Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 218 - ORGANIC MATERIAL EMISSION STANDARDS AND LIMITATIONS FOR THE CHICAGO AREA › Subpart UU - RECORDKEEPING AND REPORTING › Appendix A - List of Chemicals Defining Synthetic Organic Chemical and Polymer Manufacturing

Current through Register Vol. 48, No. 28, July 12, 2024
CAS
							 No.a
Chemical
105-57-7
Acetal
75-07-0
Acetaldehyde
107-89-1
Acetaldol
60-35-5
Acetamide
103-84-4
Acetanilide
64-19-7
Acetic acid
108-24-7
Acetic anhydride
67-64-1
Acetone
75-86-5
Acetone cyanohydrin
75-05-8
Acetonitrile
98-86-2
Acetophenone
75-36-5
Acetyl chloride
74-86-2
Acetylene
107-02-8
Acrolein
79-06-1
Acrylamide
79-10-7
Acrylic acid & esters
107-13-1
Acrylonitrile
124-04-9
Adipic acid
111-69-3(b)
Adiponitrile
Alkyl naphthalenes
107-18-6
Allyl alcohol
107-05-1
Allyl chloride
1321-11-5
Aminobenzoic acid
111-41-1
Aminoethylethanolamine
123-30-8
p-aminophenol
628-63-7, 123-92-2
Amyl acetates
71-41-0c
Amyl alcohols
110-58-7
Amyl amine
543-59-9
Amyl chloride
110-68-7 
							 c
Amyl mercaptans
1322-06-1
Amyl phenol
62-53-3
Aniline
142-04-1
Aniline hydrochloride
29191-52-4
Anisidine
100-66-3
Anisole
118-92-3
Anthranilic acid
84-65-1
Anthraquinone
100-52-7
Benzaldehyde
55-21-0
Benzamide
71-43-2
Benzene
98-48-6
Benzenedisulfonic acid
CAS
							 No.a
Chemical
98-11-3
Benzenesulfonic acid
134-81-6
Benzil
76-93-7
Benzilic acid
65-85-0
Benzoic acid
119-53-9
Benzoin
100-47-0
Benzonitrile
119-61-9
Benzophenone
98-07-7
Benzotrichloride
98-88-4
Benzyl chloride
100-51-6
Benzyl alcohol
100-46-9
Benzylamine
120-51-4
Benzyl benzoate
100-44-7
Benzyl chloride
98-87-3
Benzyl dichloride
92-52-4
Biphenyl
80-05-7
Bisphenol A
10-86-1
Bromobenzene
27497-51-4
Bromonaphthalene
106-99-0
Butadiene
106-98-9
l-butene
123-86-4
n-butyl acetate
141-32-2
n-butyl acrylate
71-36-3
n-butyl alcohol
78-92-2
s-butyl alcohol
75-65-0
t-butyl alcohol
109-73-9
n-butylamine
13952-84-6
s-butylamine
75-64-9
t-butylamine
98-73-7
p-tert-butyl benzoic acid
107-88-0
1,3-butylene glycol
123-72-8
n-butyraldehyde
107-92-6
Butyric acid
106-31-0
Butyric anhydride
109-74-0
Butyronitrile
105-60-2
Caprolactam
75-1-50
Carbon disulfide
558-13-4
Carbon tetrabromide
55-23-5
Carbon tetrachloride
9004-35-7
Cellulose acetate
79-11-8
Chloroacetic acid
108-42-9
m-chloroaniline
95-51-2
o-chloroaniline
106-47-8
p-chloroaniline
35913-09-8
Chlorobenzaldehyde
CAS
							 No.a
Chemical
108-90-7
Chlorobenzene
118-91-2, 535-80-8, 74-11-3 
							 c
Chlorobenzoic acid
2136-81-4, 2136-89-2, 5216-25-1 
							 c
Chlorobenzotrichloride
1321-03-5
Chlorobenzoyl chloride
75-45-6
Chlorodifluoroethane
25497-29-4
Chlorodifluoromethane
67-66-3
Chloroform
25586-43-0
Chloronaphthalene
88-73-3
o-chloronitrobenzene
100-00-5
p-chloronitrobenzene
25167-80-0
Chlorophenols
126-99-8
Chloroprene
7790-94-5
Chlorosulfonic acid
