The regulatory requirements for the use of limited dosage of hair dyes in the standards  for cosmetics 
containing medical, poisonous or potent drugs  
No. Chemical name  INCI name  CAS No.  Maximum concentration  
restriction / warning statement  Oxidative hair dye 
products  Non-oxidative hair dye 
products  
1 p-Phenylenediamine and its salts  p-Phenylenediamine/  
p-Phenylenediamine HCl/  
p-Phenylenediamine sulfate  106-50-3/ 
624-18-0/ 
16245 -77-5 2% 
(calculated as  free base)    
2 1,4-Benzenediamine,  2-methyl -/ 
2,5-Diaminotoluene sulphate  Toluene 2,5 -diamine/ 
Toluene -2,5-diamine sulfate  95-70-5/ 
615-50-9 2% 
(calculated as  free base)  
3.6%  
(calculated as  sulfate 
salt)   
3 5-Amino -o-cresol  4-Amino -2-hydroxytoluene  2835 -95-2 1.5%    
4 m-Aminophenol and its salts  m-Aminophenol/  
m-Aminophenol HCl/  
m-Aminophenol sulfate  591-27-5/ 
51-81-0/ 
68239 -81-6/ 
38171 -54-9 1.2%    
5 4-Aminophenol  p-Aminophenol  123-30-8 0.9%    
6 1,4-Diaminoanthraquinone  Disperse Violet 1  128-95-0   0.5%   
7 2,4-Diaminophenoxyethanol, its hydrochloride 
and its sulphate  2,4-Diaminophenoxyethanol HCl/  
2,4-Diaminophenoxyethanol sulfate  70643 -19-5/ 
66422 -95-5/ 
70643 -20-8 2% 
(calculated as  
hydrochloride)    
8 Naphthalene -1,5-diol 1,5-Naphthalenediol  83-56-7 1% 1%  
9 Pyridine -2,6-diyldiamine  2,6-Diaminopyridine  141-86-6 0.15%    
10 5-[(2-Hydroxyethyl)amino] -o-cresol  2-Methyl -5-hydroxyethylaminophenol  55302 -96-0 1.5%   Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
11 p-Methylaminophenol and its sulphate  p-Methylaminophenol / 
p-Methylaminophenol sulfate  150-75-4/ 
55-55-0/ 
1936 -57-8  0.68%  
(calculated as  sulfate)   Do not use with nitrosating  agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
12 4-Nitro -1,2-phenylenediamine  4-Nitro -o-phenylenediamine  99-56-9 0.5%    No. Chemical name  INCI name  CAS No.  Maximum concentration  
restriction / warning statement  Oxidative hair dye 
products  Non-oxidative hair dye 
products  
13 N-(4-aminophenyl)aniline  N-Phenyl -p-phenylenediamine  101-54-2 3%   
14 N-Phenyl -p-phenylenediamine acetate   - - 3%   
15 N-phenylbenzene -p-diamine monohydrochloride  
(CI 76085)   N-phenyl -p-phenylenediamine HCl  2198 -59-6/ 
56426 -15-4 3%   
16 2-Amino -4,6-dinitrophenol  and 
2-Amino -4,6- dinitrophenol, sodium salt  Picramic acid and sodium picramate  96-91-3/ 
831-52-7 0.6%  0.6%   
17 2-Amino -6-chloro -4-nitrophenol  2-Amino -6-chloro -4-nitrophenol  6358 -09-4 2% 2%  
18 4-Amino -m-cresol  4-Amino -m-cresol  2835 -99-6 1.5%    
19 3-Amino -2,4-dichlorophenol and its  hydro - 
chloride 3-Amino -2,4-dichlorophenol/  
3-Amino -2,4-dichlorophenol HCl  61693 -42-3/ 
61693 -43-4 1.5%  
(calculated as  
hydrochloride)  1.5%  
(calculated as  
hydrochloride)   
20 2-[(3-Amino -4-methoxyphenyl)amino] ethanol 
and its sulphate  2-Amino-4-hydroxyethylaminoanisole/  
