2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt

CAS NO.：6408-97-5
Empirical Formula: C17H13N2NaO4S
Molecular Weight: 364.35089
EINECS: 613-457-1

What is 2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt?

Preparation

6-Aminonaphthalene-2-sulfonic acid diazo, and p-Cresol coupling.

Properties and Applications

red light yellow. For yellow is soluble in water, soluble in ethanol and acetone, slightly soluble in benzene. The strong sulfuric acid to red. Used for wool, silk, vinegar fiber dyeing and printing directly. The metal salt can be used as organic pigments.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	5-6	2-3		3			2-3

Safety information for 2-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-methylphenyl)azo]-, monosodium salt

New Products

(S)-3-Aminobutanenitrile hydrochloride 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL Tert-butyl bis(2-chloroethyl)carbamate 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid Tropic acid 1-Bromo-3,5-Di-Tert-Butylbenzene S-2-CHLORO PROPIONIC ACID ETHYL ISOCYANOACETATE 2-Bromo-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate 4-IODO BENZOIC ACID 3-NITRO-2-METHYL ANILINE 1-(2,4-DICHLOROPHENYL) ETHANAMINE (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 1-(4-(aminomethyl)benzyl)urea hydrochloride 2-aminopropyl benzoate hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetate

Related products of tetrahydrofuran

disodium 2-[[1-(2-chloro-5-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate

C.I. Acid Yellow 20

DIRECT PURE YELLOW 5G