HC Blue 12 is both a secondary and tertiary amine. It is used as a non-reactive hair colouring agent (“Direct Dye”) in semipermanent hair dye formulations at a maximum on-head concentration of 1.5 % and in oxidative hair dye formulations at a maximum on-head concentration of 0.75 %.
Macsen Laboratories is the leading manufacturer & supplier of HC Blue 12 with ISO certification.
| PRODUCT SPECIFICATIONS | |
|---|---|
| Name of Product | HC Blue 12 |
| IUPAC Name | 2-[Ethyl-4-[(2-hydroxyethyl)amino]-3-nitroanilino]ethanol hydrochloride |
| Synonyms | HC Blue No. 12; Nitroblau; 4-[N-ethyl-N-(2-hydroxyethyl)amino]-1-(2-hydroxyethyl)amino-2-nitrobenzene, monohydrochloride; COLIPA n° B73 ; HC Azul 12; HC Blu 12; HC Bleu 12 |
| CAS No | 132885-85-9 |
| Molecular Formula | C12H19N3O4.HCl |
| Molecular Weight | 305.76 g/mol |
| Pubchem CID | 21909533 |
Chemical Properties
| SR. No | Criteria | Limit/Specification |
|---|---|---|
| 1 | Appearance (Color) | Yellow-green |
| 2 | Appearance (Form) | Powder |
| 3 | Density | 1.363 g/cm3 (20 °C) |
| 4 | Melting point | 164° - 170 °C |
| 5 | Solubility | In water: > 100 g/L (pH 2.4) In DMSO: > 100 g/L In ethanol: 5 < S < 15 g/L |
6 | Uses | Dye |
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