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Basic information
CAS
3520-72-7
EINECS
222-530-3
Molecular Formula
C32H24Cl2N8O2
Molecular Weight
623.4914
English Name
Pigment Permanent Orange G
Synonyms
C.I. 21110, C.I. Pigment Orange 13, Benzidine orange, 4,4'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one], PIGMENT ORANGE 13, PYRAZOLONE ORANGE, 4-dihydro-5-methyl-2-phenyl-, atulvulcanfastpigmentorangeg, benzidineorange, benzidineorange45-2850, FAST ORANGE G, Pigment Orange 13 (21110), (4E,4'E)-4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)di(1E)hydrazin-2-yl-1-ylidene]bis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one), 4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one)

Physical and Chemical Properties
Density
1.42g/cm3
Refractive index
1.714
Boiling point
825.5°C at 760 mmHg
Flash point
453.1°C
Vapour Pressure
2.19E-27mmHg at 25°C

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