disodium 7-amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]azo]naphthalene-2-sulphonate CAS#: 6227-07-2

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

Basic information Safety Supplier Related

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

Product Name:

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

Synonyms:

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

CAS:

6227-07-2

MF:

C26H17N5Na2O8S2

MW:

637.55142

EINECS:

612-990-7

Mol File:

6227-07-2.mol

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

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 Supplier

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