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              Pigment Yellow GW 
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 SECTION 1--CHEMICAL PRODUCT AND COMPANY IDENTIFICATION 
Trade Name: Pigment Yellow GW 
C.I. Number: Pigment Yellow 12 
CAS Number: 6358-85-6 
EU Number: 228-787-8 
Chamical Family: Disazo 
SECTION 2 – PHYSICAL AND CHEMICAL DATA 
Molecular Weight: 629.49 
Molecular Formula: C32H26 Cl2N6O4 
P.H. Value: 6.0-7.0 
Density: 1.5 
Oil Absorption(ml/100g): 40-50 
SECTION 3 – Fastness Properties 
Light Fastness: 5 
Heat Resistance: 180℃ 
Water Resistance: 4 
Oil Resistance: 4 
Acid Resistance: 5 
Alkali Resistance: 5 
SECTION 4 – RECOMMENDED APPLICATIONS 
Main Application: Water based inks 
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