Pigment yellow 191-Corimax Yellow HGR

Technical parameters of Pigment yellow 191

Color Index No.Pigment yellow 191
Product nameCorimax Yellow HGR
Product categoryOrganic Pigment
CAS Number129423-54-7
EU Number403-530-4
Chemical FamilyMono azo
Molecular Weight524.99
Molecular FormulaC17H13CIN4O7S2Ca
P.H. Value7.0
Oil Absorption(ml/100g)%40
Light Fastness(coating)4-5
Heat Resistance(coating)200
Light Fastness(plastic)7
Heat Resistance(plastic)300
Water Resistance5
Oil Resistance5
Acid Resistance5
Alkali Resistance5
Hue distribution

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

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:Pigment-Yellow-191-Molecular-Structure