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7-Amino-1,3-naphthalenedisulfonic acid

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7-Amino-1,3-naphthalenedisulfonic acid Basic information

Product Name:
7-Amino-1,3-naphthalenedisulfonic acid
Synonyms:
  • 7-amino-3-naphthalenedisulfonicacid
  • AMINO K ACID
  • K-ACID
  • 7-aminonaphthalene-1,3-disulphonic acid
  • 2-NAPHTHYLAMINE-6,8-DISULFONIC ACID (AMINO G SALT)
  • 7-aminonaphthalene-1,3-disulfonic acid
  • 1,3-Disulfo-7-naphthylamine
  • 7-Amino-1,3-naphthalenedisulfonic acid, tech.
CAS:
86-65-7
MF:
C10H9NO6S2
MW:
303.31
EINECS:
201-689-2
Product Categories:
  • Intermediates of Dyes and Pigments
  • Anilines, Aromatic Amines and Nitro Compounds
Mol File:
86-65-7.mol
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7-Amino-1,3-naphthalenedisulfonic acid Chemical Properties

Melting point:
300°C
Density 
1.6329 (rough estimate)
refractive index 
1.7330 (estimate)
pka
-0.93±0.40(Predicted)
form 
Powder or Needles
color 
Off-white to beige-green to light brown
Water Solubility 
soluble
CAS DataBase Reference
86-65-7(CAS DataBase Reference)
EPA Substance Registry System
1,3-Naphthalenedisulfonic acid, 7-amino- (86-65-7)
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Safety Information

Hazard Codes 
C
Risk Statements 
34
Safety Statements 
26-28A
RIDADR 
1759
HazardClass 
8
PackingGroup 
III
HS Code 
29214900

MSDS

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7-Amino-1,3-naphthalenedisulfonic acid Usage And Synthesis

Chemical Properties

off-white to beige-green to light brown

Uses

Azo dye intermediate.

Safety Profile

Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits toxic fumes of NOx and SOx.

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