disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate
disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate Basic information
- Product Name:
- disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate
- Synonyms:
-
- disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate
- 2,2'-(1,2-Ethenediyl)bis[5-[(4-hydroxy-2-methylphenyl)azo]benzenesulfonic acid sodium] salt
- C.I.24855
- C.I.Acid Yellow 183
- 5-[(2E)-2-(2-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-[(E)-2-[4-[(2Z)-2-(2-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate
- C.I.Acid Yellow 183:C.I.24855
- Acid Yellow 183
- CAS:
- 50814-29-4
- MF:
- C28H22N4Na2O8S2
- MW:
- 652.60582
- EINECS:
- 256-782-0
- Mol File:
- 50814-29-4.mol
More
Less
disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate Chemical Properties
- EPA Substance Registry System
- Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[(4-hydroxy-2-methylphenyl)azo]-, disodium salt (50814-29-4)
More
Less
disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate Usage And Synthesis
Preparation
1,2-Bis(4-amino-2-sulfophenyl)ethene? double nitriding, and m-Cresol?(2 Moore) coupled.
Properties and Applications
red light yellow. Used for wool, polyamide fiber fabric dyeing and printing. Levelness medium, discharge sex is very good.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 4-5 | 4-5 | 4-5 | ||||