disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate

CAS No.
6360-09-4
Chemical Name:
disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate
Synonyms
Acid Violet 11;C.I.Acid Violet 11:C.I.17060;disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate
CBNumber:
CB1877988
Molecular Formula:
C16H12N4Na2O7S2
Molecular Weight:
482.39862
MDL Number:
MOL File:
6360-09-4.mol

disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate Chemical Properties,Uses,Production

Preparation

2-Amino-5-nitro-N-ethylbenzenesulfonanilide diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?in acid conditions coupled, then?the product was then reducing the nitro group to an amino group with sodium.

Properties and Applications

dark red light purple. Soluble in water and ethanol for product red. The strong sulfuric acid for yellow brown, after dilute for pink. Its water solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for ruby red colour.

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

disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate Preparation Products And Raw materials

disodium 6-amino-5-[(4-amino-2-sulphonatophenyl)azo]-4-hydroxynaphthalene-2-sulphonate C.I.Acid Violet 11:C.I.17060 Acid Violet 11 6360-09-4