sodium 2-[4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate

CAS NO.：5915-59-3
Empirical Formula: C26H18N5NaO5S2
Molecular Weight: 567.57139
EINECS: 2276384
SAFETY DATA SHEET (SDS)

What is sodium 2-[4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate?

Preparation

2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid diazo, Coupled with resorcinol; aniline diazo, and the generation of single accidentally coupled nitrogen compounds.

Properties and Applications

orange. Soluble in water for yellow brown, slightly soluble in alcohol. The strong sulfuric acid for orange red to brown, after dilute for orange brown. The dye solution with strong hydrochloric acid have orange brown precipitation; Join a wine red, hydrogen oxide precipitation. Used for cellulose fiber dyeing, good levelness, white good sex.

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

Properties of sodium 2-[4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate

EPA Substance Registry System

C.I. Direct Orange 32, monosodium salt (5915-59-3)

Safety information for sodium 2-[4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate

Computed Descriptors for sodium 2-[4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate

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