CAS NO:129423-54-7

EC NO:403-530-4

Molecular Formula:C₁₇H₁₃CaClN₄O₇S₂

Molecular Weight:524.97

Synonyms:-;C.I. Pigment Yellow 191;Pigment Brilliant Yellow HGR;c.i. 18795;4-Chloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methylbenzenesulfonic acid calcium salt (1:1);PYRAZOLONE YELLOW HGR;Benzenesulfonic acid, 4-chloro-2-4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-ylazo-5-methyl-, calcium salt (1:1);Pigment -- Pigment Yellow 191;4-Chloro-2-[5-hydroxy-3-methyl-1-(3-sulfophe- nyl)pyrazol-4-ylazo]-5-methylbenzene sulfonic acid, calcium salt

Molecular Structure: