ACID RED 51
31629Disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9-yl)benzoate (CI 45430)
428 cosmetic ingredients in the EU CosIng inventory carry the HAIR DYEING function designation. These ingredients are sourced from the European Commission CosIng inventory and may appear across Annex II–VI records.
Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, or permanent, depending on the length of time the colorant remains on the hair.
Disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9-yl)benzoate (CI 45430)
Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium, sodium salt (CI 45100)
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-,disodium salt (CI 27290)
Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate (CI 45380)
3,4,5,6-Tetrachloro-2-(1,4,5,8-tetrabromo-6-hydroxy-3-oxoxanthen-9-yl)benzoic acid (CI 45410)
Disodium 2-(4,5-diiodo-6-oxido-3-oxoxanthen-9-yl)benzoate (CI 45425)
Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate (CI 60730)
Hydrogen 9-(2-carboxylatophenyl)-3-(2-methylanilino)-6-(2-methyl-4-sulphoanilino)xanthylium, monosodium salt (CI 45190)
Disodium 5,7-dinitro-8-oxidonaphthalene-2-sulphonate (CI 10316)
Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate (CI 19140)
Aluminium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)-1H-pyrazole-3-carboxylate (CI 19140:1)
3',6''-Dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]Xanthen]-3-one (CI 45350:1); 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid
Disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate (CI 45350)
3-Amino-7- (dimethylamino)-2- methoxyphenoxazin- 5-ium chloride
[4-[[4-Anilino-1-naphthyl][4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride (CI 44045); N-[4-[[4-(D…
2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium methyl sulphate (CI 11154)
9,10-Anthracenedione, 1-amino-4-[[4-[(dimethylamino)methyl]phenyl]amino]-, monohydrochloride (CI 61111)
9-(dimethylamino)benzo[a]phenoxazin-7-ium chloride (CI 51175)
[4-[4-(diethylamino)-.alpha.-[4-(ethylamino)-1-naphthyl]benzylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium chloride (CI 42595)
Phenoxazin-5-ium, 3-(diethylamino)-7-(phenylamino)-, trichlorozincate (1-)
Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride (CI 52015)
3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino]-N,N,N-trimethylanilinium chloride (CI 56059)
[8-[(p-Aminophenyl)azo]-7-hydroxy-2-naphthyl]trimethylammonium chloride
[8-[(4-Amino-3-nitrophenyl)azo]-7-hydroxy-2-naphthyl]trimethylammonium chloride (CI 12251)
1,3-Benzenediamine, 4,4'-[(4,4-methyl- 1,3-phenylene)bis(azo)]bis[6-methyl- (CI 21010)
[4-[4-(diethylamino)benzhydrylene]cyclohexa-2,5-dien-1-ylidene]diethylammonium hydrogen sulphate (CI 42040).
[4-[.alpha.[4-(dimethylamino)phenyl]benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride (CI 42000)
1,3-Benzenediamine, 4-methyl-6-(phenylazo)-, monohydrochloride (CI 11320)
4-Phenylazophenylene-1,3-diamine monohydrochloride (CI 11270)
2-((4-Aminophenyl)azo)-1,3-dimethyl-1H-imidazolium chloride
3-[(4-Amino-2,5-dimethoxyphenyl)azo]-N,N,N-trimethyl benzenaminium chloride
9-[2-(Ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7-dimethyl-xanthylium chloride
2-Naphthalenaminium, 8-[(4-amino-2-nitrophenyl)azo]-7-hydroxy-N,N,N-trimethyl-, chloride
Xanthylium, 3,6-bis(ethylamino)-9-(2-(methoxycarbonyl)phenyl)-2,7-dimethyl-, chloride (1:1); (CI 45161)
3,7-diamino-2,8-dimethyl-5-phenylphenazinium chloride (CI 50240)
5-(4'-dimethylaminophenylazo)-1,4-dimethyl-triazolium chloride
1H-1,2,4-triazolium, 1,4-dimethyl-5-[[4-[methyl(phenylmethyl)amino]phenyl]azo]-, bromide
2-[[4-(Dimethylamino)phenyl]azo]-1,3-dimethyl-1H-imidazolium chloride
[7-Hydroxy-8-[(2-methoxyphenyl)azo]-2-naphthyl]trimethylammonium chloride (CI 12245)
3,6-bis-(Diethylamino)-9-[2-(methoxycarbonyl)phenyl]-xanthylium, (T-4)-tetrachlorozincate (1-) (2 :1) (CI 45174)
(4-(4-Aminophenyl)(4-iminocyclohexa-2,5-dienylidene)methyl)-2-methylaniline hydrochloride (CI 42510)
3H-Indolium, 2-[2-[4-(diethylamino)phenyl]ethenyl]-1,3,3-trimethyl-chloride (CI 48013)
Benzenamine, 4-((4-amino-3-methylphenyl)(4-imino-3-methyl-2,5-cyclohexadien-1-ylidene)methyl-2-methyl, HCl (CI 42520)
[4-[bis[4-(diethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]diethylammonium chloride (CI 42600)
2-(2-((2,4-dimethoxyphenyl)amino)vinyl)-1,3,3-trimethyl-3H-indolium chloride (CI 48055)
2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium methyl sulfate (CI 48054)
The HAIR DYEING function is assigned by the European Commission in the CosIng ingredient inventory. Ingredients may carry multiple functions depending on their chemical properties and typical cosmetic applications.
Function assignments are sourced directly from official EU CosIng data. Always verify ingredient functions against current source materials before use in regulatory submissions.