16,17,17,17 - tritriacontafluoroheptadecyl)sulfonyl]amino]ethyl ester 68758 - 56 - 5 1 - Tetradecanesulfonyl chloride, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14 - pentacosafluoro - 68758 - 57 - 6

### 6 2 - Propenoic acid, 2 - methyl - , 2 - [methyl[(.gamma. - .omega. - perfluoro - C8 - 14 - alkyl)sulfonyl]amino]ethyl esters, reaction products with polyethylene glycol bis(2 - mercaptoacetate) 68784 - 73 - 6 1,2,4,5 - Benzenetetracarboxylic acid, mixed 3 - chloro - 2 - hydroxypropyl and .gamma. - .omega. - perfluoro - C8 - 14 - alkyl esters 68954 - 01 - 8 1,4 - Butanediol, 2,3 - bis[(.gamma. - .omega. - perfluoro - C4 - 18 - alkyl)thio] derivs., polymers with 1,6 - diisocyanato 2,2,4(or 2,4,4) - trimethylhexane and polyethylene - polypropylene glycol bis(2 - aminomethylethyl) ether 68988 - 25 - 0 2 - Propenoic acid, 2 - methyl - , C4 - 8 - alkyl esters, polymers with 2 - [methyl[(.gamma. - .omega. - perfluoro - C8 - 14 - alkyl)sulfonyl]amino]ethyl acrylate 68988 - 52 - 3 2 - Propenoic acid, 2 - methyl - , C4 - 18 - alkyl esters, polymers with 2 - [methyl[(.gamma. - .omega. - perfluoro - C8 - 14 - alkyl)sulfonyl]amino]ethyl acrylate 68988 - 53 - 4 2 - Propenoic acid, 2 - methyl - , C7 - 8 - alkyl esters, polymers with 2 - [methyl[(.gamma. - .omega. - perfluoro - C8 - 14 - alkyl)sulfonyl]amino]ethyl acrylate 68988 - 54 - 5 2 - Propenoic acid, 2 - methyl - , C7 - 18 - alkyl esters, pol ymers with 2 - [methyl[(.gamma. - .omega. - perfluoro - C8 - 14 - alkyl)sulfonyl]amino]ethyl acrylate 68988 - 55 - 6 Fatty acids, C18 - unsatd., dimers, diisocyanates, polymers with 2,3 - bis(.gamma. - .omega. - perfluoro - C4 - 18 - alkyl) - 1,4 - butanediol, 1,6 - diisocyanato - 2,2,4(or 2,4,4) - trimethylhexane and 2,2' - (methylimino)bis[ethanol] 68990 - 40 - 9 Propanoic acid, 3 - [1 - [difluoro[1,2,2,2 - tetrafluoro - 1 - (fluorocarbonyl)ethoxy]methyl] - 1,2,2,2 - tetrafluoroethoxy] - 2,2,3,3 - tetrafluoro - , methyl ester 69116 - 73 - 0 Fatty acids, C7 - 13, perfluor o, compds. with ethylamine 69278 - 80 - 4 Poly(difluoromethylene), .alpha. - [2 - [(2 - carboxyethyl)thio]ethyl] - .omega. - fluoro - , reaction products with chromium chloride hydroxide (CrCl2(OH)) (1:2) 70892 - 42 - 1 Thiols, C8 - 20, .gamma. - .omega. - perfluoro, telomers with acrylamide 70969 - 47 - 0 Poly(oxy - 1,2 - ethanediyl), .alpha. - methyl - .omega. - hydroxy - , 2 - hydroxy - 3 - [(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl)thio]propyl ethers 70983 - 59 - 4 1 - Propanaminium, 2 - hydroxy - N,N,N - trimethyl - , 3 - [(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl )thio] derivs., chlorides 70983 - 60 - 7 1 - Propanol, 2,3 - bis[(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl)thio] derivs. 