disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate

CAS No.
50814-29-4
Chemical Name:
disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate
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
CBNumber:
CB0906003
Molecular Formula:
C28H22N4Na2O8S2
Molecular Weight:
652.60582
MDL Number:
MOL File:
50814-29-4.mol

disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate Properties

disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate Chemical Properties,Uses,Production

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

disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

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 50814-29-4