| Product Name | C.I. Direct Blue 31, trisodium salt (8CI) |
| CAS No. | 5442-09-1;4198-21-4 |
| Synonyms | C.I. 23690; C.I. Direct Blue 31; trisodium (3Z)-3-({3,3'-dimethyl-4'-[(2Z)-2-(1-oxo-4-sulfonatonaphthalen-2(1H)-ylidene)hydrazino]biphenyl-4-yl}hydrazono)-5-hydroxy-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate; (3E)-3-({3,3'-dimethyl-4'-[(2E)-2-(1-oxo-4-sulfonaphthalen-2(1H)-ylidene)hydrazino]biphenyl-4-yl}hydrazono)-5-hydroxy-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid |
| InChI | InChI=1/C34H26N4O12S3/c1-17-11-19(7-9-25(17)35-37-27-16-29(52(45,46)47)23-5-3-4-6-24(23)33(27)40)20-8-10-26(18(2)12-20)36-38-32-30(53(48,49)50)14-21-13-22(51(42,43)44)15-28(39)31(21)34(32)41/h3-16,35-36,39H,1-2H3,(H,42,43,44)(H,45,46,47)(H,48,49,50)/b37-27+,38-32- |
| Molecular Formula | C34H26N4O12S3 |
| Molecular Weight | 778.7848 |
| Density | 1.66g/cm3 |
| Refractive index | 1.745 |
5442-09-1;4198-21-4 c.i. direct blue 31, trisodium salt (8ci)
service@apichina.com