Basic Yellow 57 (68391-31-1)

Basic Yellow 57 Chemical Structure

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Basic Yellow 57 is used as a direct dye for hair colouring products. It is used without mixing with an oxidising agent (e.g. hydrogen peroxide). The final concentration of Basic Yellow 57 on the head can be up to 2.0%.

Macsen Laboratories is the leading manufacturer & supplier of Basic Yellow 57 with ISO certification.
Name of Product Basic Yellow 57
IUPAC Name trimethyl-[3-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]phenyl]azanium;chloride
Synonyms Benzenaminium, 3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-N,N,N-trimethyl-, chloride; Basic Yellow 13; Basic Yellow 19; Arianor Straw Yellow; Jarocol Straw Yellow; COLIPA C10
CAS No 68391-31-1
CI No 12719
Molecular Formula C19H22ClN5O
Molecular Weight 371.9 g/mol
Pubchem CID 94631

Chemical Properties

SR. No Criteria Limit/Specification
1 Appearance (Color) Orange-yellow
2 Appearance (Form) Powder
3 Melting point 163-169 °C
4 Solubility (at room temperature) Water: > 100 g/l
Ethanol: 3 – 30 g/l
DMSO: 10 – 100 g/l
5 Uses Dye

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