C.I. Direct Brown 1
Dianilbrown
CAS: 3811-71-0
Molecular Formula: C31H22N8Na2O6S
C.I. Direct Brown 1 - Names and Identifiers
| Name | Dianilbrown |
| Synonyms | C.I. 30045 Dianilbrown AmanilBrownD3G Dianil brown 3GN PARAMINE BROWN G DIANIL BROWN 3GN DIPHENYL BROWN GRI C.I. Direct Brown 1 BENZO CHROME BROWN G BENZAMINE BROWN 3 GO C.I.DirecfBrown1(30045) C.I. Direct Brown 1, disodium salt benzoicacid,5-[[4'-[[2,4-diamino-5-[(4-sulfophenyl)azo]phenyl]azo][1,1'-biphe disodium 4-[(E)-{4'-[(E)-{2,4-diamino-5-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}diazenyl]biphenyl-4-yl}diazenyl]-2-hydroxybenzoate (3E)-3-({4'-[(E)-{2,4-diamino-5-[(E)-(4-sulfophenyl)diazenyl]phenyl}diazenyl]biphenyl-4-yl}hydrazono)-6-oxocyclohexa-1,4-diene-1-carboxylic acid |
| CAS | 3811-71-0 |
| EINECS | 223-294-4 |
| InChI | InChI=1/C31H24N8O6S/c32-26-16-27(33)29(39-36-22-9-12-24(13-10-22)46(43,44)45)17-28(26)38-35-21-7-3-19(4-8-21)18-1-5-20(6-2-18)34-37-23-11-14-30(40)25(15-23)31(41)42/h1-17,34H,32-33H2,(H,41,42)(H,43,44,45)/b37-23+,38-35+,39-36+ |
C.I. Direct Brown 1 - Physico-chemical Properties
| Molecular Formula | C31H22N8Na2O6S |
| Molar Mass | 680.6 |
| Density | 1.51g/cm3 |
| Refractive Index | 1.734 |
C.I. Direct Brown 1 - Reference Information
| color index | 30045 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | is mainly used for dyeing cotton, viscose and other fabrics, and can also be used for coloring silk, pulp and leather |
| production method | sodium p-aminobenzene sulfonate; m-phenylenediamine; Salicylic acid and benzidine are the basic raw materials. After diazotization, sodium p-aminobenzene sulfonate is coupled with benzene diamine to obtain a coupling (I). After benzidine diazotization, the horse is a diazonium salt of aniline. Then use benzidine diazonium salt and salicylic acid and coupling (I) for double coupling, and then salting out, filtering and drying to obtain the product. |
Last Update：2024-04-09 15:16:46
