CAS No: 3520-72-7, Chemical Name: Pigment Permanent Orange G
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3520-72-7 Pigment Permanent Orange G

product 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)
Molecular Formula C32H24Cl2N8O2
Molecular Weight 623.4914
InChI InChI=1/C32H24Cl2N8O2/c1-19-29(31(43)41(39-19)23-9-5-3-6-10-23)37-35-27-15-13-21(17-25(27)33)22-14-16-28(26(34)18-22)36-38-30-20(2)40-42(32(30)44)24-11-7-4-8-12-24/h3-18,29-30H,1-2H3/b37-35+,38-36+
CAS Registry Number 3520-72-7
EINECS 222-530-3
Molecular Structure 3520-72-7 Pigment Permanent Orange G
Density 1.42g/cm3
Boiling point 825.5°C at 760 mmHg
Refractive index 1.714
Flash point 453.1°C
Vapour Pressur 2.19E-27mmHg at 25°C
Hazard Symbols
Risk Codes 20/21/22-36/37/38:;
Safety Description 26-36/37/39:;