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HomeProduct name list1-AMINO-8-NAPHTHOL-4-SULFONIC ACID

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

  • CAS NO.:83-64-7
  • Empirical Formula: C10H9NO4S
  • Molecular Weight: 239.25
  • MDL number: MFCD00003992
  • EINECS: 201-491-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-11-06 15:10:18
1-AMINO-8-NAPHTHOL-4-SULFONIC ACID Structural

What is 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID?

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.

The Uses of 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID

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

The Uses of 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID

Azo dye intermediate.

The Uses of 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID

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.

What are the applications of Application

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

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

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)

Safety information for 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID

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