2-Amino -4-hydroxyethylaminoanisole sulfate  83763 -47-7/ 
83763 -48-8 1.5%  
(calculated as  sulfate)   Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
21 4-Amino -3-nitrophenol  4-Amino -3-nitrophenol  610-81-1 1.5%  1%  
22 4,4'-[1,3-Propa nediylbis(oxy)]bisbenzene -1,3- 
diamine and its  tetrahydrochloride salt  1,3-bis-(2,4-Diaminophenoxy)propane/  
1,3-bis-(2,4-Diaminophenoxy)propane HCl  81892 -72-0/ 
74918 -21-1 1.2%  
(calculated as  free base) 
1.8%  
(calculated as  
tetrahydrochloride  salt) 1.2%  
(calculated as  free 
base) 
1.8%  
(calculated as  
tetrahydrochloride  
salt)  
23 2,2'-[(4-Aminophenyl)imino]bis(ethanol) 
sulphate  N,N- bis(2 -Hydroxyethyl) -p-phenylenediamine 
sulfate  54381 -16-7 2.5%  
(calculated as  sulfate)   Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
24 Phenol,  2-Chloro -6-(ethylamino) -4-nitro - 2-Chloro -6-ethylamino -4-nitrophenol  131657 -78-8 1.5%  3% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
25 1,3-Benzenediol,4 -Chlororesorcinol (CI 76510)  4-Chlororesorcinol  95-88-5 2.5%     
26 6-Hydroxy -3,4-dimethyl -2-pyridone  2,6-Dihydroxy -3,4-dimethylpyridine  84540 -47-6 1%   No. Chemical name  INCI name  CAS No.  Maximum concentration  
restriction / warning statement  Oxidative hair dye 
products  Non-oxidative hair dye 
products  
27 2,6-Dimethoxy -3,5-pyridinediamine and its 
hydrochloride  2,6-Dimethoxy -3,5-pyridinediamine/  
2,6-Dimethoxy -3,5-pyridinediamine HCl  56216 -28-5/ 
85679 -78-3 0.25%  
(calculated as  
hydrochloride)    
28 Ethanol, 
2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bis - Disperse Black 9  20721 -50-0   0.3%  The mixture in the  ratio 1:1 of 
2,2’-[4-(4-aminophenylazo)phenylimi
no]diethanol  and lignosulfate  
29 2,2'-[[4-[(2-Hydroxyethyl)amino] -3-nitrophenyl]  
imino]bisethanol  HC Blue No. 2  33229 -34-4  2.8%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
30 1-[(2'-Methoxyethyl)amino] -2-nitro -4-[di-(2'-hy-
droxyethyl)amino]benzene  HC Blue No. 11  23920 -15-2  2% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
31 1-(beta -Hydroxyethyl)amino -2-nitro -4-N-ethyl -N
-(beta -hydroxyethyl)aminobenzene and its  hydro  
cloride  HC Blue No. 12  104516 -93-0/
132885 -85-9 0.75%  
(calculated as  
hydrochloride)  1.5%  
(calculated as  
hydrochloride)  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
32 4-[(2-Nitrophenyl)amino]phenol  HC Orange No. 1 54381 -08-7  1%  
33 1-(beta -Aminoethyl)amino -4-(beta -hydroxy -
ethyl)oxy -2-nitrobenzene and its salts  HC Orange No. 2  85765 -48-6  1% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
34 2-Nitro -N1-phenyl -benzene- 1,4-diamine  HC Red No. 1  2784 -89-6  1%  
35 1-Amino -2-nitro -4-(2’,3’ -dihydroxypropyl)  
amino-5-chloro -benzene+  
1,4-bis-(2’,3’- dihydroxypropyl)amino -2-nitro -5- 
chlorobenzene  HC Red No. 11+  
HC Red No. 10 95576 -92-4+ 
95576 -89-9 1% 2% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
36 2,2'-[(4-Amino -3-nitrophenyl)imino]bisethanol 
hydrochloride and its salts  HC Red No. 13 29705 -39-3/ 
94158 -13-1 1.25%  
(calculated as  
hydroc hloride)  2.5%  
(calculated as  
hydroc hloride)   
37 Ethanol,  
2-[(4-amino -2-methyl -5-nitrophenyl)amino] - and 
its salts  HC Violet No. 1  82576 -75-8 0.25%  0.28%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  No. Chemical name  INCI name  CAS No.  Maximum concentration  
restriction / warning statement  Oxidative hair dye 
products  Non-oxidative hair dye 
products  
38 1-Propanol,  
3-[[4-[bis(2 -hydroxyethyl)amino] -2-nitrophenyl]
amino]  HC Violet No. 2  104226 -19-9  2% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
39 2-[(2-Nitrophenyl)amino]ethanol  HC Yellow No. 2  4926 -55-0 0.75%  1% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
40 2-[bis(2-Hydroxyethyl)amino] -5-nitrophenol  HC Yellow No. 4  59820 -43-8  1.5%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
41 1,5-Di-(beta -hydroxyethylamino) -2-nitro -4- 
chloro benzene  HC Yellow No. 10  109023 -83-8  0.1%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
42 3,4-Dihydro -2H-1,4-benzoxazin -6-ol Hydroxybenzomorpholine  26021 -57-8 1%  Do not use with nitrosating  agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
43 2-(4-Methyl -2-nitroanilino)ethanol  Hydroxyethyl -2-nitro -p-toluidine  100418 -33-5 1% 1% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
44 2-(1,3-benzodioxol -5-ylamino)ethanol  
hydrochloride  Hydroxyethyl -3,4-methylenedioxyaniline HCl  94158 -14-2 1.5%   Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep  in nitrite -free containers  
45 Hydroxypropyl bis(N -hydroxyethyl -p- 
phenylenediamine)and its tetrahydrochloride  Hydroxypropyl bis(N -hydroxyethyl -p-phenylene -
diamine) HCl  128729 -30-6/ 
128729 -28-2 0.4%  
(calculated as  
tetrahydrochloride)    
46 2-[(2-methoxy -4-nitrophenyl)amino]ethanol and 
its salts  2-Hydroxyethylamino -5-nitroanisole  66095 -81-6   0.2%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
47 1-Hydroxy -2-beta-hydroxye thylamino -4,6- 
dinitro benzene 2-Hydroxyethyl picramic acid  99610 -72-7 1.5%  2% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  No. Chemical name  INCI name  CAS No.  Maximum concentration  
restriction / warning statement  Oxidative hair dye 
products  Non-oxidative hair dye 
products  
48 1-Hydroxy -3-nitro -4-(3-hydroxypropylamino)  
benzene 4-Hydroxypropylamino -3-nitrophenol  92952 -81-3 2.6%  2.6%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
49 1,3-Benzenediol,  2-methyl  2-Methylresorcinol  608-25-3 1.8%  1.8%   
50 2-[3-(Methylamino) -4-nitrophenoxy]ethanol  3-Methylamino -4-nitrophenoxyethanol                        59820 -63-2   0.15%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
51 Naphthalene -2,7-diol 2,7-Naphthalenediol  582-17-2 1% 1%  
