Benzenesulfonic acid, 4,4'-[carbonylbis[imino[2-(acetylamino)-4,1-phenylene]azo]]bis-, disodium salt
Benzenesulfonic acid, 4,4'-[carbonylbis[imino[2-(acetylamino)-4,1-phenylene]azo]]bis-, disodium salt Basic information
- Product Name:
- Benzenesulfonic acid, 4,4'-[carbonylbis[imino[2-(acetylamino)-4,1-phenylene]azo]]bis-, disodium salt
- Synonyms:
-
- Benzenesulfonic acid, 4,4'-[carbonylbis[imino[2-(acetylamino)-4,1-phenylene]azo]]bis-, disodium salt
- C.I.Direct Yellow 31:C.I.29095
- Direct Yellow 31
- CAS:
- 71775-48-9
- MF:
- C29H24N8Na2O9S2
- MW:
- 738.6586
- EINECS:
- 615-391-9
- Mol File:
- 71775-48-9.mol
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Benzenesulfonic acid, 4,4'-[carbonylbis[imino[2-(acetylamino)-4,1-phenylene]azo]]bis-, disodium salt Usage And Synthesis
Preparation
4-Aminobenzenesulfonic acid diazo, and ?N-(3-aminophenyl)acetamide coupling, and then make the light gasification.
Properties and Applications
yellow. Used for cellulose fiber dyeing and printing, silk and wool fabric printing, paper, shading, discharge the gender is good.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 3-4 | 5-6 | 3-4 | 2 | ||
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Benzenesulfonic acid, 4,4'-[carbonylbis[imino[2-(acetylamino)-4,1-phenylene]azo]]bis-, disodium salt(71775-48-9)Related Product Information
- DIRECT YELLOW 39
- BRILLIANT YELLOW
- DIRECT FAST YELLOW 5GL
- DIRECT YELLOW 27
- DIRECT YELLOW 29
- tetrasodium 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(naphthalene-1,5-disulphonate)
- Direct Yellow 30
- tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate]
- DIRECT YELLOW 28