1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt

CAS NO.：6470-37-7
Empirical Formula: C34H27N5Na2O9S2
Molecular Weight: 759.71582
EINECS: 613-656-3
SAFETY DATA SHEET (SDS)

What is 1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt?

Preparation

4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and 3-Oxo-N-phenylbutanamide coupling.

Properties and Applications

red light orange. Soluble in water for orange, soluble in ethanol for gold orange, slightly soluble in benzene and acetone. The strong sulfuric acid in red orange for, to orange diluted. The dye solution to join strong hydrochloric acid for orange; Add thick sodium hydroxide solution for yellow light brown. Used for wool, silk and fiber dyeing and printing directly.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	4	3-4	3-4	3-4	2-3		4-5

Safety information for 1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt

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