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1-Aminonaphthalene-6-sulfonic acid

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1-Aminonaphthalene-6-sulfonic acid Basic information

Product Name:
1-Aminonaphthalene-6-sulfonic acid
Synonyms:
  • 1,6-CLEVES ACID
  • 1,6-CLEVE'S ACID
  • 1-amino-6-naphthalenesulfonic acid
  • 1-Naphthalene -6-sulfonic acid
  • 1-naphthylamine-6-sulfonic
  • 2-Naphthalenesulfonic acid, 5-amino-
  • 2-Naphthalenesulfonicacid,5-amino-
  • 5-amino-2-naphthalenesulfonicaci
CAS:
119-79-9
MF:
C10H9NO3S
MW:
223.25
EINECS:
204-351-2
Product Categories:
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acids
  • Sulfur Compounds
  • Amines
  • Aromatics
  • Fluorescent Labels & Indicators
  • Intermediates of Dyes and Pigments
  • Organics
Mol File:
119-79-9.mol
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1-Aminonaphthalene-6-sulfonic acid Chemical Properties

Melting point:
>300°C
Density 
1.3588 (rough estimate)
refractive index 
1.6500 (estimate)
storage temp. 
Refrigerator
solubility 
soluble100mg/mL, clear, brown (1N NH4OH)
pka
pK1: 3.80 (25°C)
form 
Solid
color 
Purple
Water Solubility 
1g/L(16 ºC)
Merck 
14,2350
BRN 
1819887
CAS DataBase Reference
119-79-9(CAS DataBase Reference)
NIST Chemistry Reference
1-Naphthylamine-6-sulfonic acid(119-79-9)
EPA Substance Registry System
2-Naphthalenesulfonic acid, 5-amino- (119-79-9)
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
26-36/37/39-24/25
RIDADR 
1759
WGK Germany 
1
RTECS 
QK1285000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29309090

MSDS

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1-Aminonaphthalene-6-sulfonic acid Usage And Synthesis

Chemical Properties

Purple Solid

Uses

Intermediate of dyestuff

Uses

Fluorescent reagent.

Uses

5-Amino-2-naphthalenesulfonic acid (1,6-Cleve′s acid) was used in the synthesis of nitrate reductase and detection of nitrate reduction by anaerobic bacteria.

General Description

The crystal structure of 5-amino-2-naphthalenesulfonic acid (1,6-Cleve′s acid) depicted the presence of a sulfonate-aminium group zwitterion.

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