HC Blue 1 is a C-nitro compound. It is used exclusively as a dye in semi-permanent hair colouring products. The concentration of HC Blue 1 used in these preparations ranged from 1 to 2%.
PRODUCT SPECIFICATIONS | |
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Name of Product | HC Blue 1 |
IUPAC Name | 2-[N-(2-hydroxyethyl)-4-(methylamino)-3-nitroanilino]ethanol |
Synonyms | HC Blue No. 1; 2,2'-((4-(Methylamino)-3-nitrophenyl)imino)diethanol; HC Azul 1; HC Blu 1; HC Bleu 1 |
CAS No | 2784-94-3 |
Molecular Formula | C11H17N3O4 |
Molecular Weight | 255.27 g/mol |
Pubchem CID | 17734 |
SR. No | Criteria | Limit/Specification |
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1 | Appearance (Color) | Dark blue or bluish-black |
2 | Appearance (Form) | Powder/Microcrystals |
3 | Melting point | 101.5-104 °C |
4 | Solubility (in water) | Slightly soluble in water (0.38% w/w); soluble in ethanol, methanol and acetone | 5 | Uses | Dye |