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

Product Name
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
Formula Weight
652.60582
MOL File
50814-29-4.mol
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disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonate Property

EPA Substance Registry System
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[(4-hydroxy-2-methylphenyl)azo]-, disodium salt (50814-29-4)
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Hazard and Precautionary Statements (GHS)

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

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

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50814-29-4, disodium 4,4'-bis[(4-hydroxy-2-methylphenyl)azo]stilbene-2,2'-disulphonateRelated Search:

Acid yellow 17 Acid Yellow 184 C. I. Acid yellow 18 Acid Yellow 158 sodium 4-[4-[[3-(anilinosulphonyl)phenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-2,5-dichlorobenzenesulphonate ACID YELLOW 159 Acid Yellow 158:1 ACID YELLOW 16

  • 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