7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt

CAS No.
6226-77-3
Chemical Name:
7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt
Synonyms
C.I.27180;Acid Red 56;C.I.Acid Red 56;Cetil Fast Ponceau 6B;C.I.Acid Red 56:C.I.27180;7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt
CBNumber:
CB52414239
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
6226-77-3.mol

7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt Chemical Properties,Uses,Production

Preparation

2-Aminobenzenesulfonic acid diazo, and O-Anisidine coupling, then the water with sulfonic acid base, again diazotization and with 7-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

blue-ray red. Soluble in water for product red, soluble in ethanol for red orange. The strong sulfuric acid for green light blue, diluted into pink. Adding strong hydrochloric acid in aqueous solution for the red light purple; Add thick sodium hydroxide solution for purple.

7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt Preparation Products And Raw materials

7-Hydroxy-8-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt C.I.27180 C.I.Acid Red 56 Cetil Fast Ponceau 6B Acid Red 56 C.I.Acid Red 56:C.I.27180 6226-77-3