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By certification 
Pigment yellow 139 Physical, Chemical and Fastness Properties Application
Molecular Weight 367.27
Molecular Formula C16H9N5O6
P.H. Value 6.0-7.5
Density 1.8
Oil Absorption(ml/100g)% 52
Light Fastness 7
Heat Resistance 240 (°C)
Water Resistance 5
Oil Resistance 5
Acid Resistance 5
Alkali Resistance 5
Shade: Reddish Yellow
Main Application: Plastic
Molecular Weight 367.27
Molecular Formula C16H9N5O6
P.H. Value 6.0-7.5
Density 1.8
Oil Absorption(ml/100g)% 52
Light Fastness 7
Heat Resistance 240 (°C)
Water Resistance 5
Oil Resistance 5
Acid Resistance 5
Alkali Resistance 5
Shade: Reddish Yellow
Main Application: Plastic