70983 - 61 - 8 Alcohols, C3 - 11, .beta. - .omega. - perfluoro - .omega. - hydro 70983 - 62 - 9 Poly(difluoromethylene), .alpha. - [3 - (dimethylamino) - 2 - hydroxypropyl] - .omega. - fluoro - 71002 - 40 - 9 1,4 - Butanediol, polymers with 2,3 - bis[(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl)thio] - 1,4 - butanediol, C36 - alkylene diisocyanate and 1,6 - diisocyanato - 2,2,4(or 2,4,4) - trimethylhexane 71205 - 28 - 2 Poly(difluoromethylene), .alpha.,.alpha.',.alpha.'' - [1,2,4 - benzenetriyltris[carbonyloxy(2 - iodo - 3,1 - propanediyl)]]tris[.omega. - fluoro 71230 - 79 - 0 Poly(difluoromethylene), .alpha.,.alpha.',.alpha.'' - [1,2,4 - benzenetriyltris[carbonyloxy[2 - (chlorom ethyl) - 2,1 - ethanediyl]]]tris[.omega. - fluoro 71230 - 80 - 3 Poly(difluoromethylene), .alpha.,.alpha.',.alpha.'' - [(2 - hydroxy - 1,2,3 - propanetriyl)tris[carbonyloxy[2 - (chloromethyl) - 2,1 - ethanediyl]]]tris[.omega. - fluoro 71278 - 43 - 8 Poly(difluoromethylene), .alpha.,.alpha.' - [1,2 - phenylenebis[carbonyloxy(2 - iodo - 3,1 - propanediyl)]]bis[.omega. - fluoro 71550 - 15 - 7 Poly(difluoromethylene), .alpha.,.alpha.',.alpha.'' - [(2 - hydroxy - 1,2,3 - propanetriyl)tris[carbonyloxy(2 - iodo - 3,1 - propanediyl)]]tris[.omega. - fluoro 71550 - 16 - 8 Poly(difluoromethylene), .alpha.,.alpha.' - [1,2 - phenylenebis[carbonyloxy[2 - (chloromethyl) - 2,1 - ethanediyl]]]bis[.omega. - fluoro 71550 - 17 - 9 Acetic acid, bis[(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio] derivs. 71608 - 37 - 2 Acetic acid, bis[(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio] derivs., compds. with diethanolamine 71608 - 38 - 3 Acetic acid, bis[(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio] derivs., Me esters 71608 - 39 - 4 Acetic acid, bis[(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio] der ivs., sodium salts 71608 - 40 - 7

### 7 Bicyclo[2.2.1]heptane - 2,3 - dicarboxylic acid, 5 - [(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio] derivs. 71608 - 43 - 0 Chromium, bis[(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio]acetate chloro hydroxy complexes 71608 - 44 - 1 Chromium, 4,4 - bis[(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio]pentanoate chloro hydroxy complexes 71608 - 45 - 2 Chromium, chloro hydroxy 5 - [(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio]bicyclo[2.2.1]heptane - 2,3 - dicarboxylate complexes 71608 - 46 - 3 4,7 - Methanoisobenzofuran - 1,3 - dione, hexahydro - , 5 - [(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio] derivs. 71608 - 58 - 7 Pentanoic acid, 4,4 - bis[(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio] derivs. 71608 - 60 - 1 Pentanoic acid, 4,4 - bis[(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio] derivs., compds. with diethanolamine 71608 - 61 - 2 Propanamide, N - (1,1 - dimethyl - 3 - oxobutyl) - , 3 - [(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl)thio] derivs. 71608 - 63 - 4 2 - Propenoic acid, 2 - [[(3,3,4,4,5,5,6,6,7,7, 8,8,9,9,10,10,11,11,12,12,12 - heneicosafluorododecyl)sulfonyl]methylamino]ethyl ester 72276 - 05 - 2 2 - Propenoic acid, 2 - (methylamino)ethyl ester, N - [(.gamma. - .omega. - perfluoro - C8 - 14 - alkyl)sulfonyl] derivs., reaction products with polyethylene glycol bis(thioglycolate) 72480 - 32 - 1 Acid chlorides, C8 - 14, .beta. - .omega. - perfluoro 72623 - 70 - 2 Fatty acids, C6 - 18, perfluoro, ammonium salts 72623 - 77 - 9 Carbamic acid, N - [4 - methyl - 3 - [[(2 - methyl - 1 - aziridinyl)carbonyl]amino]phenyl] - , 2 - [[.gamma. - .omega. - perfluor o - 11 - (trifluoromethyl)dodecyl]thio] - 1 - [[[.gamma. - .omega. - perfluoro - 11 - (trifluoromethyl)dodecyl]thio]methyl]ethyl