Identification | Back Directory | [Name]
disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate | [CAS]
50814-29-4 | [Synonyms]
C.I.24855 Acid Yellow 183 C.I.Acid Yellow 183 C.I.Acid Yellow 183:C.I.24855 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 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 | [EINECS(EC#)]
256-782-0 | [Molecular Formula]
C28H22N4Na2O8S2 | [MOL File]
50814-29-4.mol | [Molecular Weight]
652.606 |
Hazard Information | Back Directory | [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
|
|
|
|
|
|
|
|