Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt

Product Name
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt
CAS No.
82323-97-5
Chemical Name
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt
Synonyms
Acid Yellow 228;C.I.Acid Yellow 228:C.I.24896;Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt
CBNumber
CB84773470
Molecular Formula
C40H33N4NaO12S4
Formula Weight
912.95
MOL File
82323-97-5.mol
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Hazard and Precautionary Statements (GHS)

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Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt Chemical Properties,Usage,Production

Preparation

1,2-Bis(4-amino-2-sulfophenyl)ethene? double nitriding, and phenol (2 Moore) coupled, then 4-Methylbenzene-1-sulfonyl chloride with phenol hydroxyl groups esterified.

Properties and Applications

dark red light yellow. Mainly used for wool, polyamide fiber dyeing, also can be used for silk dyeing. Good solubility.

Standard(Polyamide) Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6-7 5

Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt Preparation Products And Raw materials

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Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt Suppliers

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82323-97-5, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium saltRelated Search:

Acid Yellow 220 Aluminum, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-pyrazole-3-carboxylate complexes Acid Yellow 219:1 ACID YELLOW 25 Martius Yellow ACID YELLOW 242 Acid yellow 241 Tartrazine Acid Yellow 233

  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt
  • Acid Yellow 228
  • C.I.Acid Yellow 228:C.I.24896
  • 82323-97-5