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Basic Red 51 Chemical Structure

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Basic Red 51 is designed for use in direct hair dye formulations at concentrations of up to 1 % and in oxidative hair dyes at a final concentration of 0.5 %, after mixing with the oxidative agent.

Macsen Laboratories is the leading manufacturer & supplier of Basic Red 51 with ISO certification.
Name of Product Basic Red 51
IUPAC Name 4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]-N,N-dimethylaniline;chloride
Synonyms 2-[[4-(dimethylamino)phenyl]azo]-1,3-dimethyl-1h-imidazolium chloride; A7A946JJ6I; MIP RED 2985; vermelho básico 51; rosso di base 51; rojo básico 51; rouge de base 51
CAS No 77061-58-6
Molecular Formula C13H18ClN5
Molecular Weight 279.77 g/mol
Pubchem CID 166491

Chemical Properties

SR. No Criteria Limit/Specification
1 Appearance (Color) Blue to Dark violet
2 Appearance (Form) Powder with lumps
3 Melting point > 200 °C
4 Solubility 40 g/l at 30°C
5 Uses Dye

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