52 1-Naphthalenol  1-Naphthol  90-15-3 2%    
53 4-[(2-Hydroxyethyl)amino] -3-nitrophenol  3-Nitro -p-hydroxyethylaminophenol  65235 -31-6 3% 1.85%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
54 1-(.beta.- Ureidoethyl)amino -4-nitrobenzene  4-Nitrophenyl  aminoethylurea  27080 -42-8 0.25%  0.5%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
55 3-Methyl -1-phenyl -5-pyrazolone  Phenyl methyl pyrazolone  89-25-8 0.25%     
56 1,3-Benzenediol  Resorcinol  108-46-3 1.25%    
57 3-Amino -2-chloro -6-methylphenol/  
3-Amino -4-chloro -6-methylphenol HCl  5-Amino -6-chloro -o-cresol/  
5-Amino -6-chloro -o-cresol HCl  84540 -50-1/ 
80419 -48-3 1% 0.5%   
58 2- Aminopyridin -3-ol 2-Amino -3-hydroxypyridine  16867 -03-1 1%    
59 2-[(4-Aminophenyl)azo] -1,3-dimethyl -1H- 
imidaz olium chloride  Basic Orange 31  97404 -02-9 0.5%  1%  
60 2-[[4-(Dimethylamino )phenyl]azo] -1,3-dimethyl -
1H-imidazolium chloride  Basic Red 51  77061 -58-6 0.5%  1%  
61 [7-Hydroxy -8-[(2-methoxyphenyl)azo] -2- 
naph thyl]trimethylammonium chloride  Basic Red 76  68391 -30-0   2%  
62 Pyridinium,  1-methyl -4-[(methylphenyl - 
hydrazono )methyl] -,methyl sulfate  Basic Yellow 87  68259 -00-7 1% 1%  No. Chemical name  INCI name  CAS No.  Maximum concentration  
restriction / warning statement  Oxidative hair dye 
products  Non-oxidative hair dye 
products  
63 1-Methyl -2,6-bis(2 -hydroxyethylamino) -benzene  2,6-Dihydroxyethylaminotoluene  149330 -25-6 1%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
64 2-(4-Amino -2-nitroanilino)ethanol  HC Red No. 3  2871 -01-4 0.45%  3% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
65 3-(2-Hydroxyethyl) -p-phenylenediammonium  
sulphate  Hydroxyethyl -p-phenylenediamine sulfate  93841 -25-9 2% 
(calculated as  sulfate)    
66 6-Methoxy -N2-methyl -2,3-pyridinediamine 
hydrochloride and dihydrochloride salt  6-Methoxy -2-methylamino -3-aminopyridine HCl  90817 -34-8/ 
83732 -72-3 0.68%  
(calculated as  free base)  
1% 
(calculated as  
dihydrochlo ride)  0.68%  
(calculated as  free 
base) 
1% 
(calculated as  
dihydrochlo ride)  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
67 bis(N-phenylbenzene -p-diamine)sulphate  N-Phenyl -p-phenylenediamine sulfate  4698 -29-7 3%  
(calculated as  free base)     
68 Trisodium  5-hydroxy -1-(4-sulphophenyl) -4-(4- 
sulpho phenylazo)pyrazole -3-carboxylate  and 
alumin ium lake (CI19140)  Acid Yellow 23/  
Acid Yellow 23 Aluminum lake  1934 -21-0/ 
12225 -21-7   0.5%   
69 Benzenemethanaminium,  
N-ethyl -N-[4-[[4-[ethyl -[(3-sulfophenyl) - 
methyl] -amino] -phenyl](2 -sulfophenyl) methylen
e]-2,5-cyclohexadien -1-ylidene] -3-sulfo,  inner 
salts, disodium  salt and its  ammonium and  
aluminium salts (CI 42090)  Acid Blue 9/  
Acid Blue 9 Ammonium salt/  
Acid Blue 9 Aluminum lake  3844 -45-9/ 
2650 -18-2/ 
68921 -42-6   0.5%   
70 Disodium  
6-hydroxy -5-[(2-methoxy -4-sulphonato -m-tolyl)