108-41-8
m-chlorotoluene
95-49-8
o-chlorotoluene
106-43-4
p-chlorotoluene
75-72-9
Chlorotrifluoromethane
108-39-4
m-cresol
95-48-7
o-cresol
106-44-5
p-cresol
1319-77-3
Mixed cresols
1319-77-3
Cresylic acid
4170-30-0
Crotonaldehyde
3724-65-0
Crontonic acid
98-82-8
Cumene
80-15-9
Cumene hydroperoxide
372-09-8
Cyanoacetic acid
506-77-4
Cyanogen chloride
108-80-5
Cyanuric acid
108-77-0
Cyanuric chloride
110-82-7
Cyclohexane
108-93-0
Cyclohexanol
108-94-1
Cyclohexanone
110-83-8
Cyclohexene
108-91-8
Cyclohexylamine
111-78-4
Cyclooctadiene
112-30-1
Decanol
123-42-2
Diacetone alcohol
27576-04-1
Diaminobenzoic acid
95-76-1, 95-82-9, 554-00-7, 608-27-5,
608-31-1, 626-43-7, 27134-27-6,
							 57311-92-9c
Dichloraniline
541-73-1
m-dichlorobenzene
95-50-1
o-dichlorobenzene
106-46-7
p-dichlorobenzene
75-71-8
Dichlorodifluoromethane
CAS
							 No.a
Chemical
111-44-4
Dichloroethyl ether
107-06-2
1,2-dichloroethane (EDC)
96-23-1
Dichlorohydrin
26952-23-8
Dichloropropene
101-83-7
Dicyclohexylamine
109-89-7
Diethylamine
111-46-6
Diethylene glycol
112-36-7
Diethylene glycol diethyl ether
111-96-6
Diethylene glycol dimethyl ether
112-34-5
Diethylene glycol monobutyl ether
124-17-7
Diethylene glycol mononbutyl ether acetate
111-90-0
Diethylene glycol monoethyl ether
112-15-2
Diethylene glycol monoethyl ether acetate
111-77-3
Diethylene glycol monomethyl ether
64-67-5
Diethyl sulfate
75-37-6
Difluoroethane
25167-70-8
Diisobutylene
26761-40-0
Diisodecyl phthalate
27554-26-3
Diisooctyl phthalate
674-82-8
Diketene
124-40-3
Dimethylamine
121-69-7
N,N-dimethylaniline
115-10-6
N,N-dimethyl ether
68-12-2
N,N-dimethylformamide
57-14-7
Dimethylhydrazine
77-78-1
Dimethyl sulfate
75-18-3
Dimethyl sulfide
67-68-5
Dimethyl sulfoxide
120-61-6
Dimethyl terephthalate
99-34-3
3,5-dinitrobenzoic acid
51-28-5
Dinitrophenol
Dinitrotoluene
123-91-1
Dioxane
646-06-0
Dioxilane
122-39-4
Diphenylamine
101-84-4
Diphenyl oxide
102-08-9
Diphenyl thiourea
25265-71-8
Dipropylene glycol
25378-22-7
Dodecene
28675-17-4
Dodecylaniline
27193-86-8
Dodecyphenol
106-89-8
Epichlorohydrin
64-17-5
Ethanol
141-43-5c
Ethanolamines
141-78-6
Ethyl acetate
CAS
							 No.a
Chemical
141-97-9
Ethyl acetoacetate
140-88-5
Ethyl acrylate
75-04-7
Ethylamine
100-41-4
Ethylbenzene
74-96-4
Ethyl bromide
9004-57-3
Ethylcellulose
75-00-3
Ethyl chloride
105-39-5
Ethyl chloroacetate
105-56-6
Ethylcyanoacetate
74-85-1
Ethylene
96-49-1
Ethylene carbonate
107-07-3
Ethylene chlorohydrin
107-15-3
Ethylenediamine
106-93-4
Ethylene dibromide
107-21-1
Ethylene glycol
111-55-7
Ethylene glycol diacetate
110-71-4
Ethylene glycol dimethyl ether
111-76-2
Ethylene glycol monobutyl ether
112-07-2
Ethylene glycol monobutyl ether acetate
110-80-5
Ethylene glycol monoethyl ether
111-15-9
Ethylene glycol monoethyl ether acetate
109-86-4
Ethylene glycol monoethyl ether
