2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt

Product Name
2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt
CAS No.
6222-54-4
Chemical Name
2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt
Synonyms
Acid Brown 91;C.I.Acid Brown 91:C.I.17550;2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt
CBNumber
CB24755072
Molecular Formula
C18H15N3Na2O7S2
Formula Weight
495.43714
MOL File
6222-54-4.mol
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2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt Chemical Properties,Usage,Production

Preparation

(4-Aminophenyl)methanesulfonic acid??diazo, in alkaline conditions and 4-Hydroxy-6-(methylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications

Dark time Soluble in water and ethanol is brown. The strong sulfuric acid for dark orange-red, diluted into palm orange. In water solution to join strong hydrochloric acid for olive brown; Add thick sodium hydroxide solution by red brown into wine red.

2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt Suppliers

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6222-54-4, 2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium saltRelated Search:

Acid brown 97 disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate C.I. Acid Brown 92 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxyphenyl)azo]-6-[(2-sulfoethyl)amino]-, disodium salt 6-Amino-4-hydroxy-3-[[4-(sulfomethyl)phenyl]azo]-2-naphthalenesulfonic acid disodium salt ACID BROWN85 (C.I. 34900) Cuprate(2-), [4-(hydroxy-κO)-3-[[2-(hydroxy-κO)-5-sulfophenyl]azo-κN1]-6-(phenylamino)-2-naphthalenesulfonato(4-)]-, disodium 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt C.I. Acid Brown 87

  • 2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt
  • C.I.Acid Brown 91:C.I.17550
  • Acid Brown 91
  • 6222-54-4