disodium 7-(benzoylamino)-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate

CAS NO.：5873-26-7
Empirical Formula: C31H23N5Na2O8S2
Molecular Weight: 703.65256
EINECS: 2275328

What is disodium 7-(benzoylamino)-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate?

Preparation

4-Amino-3-methylbenzenesulfonic acid diazo, coupled with m-Toluidine, its product to diazo, and 7-Benzamido-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue-ray red. Soluble in water and ethanol is cherry red. The strong sulfuric acid for blue-ray green, red after diluted purple precipitation. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution has the purple precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4-5	3-4	5	1-2		1-2

Safety information for disodium 7-(benzoylamino)-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate

New Products

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Related products of tetrahydrofuran

DIRECT BRILLIANT PINK B

trisodium [mu-[2-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-sulphophenyl)azo]-7-sulpho-2-naphthyl]amino]carbonyl]amino]-3-sulpho-2-naphthyl]azo]benzoato(7-)]]dicuprate(3-)

CHLORAZOL VIOLET N

disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate

DIRECT RED 89

disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate

Cuprate(2-), [μ-[[7,7'-(carbonyldiimino) bis[3-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo ]-4-hydroxy-2-naphthalenesulfonato]](6-)]]di-, disodium

2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-4-hydroxy-, disodium salt