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• Pigment red 185
• Pigment red 208
• Pigment red 176
• Pigment red 146
• Pigment yellow 180
• Pigment yellow 139
• Pigment yellow 81
• Pigment yellow 83
• Pigment orange 64
• Pigment orange 16
• Pigment orange 34
• Pigment brown 25

High performance organic pigments

Red pigment
Yellow pigment
Orange pigment
Brown pigment
Violet pigment

Intermediates

Naphthol ABI
Naphthol AA-BI
Naphthol AS-BI
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Pigment yellow 81

English name :Pigment Yellow 81
Alias:21127; C.I.PigmentYellow81; 2,2'-[[2,2',5,5'-tetrachloro(1,1'-biphenyl)-4,4'diyl]bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxo-Butanamide]; 2,2'-[(2,2',5,5'-tetrachlorobiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis[N-(2,4-dimethylphenyl)-3-oxobutanamide]; 2-[2,5-dichloro-4-[2,5-dichloro-4-[1-[(2,4-dimethylphenyl)carbamoyl]-2-oxo-propyl]azo-phenyl]phenyl]azo-N-(2,4-dimethylphenyl)-3-oxo-butanamide
CAS No.:22094-93-5
Molecular formula:C₃₆H₃₂Cl₄N₆O₄
Molecular weight:754.4891
Molecular structure:

· 2 Index:
Colored light: green light yellow color
Relative density: 1.41-1.42
Bulk density/(lb/gal): 11.7-11.8
Melting point/°C: >400
Mean grain size /μm: 0.16
Particle shape: cube
Specific surface area /(m2/g): 26
PH range/(10% slurry): 6.5
Oil absorption /(g/100g): 35-71
Covering force: semi-transparent
lemon yellow powder, bright color, powerful tinting strength, fine fastness, excellent solvent resistance and heat resistance
· 3 Main uses
It is mainly used in coating, printing ink, paint and plastic products field for coloring.

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