Natural color:

Dilute color:

Pigment yellow 81, product name is Pigment Yellow 81, alias is C.I. pigment yellow 81;CAS RN is 22094-93-5, molecular formula is C₃₆H₃₂C_l4N₆O₄, it is mainly used in coating, paint, printing ink, and plastic products.

Structural formula:

                

Basic information

Product 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 RN:22094-93-5

Molecular formula:C₃₆H₃₂C_l4N₆O₄

Molecular weight:754.4891

Physical property data

Hue or color tone: bright green light yellow

Relative density: 1.41-1.42

Bulk density/(lb/gal): 11.7-11.8

Melting point/℃: >400

Average particle size/μm: 0.16

Particle shape: cubic

Specific surface area/(m2/g): 26

pH value/(10% sizing agent): 6.5

Oil absorption/(g/100g): 35-71

Covering power: semi-transparent

lemon yellow powder, with bright color, and good tinting strength, favorable light fastness, and solvent resistance, heat resistance is 170～180℃ (less than 30min)

Main uses

The product has favorable light fastness, heat resistance and solvent resistance. It is mainly used in coating, ink, printing ink, and plastic products.

System No.

CAS RN: 22094-93-5

EINECS No.: 244-776-0