Pigment Yellow 191
Pigment Yellow 191 affords reddish yellow shades similar as Pigment Yellow 83. It displays good light fastness, excellent solvent fastness, even fastness to commonly used plasticizers. Mainly used for plastics and coatings.
Identification
Color Index
C.I. NO.
CAS NO.
EU NO.
Molecular Formula
Chemical Group |
Pigment Yellow 191
18795
129423-54-7
403-530-4
C17H13CIN4O7S2Ca
Monoazo pyrazolone, Ca |
Physical Data and Fastness Properties
Moisture (%)
Water Soluble Matter (%)
Oil Absorption (ml/100g)
Electric Conductivity (us/cm)
Fineness (80mesh) %
PH Value |
≤1.5
≤1.0
35-45
≤500
≤5.0
6.5-7.5 |
Acid Resistance
Alkali Resistance
Alcohol Resistance
Ester Resistance
Benzene Resistance
Ketone Resistance
Soap Resistance
Bleeding Resistance -
Migration Resistance
Heat Resistance (ºC)
Light Fastness (8=excellent) |
5
5
5
5
5
5
5
5
5
280
7 |
Application
1. Plastics: used for PVC, HDPE, PP, etc.
2. Coatings: used for hot melting traffic paints.
Available Commercial Specific Grades:
Fast Yellow HGR
For more, contact us with your specific applications, we shall offer the best solution for you.
