Home »Speciality Dyes and Biological Stains »Basic Yellow 87
Basic Yellow 87 is used at 0.2 % in semi-permanent (35 ml) and at a final concentration of 0.1 % (100 ml) in oxidative hair dye formulations, after mixing with the oxidative agent.
PRODUCT SPECIFICATIONS | |
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Name of Product | Basic Yellow 87 |
IUPAC Name | N-methyl-N-[(E)-(1-methylpyridin-1-ium-4-yl)methylideneamino]aniline;methyl sulfate |
Synonyms | Vibracolor Citrus Gelb (Vibracolor Citrus Yellow); MIP 2982; MIT Gelb 2982; Maxilon yellow 4GL; amarelo básico 87; giallo base 87; amarillo basico 87; jaune de base 87 |
CAS No | 68259-00-7 |
Molecular Formula | C15H19N3O4S |
Molecular Weight | 337.4 g/mol |
Pubchem CID | 9576503 |
SR. No | Criteria | Limit/Specification |
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1 | Appearance (Form) | Solid crystalline powder |
2 | Appearance (Color) | Yellow to Orange |
3 | Melting point | 140° C (135-164 °C), not melting, decomposition at higher temperatures |
4 | Solubility (in water) | 40 g/l at 20 °C |
5 | Loss on Drying | NMT 4.0 % |
6 | Assay | Min. 80.0 % (by HPLC) |
7 | Arsenic | Max. 2 ppm |
8 | Lead | Max. 2 ppm |
9 | Iron | Max. 140 ppm |