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ChemicalBook >  Product Catalog >  Organic Chemistry >  Amides >  Sulfonic acids amino compound >  4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID

4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID

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4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID Basic information

Product Name:
4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID
Synonyms:
  • 4,4'-Bis(4-amino-1-naphtylazo)stilbene-2,2'-disulfonic acid
  • 2,2'-(1,2-Ethenediyl)bis[5-[2-(4-aMino-1-naphthalenyl)diazenyl]benzenesulfonic Acid
  • NSC 5067
  • [Indicator for Organic Acid Anhydrides by Morpholine Method]
  • 4,4'-Bis(4-aMino-1-naphthylazo)-2,2'-stilbenesulfonic Acid 
  • 2,2’-(1,2-ethenediyl)bis[5-[(4-amino-1-naphthalenyl)azo]-benzenesulfonicaci
  • 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID
  • 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENESULFONIC ACID
CAS:
5463-64-9
MF:
C34H26N6O6S2
MW:
678.74
EINECS:
226-754-2
Product Categories:
  • Organics
  • Pharmaceuticals
  • Stilbenes
  • Amines
  • Fluorescent Labels & Indicators
  • Sulfur & Selenium Compounds
  • Intermediates & Fine Chemicals
Mol File:
5463-64-9.mol
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4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID Chemical Properties

Melting point:
>300°C
Density 
1.2173 (rough estimate)
refractive index 
1.7000 (estimate)
storage temp. 
Hygroscopic, Refrigerator, Under Inert Atmosphere
solubility 
Basic Methanol (Slightly), DMSO (Slightly, Heated)
form 
Solid
pka
-1.33±0.50(Predicted)
Colour Index 
24860
color 
Black
Stability:
Hygroscopic
EPA Substance Registry System
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[(4-amino-1-naphthalenyl)azo]- (5463-64-9)
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
24/25
HS Code 
29270000

MSDS

  • Language:English Provider:ACROS
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4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID Usage And Synthesis

Chemical Properties

DARK COLORED CRYSTALS WITH A GREEN SHEEN

Uses

A new indicator for the determination of organic acid anhydrides by the morpholine method.

4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACIDSupplier

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