Pigment Red 38

product Name Pigment Red 38 Synonyms C.I. 21120; C.I. Pigment Red 38; C.I. Pigment Red 38 (VAN) (8CI); -PIGMENT RED 38; diethyl 4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis(5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate); ethyl 4-[2-chloro-4-[3-chloro-4-[(3-ethoxycarbonyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)azo]phenyl]phenyl]azo-5-oxo-1-phenyl-4H-pyrazole-3-carboxylate Molecular Formula C36H28Cl2N8O6 Molecular Weight 739.5635 InChI InChI=1/C36H28Cl2N8O6/c1-3-51-35(49)31-29(33(47)45(43-31)23-11-7-5-8-12-23)41-39-27-17-15-21(19-25(27)37)22-16-18-28(26(38)20-22)40-42-30-32(36(50)52-4-2)44-46(34(30)48)24-13-9-6-10-14-24/h5-20,29-30H,3-4H2,1-2H3 CAS Registry Number 6358-87-8 EINECS 228-788-3 Molecular Structure Density 1.45g/cm3 Boiling point 819.5°C at 760 mmHg Refractive index 1.69 Flash point 449.4°C

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