azo]naphthalene -2-sulphonate  (CI 16035)  Curry Red  25956 -17-6   0.4%   
71 Trisodium  
1-(1-naphthylazo) -2-hydroxynaphthalene -4',6,8 - 
trisulphonate and aluminium lake (CI 16255)  Acid Red 18/  
Acid Red 18 Aluminum lake  2611 -82-7/ 
12227 -64-4   0.5%   
72 Hydrogen  
3,6-bis(diethylamino) -9-(2,4-disulphona -
tophenyl)xanthylium,  sodium salt  (CI 45100)  Acid Red 52 3520 -42-1 1.5%  0.6%   
73 Sodium 
1-amino -4-(cyclohexylamino) -9,10-dihydro -9,10
-dioxoanthracene -2-sulphonate (CI 62045)  Acid Blue 62  4368 -56-3   0.5%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  No. Chemical name  INCI name  CAS No.  Maximum concentration  
restriction / warning statement  Oxidative hair dye 
products  Non-oxidative hair dye 
products  
74 2,3-Dihydro -1H-indole -5,6-diol and its  hydro - 
bromide salt  Dihydroxyindoline/  
Dihydroxyindoline HBr  29539 -03-5/ 
138937 -28-7   2%  
75 Disodium 
5-amino -4-hydroxy -3-(phenylaz o)naphathlene -2,
7-disulphonate (CI 17200)  Acid Red 33 3567 -66-6   0.5%   
76 2,4,5,6 -Tetraaminopyrimidine sulphate  Tetraaminopyrimidine sulfate  5392 -28-9 3.4%  
(calculated as  sulfate)  3.4%  
(calculated as  sulfate)   
77 1H-Indole -5,6-diol Dihydroxyindole  3131 -52-0 0.5%  0.5%   
78 5-Amino -4-chloro -2-methylphenol hydrochlo ride 5-Amino -4-Chloro -o-Cresol HCl 110102 -85-7 1.5%  
(calculated as  
hydrochloride)     
79 1H-indole -2,3-dione Isatin  91-56-5  1.6%   
80 2-Methyl -1-naphthyl acetate  1-Acetoxy -2-methylnaphthalene  5697 -02-9 2%    
81 1-Hydroxy -2-methylnaphthalene  2-Methyl -1-naphthol  7469 -77-4 2%    
82 Disodium  5,7-dinitro -8-oxido- 2- naphthalene - 
sulfonate (CI 10316)  Acid Yellow 1  846-70-8 1% 0.2%   
83 1-Methoxy -3-(β-aminoethyl)amino -4-nitroben -
zene, hydrochloride  HC Yellow No. 9  86419 -69-4   0.5 
(calculated as 
hydrochloride)  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
84 1-(4’-Aminophenylazo) -2-methyl - 4-(bis-2-hy-
droxyethyl)  aminobenzene  HC Yellow No. 7  104226 -21-3   0.25%   
85 Benzenaminium,  3-[(4,5 -dihydro - 3-methyl -5- 
oxo-1-phenyl -1H- pyrazol -4-yl)azo] -N,N,Ntrime
thyl-, chloride  Basic Yellow 57  68391 -31-1   2%  
86 9,10-Anthracenedione,  1,4-bis[(2,3 -dihydroxy - 
propyl)  amino] - HC Blue No. 14  99788 -75-7   0.3%  Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
87 4,5-Diamino -1-(2-hydroxyethyl) -1H-pyrazole 
sulfate (1:1)  1-Hydroxyethyl -4,5-diamino pyrazole sulfate  155601 -30-2 3%    
88 Quinolinium,  4-formyl -1-methyl -, salt 
with 4 -methylbenzenesulfonic acid (1:1)  4-Formyl -1-methylquinolinium -p-toluenesul -
fonate  223398 -02-5 2.5%     
89 2,6-Pyridinediamine,  3-(3-pyridinylazo)  2,6-Diamino -3-((pyridine -3-yl)azo)pyridine  28365 -08-4 0.25%  0.25%   No. Chemical name  INCI name  CAS No.  Maximum concentration  
restriction / warning statement  Oxidative hair dye 
products  Non-oxidative hair dye 
products  
