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

Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt Structure
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-, disodium salt structure
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
Molecular Weight:
912.95
MDL Number:
MOL File:
82323-97-5.mol
Request For Quotation

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

Raw materials

4,4'-Diamino-2,2'-stilbenedisulfonic acid Phenol Tosyl chloride

Preparation Products

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

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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