Basic Orange 31 (97404-02-9)

Basic Orange 31 Chemical Structure

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Basic Orange 31 is incorporated in non-oxidative hair dye formulations at a maximum concentration of 1.0%, and in oxidative hair dye formulations at a maximum final concentration of 0.5%, after mixing with the oxidative agent. It is a moderate skin sensitiser.

Macsen Laboratories is the leading manufacturer & supplier of Basic Orange 31 with ISO certification.
Name of Product Basic Orange 31
IUPAC Name 4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]aniline;chloride
Synonyms 2-[(4-AMINOPHENYL)AZO]-1,3-DIMETHYL-1H-IMIDAZOLIUM CHLORIDE; Flame Orange; MIP Orange 3100; COLIPA B118; laranja básico 31; arancio di base 31; naranja básica 31; orange de base 31
CAS No 97404-02-9
Molecular Formula C11H14ClN5
Molecular Weight 251.71 g/mol
Pubchem CID 9881454

Chemical Properties

SR. No Criteria Limit/Specification
1 Appearance (Color) Violet/brown or dark red
2 Appearance (Form) Powder
3 Melting point > 400 °C
4 Solubility 27.5 g/l at 20 °C (in water)
5 Uses Dye

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