Benzoic acid, 2-hydroxy-5-[[4-(6-methyl-7-sulfo[2,6'-bibenzothiazol]-2'-yl)phenyl]azo]-, disodium salt

CAS NO.：6408-88-4
Empirical Formula: C28H16N4Na2O6S3
Molecular Weight: 646.62438
EINECS: 613-456-6

What is Benzoic acid, 2-hydroxy-5-[[4-(6-methyl-7-sulfo[2,6'-bibenzothiazol]-2'-yl)phenyl]azo]-, disodium salt?

Preparation

p-Methylaniline (2 Moore) and sulfur (4.5 atomic ratio) in 200 ~ 280 ℃ heat, with hair smoke from the sulphonated sulfuric acid alkali primrose spirit, its product diazo, coupled with 2-Hydroxybenzoic acid.

Properties and Applications

red light yellow. Soluble in water for golden brown, slightly soluble in alcohol. The strong sulfuric acid is palm in light orange, diluted for lemon yellow. The dye solution to join strong hydrochloric acid has golden precipitation; Add thick sodium hydroxide solution for orange brown precipitation.

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

Safety information for Benzoic acid, 2-hydroxy-5-[[4-(6-methyl-7-sulfo[2,6'-bibenzothiazol]-2'-yl)phenyl]azo]-, disodium salt

New Products

Tert-butyl bis(2-chloroethyl)carbamate (S)-3-Aminobutanenitrile hydrochloride N-Boc-D-alaninol N-BOC-D/L-ALANINOL N-octanoyl benzotriazole 4-Hydrazinobenzoic acid 3,4-Dibenzyloxybenzaldehyde 3-Nitrobenzaldehyde 1,1’-CARBONYLDIIMIDAZOLE R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) 4-HYDROXY BENZYL ALCOHOL 3-NITRO-2-METHYL ANILINE (2-Hydroxyphenyl)acetonitrile 5-BROMO-2CYANO PYRIDINE 5,6-Dimethoxyindanone 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 2-aminopropyl benzoate hydrochloride 1-(4-(aminomethyl)benzyl)urea hydrochloride tert-butyl 4- (ureidomethyl)benzylcarbamate diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetate

Related products of tetrahydrofuran

CHRYSAMINE G