disodium 7-amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]azo]naphthalene-2-sulphonate

CAS No.
6227-07-2
Chemical Name:
disodium 7-amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]azo]naphthalene-2-sulphonate
Synonyms
C.I.27760;Direct Violet 16;C.I.Direct Violet 16;Paper Fast Bordeaux B;C.I.Direct Violet 16:C.I.27760;disodium 7-amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]azo]naphthalene-2-sulphonate;2-Amino-5-hydroxy-6-[[2,5-dimethyl-4-[(2-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1,7-disulfonic acid disodium salt;disodium,7-amino-4-oxo-3-[[5-oxo-6-(phenylhydrazinylidene)-7-sulfonatonaphthalen-2-yl]hydrazinylidene]naphthalene-2-sulfonate
CBNumber:
CB3923362
Molecular Formula:
C26H17N5Na2O8S2
Molecular Weight:
637.55142
MDL Number:
MOL File:
6227-07-2.mol

disodium 7-amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]azo]naphthalene-2-sulphonate Chemical Properties,Uses,Production

Preparation

2-Aminobenzenesulfonic acid diazo, and?2,5-Dimethylbenzenamine coupling, its product to diazo, and 2-Amino-5-hydroxynaphthalene-1,7-disulfonic acid coupling.

Properties and Applications

red light purple. Soluble in water and ethanol for product red. The strong sulfuric acid for green light blue, for purple diluted. The dye solution to join strong hydrochloric acid have purplish red precipitate; Add thick sodium hydroxide solution for Red sauce.

disodium 7-amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]azo]naphthalene-2-sulphonate Preparation Products And Raw materials

disodium 7-amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]azo]naphthalene-2-sulphonate 2-Amino-5-hydroxy-6-[[2,5-dimethyl-4-[(2-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1,7-disulfonic acid disodium salt C.I.27760 C.I.Direct Violet 16 Paper Fast Bordeaux B disodium,7-amino-4-oxo-3-[[5-oxo-6-(phenylhydrazinylidene)-7-sulfonatonaphthalen-2-yl]hydrazinylidene]naphthalene-2-sulfonate C.I.Direct Violet 16:C.I.27760 Direct Violet 16 6227-07-2