ester 72779 - 04 - 5 Fatty acids, C7 - 13, perfluoro, ammonium salts 72968 - 38 - 8 Poly(difluoromethylene), .alpha. - hydro - .omega. - [(phosphonooxy)methyl] - 72987 - 44 - 1 Silane, trichloro(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl) - 78560 - 44 - 8 Poly(difluoromethylene), .alpha. - chloro - .omega. - (2,2 - dichloro - 1,1,2 - trifluoroethyl) - 79070 - 11 - 4 Alcohols, C 8 - 14, .gamma. - .omega. - perfluoro, reaction products with 5,5' - carbonylbis[1,3 - bisbenzofurandione] and epichlorohydrin 91745 - 16 - 3 Poly(oxy - 1,2 - ethanediyl), .alpha. - [2 - [(2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 - pentadecafluoro - 1 - oxooctyl)amino]ethyl] - .omega. - hydroxy 93480 - 00 - 3 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl] - , ammonium salt (1:?) 95144 - 12 - 0 Thiocyanic acid, .gamma. - .omega. - perfluoro - C4 - 20 - alkyl esters 97553 - 95 - 2 Alkenes, C8 - 14 .alpha. - , .delta. - .omega. - perfluoro 97659 - 47 - 7 Disulfides, bis(.gamma. - .omega. - perfluoro - C6 - 20 - alkyl) 118400 - 71 - 8 Poly(difluoromethylene), .alpha. - [2 - (acetyloxy) - 3 - [(carboxymethyl)dimethylammonio]propyl] - .omega. - fluoro - , inner salt 123171 - 68 - 6 Naphthalene, [difluoro(1,2,2,3,3,4,4,5,5,6,6 - undecafluoro cyclohexyl)methyl]heptadecafluorodecahydro - 125061 - 94 - 1 Hexane, 1,6 - diisocyanato - , homopolymer, .gamma. - .omega. - perfluoro - C6 - 20 - alc. - blocked 135228 - 60 - 3 2 - Propenoic acid, 2 - methyl - , octadecyl ester, polymer with .gamma. - .omega. - perfluorododecyl 2 - propenoate, .gamma. - .omega. - perfluorodecyl 2 - propenoate and .gamma. - .omega. - perfluorotetradecyl 2 - propenoate 142636 - 88 - 2 2 - Propenoic acid, .gamma. - .omega. - perfluorofluoroC10 - C14 ester, polymer with ., 2 - hydroxyethyl acrylate, and 2 - methyloxirane polym er with oxirane mono(methacrylate) 142636 - 90 - 6 2 - Propenoic acid, 2 - methyl - , phenylmethyl ester, polymer with 1,1 - dichloroethene, .gamma. - .omega. - perfluorododecyl 2 - propenoate, .gamma. - .omega. - perfluorodecyl2 - propenoate, 2 - hydroxyethyl 2 - propenoate and .gamma. - .omega. - perfluorotetradecyl 2 - propenoate 142636 - 91 - 7 Siloxanes and Silicones, (3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl)oxy Me, hydroxy Me, Me octyl, ethers with polyethylene glycol mono - Me ether 143372 - 54 - 7 1,3 - Propanediol, 2,2 - bis[[(.gamma. - .omega. - perfluoro - C4 - 10 - alkyl)thio]methyl] derivs., phosphates 148240 - 84 - 0 1,3 - Propanediol, 2,2 - bis[[(.gamma. - .omega. - perfluoro - C4 - 10 - alkyl)thio]methyl] derivs., phosphates, ammonium salts 148240 - 85 - 1

### 8 1,3 - Propanediol, 2,2 - bis[[(.gamma. - .omega. - perfluoro - C6 - 12 - alkyl)thio]methyl] derivs., phosphates 148240 - 86 - 2 1,3 - Propanediol, 2,2 - bis[[(.gamma. - .omega. - perfluoro - C6 - 12 - alkyl)thio]methyl] derivs., phosphates, ammonium salts 148240 - 87 - 3 1,3 - Propanediol, 2,2 - bis[[(.gamma. - .omega. - perfluoro - C10 - 20 - alkyl)thio]methyl] derivs., phosphates 148240 - 88 - 4 1,3 - Propanediol, 2,2 - bis[[(.gamma. - .omega. - perfluoro - C10 - 20 - alkyl)thio]methyl] derivs., phosphates, ammonium salts 148240 - 89 - 5 2 - Propenoic acid, 