90 4-((4-Amino -3-methylphenyl)(4 -imino -3-methyl -
2,5-cyclohexadien -1-ylidene)methyl) -2-methy lph
enylamine monohydrochloride (CI 42520)  Basic Violet 2  3248 -91-7 1% 0.5%   
91 2,3-Diamino -6,7-dihydro -1H,5H -pyrazolo[1,2 -a] 
Pyrazol -1-one dimethanesulfonate  2,3-Diaminodihydropyrazolopyrazolone  
dimethosulfonate  857035 -95-1 2%    
92 1-Methylamino -2-nitro -5-(2,3-dihydroxy -propyl -
oxy)-benzene  2-Nitro -5-glycerylmethylaniline  80062 -31-3 0.8%  1% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
93 1-Propanaminium,  3-[[9,10 -dihydro -4-(methyla -
mino) -9,10-dioxo- 1-anthracenyl]amino] -N,N- di-
methyl -N-propyl -, bromide  HC Blue No. 16  502453 -61-4  3% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
94 Phenol,  2,2'- methylenebis [4-amino -], dihydro - 
chloride 2,2'- Methylenebis -4-aminophenol HCl  27311 -52-0/ 
63969 -46-0  1% 1%  
95 Fluorescein,  2',4',5',7' -tetrabromo -4,5,6,7 -tetra-
chloro -, disodium salt (CI 45410)  Acid Red 92 18472 -87-2 2% 0.4%   
96 Mixture of (1),  (2)&  (3) in disper sing agent 
(lignosulphate):  
(1)9,10 -Anthracenedione -1,4-bis[(2 -Hydroxy   
ethyl)amino]  
(2)9,10 -Anthracenedione -1-[(2-Hydroxyethyl)   
amino] -4-[(3-Hydroxypropyl)amino]  
(3)9,10 -anthracenedione -1,4-bis[(3 -hydroxyl pro- 
pyl)amino  Disperse Blue 377 is a mixture of three dy es: 
(1)1,4 -Bis[(2 -hydroxyethyl) amino]anthra -9,10- 
quinone/  
(2)1-[(2-hydroxyethyl)amino] -4-[(3-hydroxypro - 
pyl) amino]anthra -9,10-quinone/  
(3)1,4 -bis[(3 -hydroxypropyl)amino]anthra -9,10-   
quinone  4471 -41-4/ 
67674 -26-4/ 
67701 -36-4   2%  
97 Sodium,4 -[(9,10 -dihydro -4-hydroxy -9,10-dioxo-
1-anthryl)amino]toluene -3-sulphonate  Acid Violet 43  4430 -18-6  0.5%   
98 2-(4-Amino -3-nitroanilino)ethanol  HC Red No. 7  24905 -87-1  1% Do not use with nitrosating agents;  
Maximum nitrosamine content ：50 
microgram/kg(ppb);  
Keep in nitrite -free containers  
99 Inorganic sulfites and bisulfites  - - 0.67%  
(calculated as SO 2)   
100 Phosphoric  acid compound w ith 4-[(2,6 -di- 
chloro phenyl) (4-imino -3,5-dimethyl -2,5-cyclo - 
hexadien -1-ylidene)methyl] -2,6-dimethylaniline  
(1:1)  HC Blue No. 15  74578 -10-2 0.2%  0.2%   
  No. Chemical name  INCI name  CAS No.  Maximum concentration  restriction / warning statement  
101 Diammonium peroxodisulphate  Ammonium Persulfate  7727 -54-0 61.3%  For professional use  only 
(Decolorizer ) 
102 Dipotassium  peroxodisulphate  Potassium Persulfate  7727 -21-1 70% For professional use only 
(Decolorizer ) 
103 Disodium  peroxodisulphate  Sodium Persulfate  7775 -27-1 47% For professional use only 
(Decolorizer ) 
104 Ammonia  Ammonia  7664 -41-7/ 
1336 -21-6  6% 
(calculated as  NH 3)   
※Maximum Concentration：Maximum usage volume prepared with ingredients in accordance to the instruction manual . 
※For hair dye products only, unless the substance regulated elsewhere in others regulation .