| Product Name | C.I.Pigment Red 221 |
| CAS No. | 71566-54-6;61815-09-6 |
| Synonyms | 20065; P.R.221; Cromophtal Red 2B; Benzoic acid,3,3'-[(2,5-dichloro-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthalenediyl)azo]]bis[4-methyl-bis(1-methylethyl)ester; Benzoic acid, 3,3'-((2,5-dichloro-1,4-phenylene)bis(iminocarbonyl(2-hydroxy-3,1-naphthalenediyl)-2,1-diazenediyl))bis(4-methyl-, 1,1'-bis(1-methylethyl) ester; EINECS 275-639-3; Benzoic acid, 3,3'-((2,5-dichloro-1,4-phenylene)bis(iminocarbonyl(2-hydroxy-3,1-naphthalenediyl)azo))bis(4-methyl-, bis(1-methylethyl) ester; Diisopropyl 3,3'-((2,5-dichloro-1,4-phenylene)bis(iminocarbonyl(2-hydroxy-3,1-naphthylene)azo))bis(4-methylbenzoate); diisopropyl 3,3'-[(2,5-dichloro-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthylene)azo]]bis[4-methylbenzoate] |
| InChI | InChI=1/C50H42Cl2N6O8/c1-25(2)65-49(63)31-17-15-27(5)39(21-31)55-57-43-33-13-9-7-11-29(33)19-35(45(43)59)47(61)53-41-23-38(52)42(24-37(41)51)54-48(62)36-20-30-12-8-10-14-34(30)44(46(36)60)58-56-40-22-32(18-16-28(40)6)50(64)66-26(3)4/h7-26,59-60H,1-6H3,(H,53,61)(H,54,62) |
| Molecular Formula | C50H42Cl2N6O8 |
| Molecular Weight | 925.81 |
| Refractive index | 1.663 |
71566-54-6;61815-09-6 c.i.pigment red 221
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