110-49-6
Ethylene glycol monomethyl ether acetate
122-99-6
Ethylene glycol monophenyl ether
2807-30-9
Ethylene glycol monopropyl ether
75-21-8
Ethylene oxide
60-29-7
Ethyl ether
104-76-7
2-ethylhexanol
122-51-0
Ethyl orthoformate
95-92-1
Ethyl oxalate
41892-71-1
Ethyl sodium oxaloacetate
50-00-0
Formaldehyde
75-12-7
Formamide
64-18-6
Formic acid
110-17-8
Fumaric acid
98-01-1
Furfural
56-81-5
Glycerol (Synthetic)
26545-73-7
Glycerol dichlorohydrin
25791-96-2
Glycerol triether
56-40-6
Glycine
107-22-2
Glyoxal
118-74-1
Hexachlorobenzene
67-72-1
Hexachloroethane
36653-82-4
Hexadecyl alcohol
124-09-4
Hexamethylenediamine
CAS
							 No.a
Chemical
629-11-8
Hexamethylene glycol
100-97-0
Hexamethylenetetramine
74-90-8
Hydrogen cyanide
123-31-9
Hydroquinone
99-96-7
p-hydroxybenzoic acid
26760-64-5
Isoamylene
78-83-1
Isobutanol
110-19-0
Isobutyl acetate
115-11-7
Isobutylene
78-84-2
Isobutyraldehyde
79-31-2
Isobutryric acid
25339-17-7
Isodecanol
26952-21-6
Isooctyl alcohol
78-78-4
Isopentane
78-59-1
Isophorone
121-91-5
Isophthalic acid
78-79-5
Isoprene
67-63-0
Isopropanol
108-21-4
Isopropyl acetate
75-31-0
Isopropylamine
75-29-6
Isopropyl chloride
25168-06-3
Isopropylphenol
463-51-4
Ketene
(b)
Linear alkyl sulfonate*
123-01-3
Linear alkylbenzene
110-16-7
Maleic acid
108-31-6
Maleic anhydride
6915-15-7
Malic acid
141-79-7
Mesityl oxide
121-47-1
Metanilic acid
79-41-4
Methacrylic acid
563-47-3
Methallyl chloride
67-56-1
Methanol
79-20-9
Methyl acetate
105-45-3
Methyl acetoacetate
74-89-5
Methylamine
100-61-8
n-methylaniline
74-83-9
Methyl bromide
37365-71-2
Methyl butynol
74-87-3
Methyl chloride
108-87-2
Methyl cyclohexane
1331-22-2
Methyl cyclohexanone
75-09-2
Methylene chloride
101-77-9
Methylene dianiline
101-68-8
Methylene diphenyl diisocyanate
CAS
							 No.a
Chemical
78-93-3
Methyl ethyl ketone
107-31-3
Methyl formate
108-11-2
Methyl isobutyl carbinol
108-10-1
Methyl isobutyl ketone
80-62-6
Methyl methacrylate
77-75-8
Methylpentynol
98-83-9
B-methylstyrene
110-91-8
Morpholine
85-47-2
a-naphthalene sulfonic acid
120-18-3
B-naphthalene sulfonic acid
90-15-3
a-naphthol
135-19-3
B-naphthol
75-98-9
Neopentanoic acid
88-74-4
o-nitroaniline
100-01-6
p-nitroaniline
91-23-6
o-nitroanisole
100-17-4
p-nitroanisole
98-95-3
Nitrobenzene
27178-83-2 
							 c
Nitrobenzoic acid (o, m & p)
79-24-3
Nitroethane
75-52-5
Nitromethane
88-75-5
Nitrophenol
25322-01-4
Nitropropane
1321-12-6
Nitrotoluene
27215-95-8
Nonene
25154-52-3
Nonylphenol
27193-28-8
Octylphenol
123-63-7
Paraldehyde
115-77-5
Pentaerythritol
109-66-0
n-pentane
109-67-1
l-pentene
127-18-4
Perchloroethylene
594-42-3
Perchloromethyl mercaptan
94-70-2
o-phenetidine
156-43-4
p-phenetidine
108-95-2
Phenol
98-67-9, 585-38-6, 609-46-1, 133-39-7 
							 c
Phenosulfonic acids
91-40-7
Phenyl anthranilic acid
(b)
