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1-AMINO-8-NAPHTHOL-4-SULFONIC ACID

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1-AMINO-8-NAPHTHOL-4-SULFONIC ACID Basic information

Product Name:
1-AMINO-8-NAPHTHOL-4-SULFONIC ACID
Synonyms:
  • 4-amino-5-hydroxy-1-naphthalenesulfonicaci
  • 4-Amino-5-hydroxynaphthalene-1-sulfonicacid
  • 4-AMINO-5-HYDROXY-1-NAPHTHALENESULFONIC ACID, TECH., 90%
  • 8-AMINO-1-NAPHTHOL-5-SULFONIC ACIDPRACTI CAL GRADE
  • 4-Amino-5-Hydroxynaphthalene-1-Shlfonic Acid
  • 8-Amino-1-naphthol-5-sulfonic acid, tech., 96%
  • 1-AMINO-8-NAPTHOL-4-SULFONIC ACID
  • 8-Amino-1-naphthol-5-sulfonic acid,96%,tech.
CAS:
83-64-7
MF:
C10H9NO4S
MW:
239.25
EINECS:
201-491-6
Product Categories:
  • Intermediates of Dyes and Pigments
Mol File:
83-64-7.mol
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1-AMINO-8-NAPHTHOL-4-SULFONIC ACID Chemical Properties

Density 
1.4338 (rough estimate)
refractive index 
1.6500 (estimate)
storage temp. 
-20°C Freezer, Under inert atmosphere
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
color 
Dark Brown
CAS DataBase Reference
83-64-7(CAS DataBase Reference)
EPA Substance Registry System
1-Naphthalenesulfonic acid, 4-amino-5-hydroxy- (83-64-7)
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Safety Information

Hazard Codes 
C
Risk Statements 
34
Safety Statements 
26-27-36/37/39-45
RIDADR 
UN 2583 8/PG 2
WGK Germany 
2
RTECS 
QK1295000

MSDS

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1-AMINO-8-NAPHTHOL-4-SULFONIC ACID Usage And Synthesis

Chemical Properties

GREY POWDER. 1-Amino-8-hydroxynaphthalene-4-sulfonic acid [83-64-7]. (4-amino-5-hydroxynaphthalene-1-sulfonic acid), S acid, C10H9NO4S, Mr 239.2, is only sparingly soluble in hot water. Reaction with bisulfite gives 4,5-dihydroxynaphthalene-1-sulfonic acid. Diazo compounds couple under acid conditions a to the amino group and under alkaline conditions a to the hydroxy group; bisazo derivatives can be obtained.

Uses

1-Amino-8-naphthol-4-sulfonic Acid is used in the synthesis of dye compounds.

Uses

The S acid and its acetyl derivative are used as azo coupling components in e.g., C.I. Mordant Green 14, C.I. Mordant Blue 7, and C.I. Direct Green 39.

Uses

Azo dye intermediate.

1-AMINO-8-NAPHTHOL-4-SULFONIC ACID Preparation Products And Raw materials

Preparation Products

Raw materials

1-AMINO-8-NAPHTHOL-4-SULFONIC ACIDSupplier

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