104226-21-3

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104226-21-3 Structure

Identification	More
[Name] HC YELLOW NO. 7
[CAS] 104226-21-3
[Synonyms] HC YELLOW NO. 7 2-[[4-(4-Aminophenyl)azo-3-methylphenyl]-(2-hydroxyethyl)amino]ethanol HC Yellow 7
[Molecular Formula] C17H22N4O2
[MDL Number] MFCD02751864
[Molecular Weight] 314.38
[MOL File] 104226-21-3.mol

Chemical Properties	Back Directory
[Melting point ] 149 °C
[Boiling point ] 578.8±50.0 °C(Predicted)
[density ] 1.20±0.1 g/cm3(Predicted)
[pka] 14.27±0.10(Predicted)
[Cosmetics Ingredients Functions] HAIR DYEING
[Contact allergens] HC Yellow no. 7 is a direct azo dye used in semiper manent hair dye preparation. Since this dye leads to PPD after hydrolysis, it explains the allergic reaction in PPD-positive patients.
[CAS DataBase Reference] 104226-21-3(CAS DataBase Reference)

Safety Data	Back Directory
[Symbol(GHS) ] GHS07,GHS09
[Signal word ] Warning
[Hazard statements ] H302-H335-H410
[Precautionary statements ] P264-P270-P301+P312-P330-P501-P273-P391-P501

Hazard Information	Back Directory
[Description] HC Yellow No. 7 is the hair color.

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