2 - methyl - , 2 - (dimethylamino)ethyl ester, polymers w ith Bu acrylate, .gamma. - .omega. - perfluoro C8 - 14 - alkyl acrylate and polyethylene glycol monomethacrylate, 2,2' - (1,2 - diazenediyl)bis[2,4 - dimethylpentanenitrile] - initiated 150135 - 57 - 2 Butane, 1 - ethoxy - 1,1,2,2,3,3,4,4,4 - nonafluoro - 163702 - 05 - 4 Siloxanes and Silicones, hydroxy Me, Me octyl, Me (.gamma. - .omega. - perfluoro C8 - 14 - alkyl)oxy, ethers with polyethylene glycol mono - Me ether 170424 - 64 - 3 2 - Propenoic acid, 2 - methyl - , 2 - (dimethylamino)ethyl ester, polymers with .delta. - .omega. - perfluoro - C10 - 16 - alkyl acry late and vinyl acetate 174125 - 96 - 3 Fatty acids, linseed - oil, .gamma. - .omega. - perfluoro - C8 - 14 - alkyl esters 178535 - 23 - 4 Sulfonic acids, C6 - 12 - alkane, .gamma. - .omega. - perfluoro, ammonium salts 180582 - 79 - 0 Ethaneperoxoic acid, reaction products with 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl thiocyanate and 3,3,4,4,5,5,6,6,7,7,8,8,8 - tridecafluorooctyl thiocyanate 182176 - 52 - 9 Oxirane, 2 - methyl - , polymer with oxirane, mono[2 - hydroxy - 3 - [(.gamma. - .omega. - perfluoro - C8 - 20 - alkyl)thio]propyl] ethers 183146 - 60 - 3 2 - Propenoic acid, 2 - methyl - , 2 - (dimethylamino)ethyl ester, polymers with .gamma. - .omega. - perfluoro - C10 - 16 - alkyl acrylate and vinyl acetate 186397 - 57 - 9 2 - Propenoic acid, 2 - methyl - , methyl ester, polymer with 3,3,4,4,5,5,6,6,7,7,8,8,9,9, 10,10,10 - heptadecafluorodecyl 2 - propenoate, peroxidized adipoyl chloride - triethylene glycol polymer - initiated 193635 - 71 - 1 2 - Propenoic acid, 2 - methyl - , 2 - (dimethylamino)ethyl ester, polymers with .gamma. - .omega. - perfluoro - C10 - 16 - alkyl acrylate and vinyl acetate, acetates 196316 - 34 - 4 2 - Propenoic acid, 2 - methyl - , polymer with butyl 2 - methyl - 2 - propenoate, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10 - heptadecafluorodecyl 2 - propenoate, 2 - hydroxyethyl 2 - methyl - 2 - propenoate and methyl 2 - methyl - 2 - propenoate 200513 - 42 - 4 Amines, C12 - 14 - tert - alkyl, compds. with .gamma. - .omega. - perfluoro - C6 - 12 - alkyl dihydrogen phosphate (1:1) 206009 - 80 - 5 Amines, C12 - 14 - tert - alkyl, compds. with bis(.gamma. - .omega. - perfluoro - C6 - 12 - alkyl) hydrogen phosphate (1:1) 206009 - 81 - 6 Alkenes, C8 - 14 .alpha., .gamma. - .omega. - perfluoro 210432 - 72 - 7 Propanedioic acid, mono(.gamma. - .omega. - perfluoro - C8 - 12 - alkyl) derivs., bis[4 - (ethenyloxy)butyl] esters 238420 - 80 - 9 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl] - , sodium salt (1:2) 245331 - 02 - 6 Poly(difluoromethylene), .alpha.,.alpha.' - [phosphinicobis(oxy - 2,1 - ethanediyl)]bis[.omega. - fluoro - , sodium salt (1:1) 245331 - 40 - 2 Poly(difluoromethylene), .alpha. - fluoro - .omega. - [2 - (phosphonooxy)ethyl] - , sodium salt (1:1) 245331 - 49 - 1 Thiols, C4 - 20, .gamma. - .omega. - perfluoro, telomers with acrylamide and acrylic acid, sodium salts 1078712 - 88 - 5 1 - Propanaminium, 3 - amino - N - (carboxymethyl) - N,N - dimethyl - , N - [2 - [(.gamma. - .omega. - perfluoro - C4 - 20 - alkyl)thio]acetyl] derivs., inner salts 1078715 - 61 - 3