Pigment Yellow 151 Permanent Yellow H4G

Product introduction of Everlasting Yellow H4G (C.I. Pigment Yellow 151)

Index Number: C.I.P.Y.151

Chinese name: Pigment Yellow 151

English name: Pigment Yellow 151

Chinese alias: C.I. Pigment Yellow 151; Benzimidazolone Yellow H4G; Pigment Yellow 151; Pigment Yellow H4G

1. Physical indicators and parameters

Temperature resistance: 250℃

Light fastness: grade 7-8

Weather resistance: level 5

Molecular weight: 381.3422

Molecular formula: C18H15N5O5

CAS Number: 31837-42-0

Hue or shade: greenish yellow

Density/(g/cm3): 1.57

Bulk Density/(lb/gal): 12.5

Melting point/℃: 330

Average particle size/μm: 230

Particle shape: flake

Specific surface area/(m2/g): 18;23

pH/(10% slurry): -7

Oil absorption/(g/100g): 52

Hiding power: translucent type

2. Pigment properties

Shandong Caizhiyuan Pigment Technology: Yellow H4G (C.I. Pigment Yellow 151) is a brilliant green yellow, greener than Pigment Yellow 154 and Pigment Yellow 180, and redder than Pigment Yellow 175. Hue angle is 97.4 degrees (1/3SD). The surface area is 23m2/g, with good hiding power.

Permanent yellow H4G has excellent light fastness. In paint coloring, it can be exposed to sunlight in Florida for 1 year without discoloration. The weather fastness is grade 5, and titanium dioxide is still grade 4 after dilution.

In plastic coloring, the heat-resistant stability of  Yellow H4G is 260℃/5min without discoloration.

Pigment Yellow 151 produced by Shandong Caizhiyuan Pigment Technology can completely replace Clariant Pigment Yellow H4G.

3. Application areas

Mainly used for coloring of industrial coatings, powder coatings, inks, automotive paints, plastics and other products.

4. Product packaging

Packed in kraft paper bags, net weight 10kg/bag.