disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate CAS#: 5858-61-7

disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate

Basic information Safety Supplier Related

disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate Basic information

Product Name:

disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate

Synonyms:

disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate
Acid Red 7
3-[[4-(Acetylamino)phenyl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt
C.I.14895
C.I.Acid Red 7
Eriorubine G
Sorbine Red
C.I.Acid Red 7:C.I.14895

CAS:

5858-61-7

MF:

C18H13N3Na2O8S2

MW:

509.42066

EINECS:

2274958

Mol File:

5858-61-7.mol

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disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate Usage And Synthesis

Preparation

N-(4-aminophenyl)acetamide diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications

blue-ray red. Soluble in water for blue-ray red, part of the soluble in ethanol and acetone, slightly soluble in toluene. The strong sulfuric acid for red, diluted the bright red for; In nitric acid yellow orange?for color. In aqueous solution to join strong hydrochloric acid for red; Add sodium hydroxide for yellow brown.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	4	2	5	3	1	4	1	1
AATCC	4	4	4	3	1	1	2	2

disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonateSupplier

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