1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt

1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt Structure
CAS No.
6374-11-4
Chemical Name:
1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt
Synonyms
Acid Blue 44;C.I.Acid Blue 44:C.I.21640;1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt
CBNumber:
CB44745992
Molecular Formula:
C27H20ClN4NaO9S2
Molecular Weight:
667.04
MOL File:
6374-11-4.mol

1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt Chemical Properties,Uses,Production

Preparation

2′-Methoxy-4′-amino-5′-chlorooxanilic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, hydrolysis, the grass, then diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

red light navy blue. Soluble in water for deep purple, rarely soluble in alcohol. The strong sulfuric acid in turquoise, diluted for purple. In water solution to join strong hydrochloric acid for blue purple; Add thick sodium hydroxide solution as dark blue.

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

1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt Preparation Products And Raw materials

1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt C.I.Acid Blue 44:C.I.21640 Acid Blue 44 6374-11-4