Phenylenediamine
75-44-5
Phosgene
85-44-9
Phthalic anhydride
85-41-6
Phthalimide
108-99-6
b-picoline
110-85-0
Piperazine
9003-29-6, 25036-29-7 
							 c
Polybutenes
CAS
							 No.a
Chemical
25322-68-3
Polyethylene glycol
25322-69-4
Polypropylene glycol
123-38-6
Propionaldehyde
79-09-4
Propionic acid
71-23-8
n-propyl alcohol
107-10-8
Propylamine
540-54-5
Propyl chloride
115-07-1
Propylene
127-00-4
Propylene chlorohydrin
78-87-5
Propylene dichloride
57-55-6
Propylene glycol
75-56-9
Propylene oxide
110-86-1
Pyridine
106-51-4
Quinone
108-46-3
Resorcinol
27138-57-4
Resorcylic acid
69-72-7
Salicylic acid
127-09-3
Sodium acetate
532-32-1
Sodium benzoate
9004-32-4
Sodium carboxymethyl cellulose
3926-62-3
Sodium chloroacetate
141-53-7
Sodium formate
139-02-6
Sodium phenate
110-44-1
Sorbic acid
100-42-5
Styrene
110-15-6
Succinic acid
110-61-2
Succinitrile
121-57-3
Sulfanilic acid
126-33-0
Sulfolane
1401-55-4
Tannic acid
100-21-0
Terephthalic acid
79-34-5 
							 c
Tetrachloroethanes
117-08-8
Tetrachlorophthalic anhydride
78-00-2
Tetraethyllead
119-64-2
Tetrahydronaphthalene
85-43-8
Tetrahydrophthalic anhydride
75-74-1
Tetramethyllead
110-60-1
Tetramethylenediamine
110-18-9
Tetramethylethylenediamine
108-88-3
Toluene
95-80-7
Toluene-2,4-diamine
584-84-9
Toluene-2,4-diisocyanate
26471-62-5
Toluene diisocyanates (mixture)
1333-07-9
Toluene sulfonamide
104-15-4 
							 c
Toluenesulfonic acids
CAS
							 No.a
Chemical
98-59-9
Toluene sulfonyl chloride
26915-12-8
Toluidines
87-61-6, 108-70-3, 120-82-1 
							 c
Trichlorobenzenes
71-55-6
1,1,1-trichloroethane
79-00-5
1,1,2-trichloroethane
79-01-6
Trichloroethylene
75-69-4
Trichlorofluoromethane
96-18-4
1,2,3-trichloropropane
76-13-1
1,1,2-trichloro-1,2,2-trifluoroethane
121-44-8
Triethylamine
112-27-6
Triethylene glycol
112-49-2
Triethylene glycoldimethyl ether
7756-94-7
Triisobutylene
75-50-3
Trimethylamine
57-13-6
Urea
108-05-4
Vinyl acetate
75-01-4
Vinyl chloride
75-35-4
Vinylidene chloride
25013-15-4
Vinyl toluene
1330-20-7
Xylenes (mixed)
95-47-6
o-xylene
106-42-3
p-xylene
1300-71-6
Xylenol
1300-73-8
Xylidine
(b)
methyl tert-butyl ether
9002-88-4
Polyethylene
(b)
Polypropylene
9009-53-6
Polystyrene
a) CAS numbers refer to the Chemical Abstracts
				  Registry numbers assigned to specific chemicals, isomers or mixtures of
				  chemicals. Some isomers or mixtures that are covered by the standards do no
				  have CAS numbers assigned to them. The standards apply to all of the chemicals
				  listed, whether CAS numbers have been assigned or not.
b) No CAS number(s) have been assigned to this
				  chemical, to its isomers, or mixtures containing these chemicals.
c) CAS numbers for some of the isomers are listed;
				  the standards apply to all of the isomers and mixtures, even if CAS numbers
				  have not been assigned.