Pigment yellow 191-Corimax Yellow HGR

Technical parameters of Pigment yellow 191

Color Index No.	Pigment yellow 191
Product name	Corimax Yellow HGR
Product category	Organic Pigment
CAS Number	129423-54-7
EU Number	403-530-4
Chemical Family	Mono azo
Molecular Weight	524.99
Molecular Formula	C17H13CIN4O7S2Ca
P.H. Value	7.0
Density	1.6
Oil Absorption(ml/100g)%	40
Light Fastness(coating)	4-5
Heat Resistance(coating)	200
Light Fastness(plastic)	7
Heat Resistance(plastic)	300
Water Resistance	5
Oil Resistance	5
Acid Resistance	5
Alkali Resistance	5
Color
Hue distribution

Features: high temperature resistance.
Application：
Recommended for powder coatings, PVC, rubber, PS, PP, PE, solvent inks.
Can be applied to PU, UV ink.

TDS(Pigment yellow 191) MSDS(Pigment yellow 191)—————————————————————————————————————————————————————————————————

Related Information

Pigment yellow 191 is similar to CI Pigment Yellow 83, with low color strength, but excellent heat resistance. In high-density polyethylene (HDPE, 1/3 standard depth), the heat resistance is 300 ° C, without dimensional deformation, and has good Light fastness (grade 7-8); excellent migration resistance in plastic PVC; temperature resistance up to 330 ℃ in polycarbonate, and resistance to organic solvents. It is mainly used in the United States for coloring traffic coatings.

aliases：-; 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: