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2,5-Diaminobenzenesulfonic acid

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2,5-Diaminobenzenesulfonic acid Basic information

Product Name:
2,5-Diaminobenzenesulfonic acid
Synonyms:
  • 1,4-PHENYLENEDIAMINE-2-SULPHONIC ACID
  • 1,4-PHENYLENEDIAMINE-3-SULFONIC ACID
  • 1,4 DIAMINOBENZENE 2 SULFONIC ACID
  • 2,5-DIAMINOBENZENESULFONIC ACID
  • 2,5-DiaMinobenzenesulfonic acid, 97%, contains <10% Monohydrochloride salt
  • 1,4-Diamino-2-benzenesulfonic acid
  • 2,5-Diaminophenyl-1-sulfonic acid
  • 2,5-Diaminobenzene-1-sulfonic acid
CAS:
88-45-9
MF:
C6H8N2O3S
MW:
188.2
EINECS:
201-832-9
Product Categories:
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acids
  • Intermediates of Dyes and Pigments
  • Sulfur Compounds
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acids
  • Sulfur Compounds
Mol File:
88-45-9.mol
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2,5-Diaminobenzenesulfonic acid Chemical Properties

Melting point:
298-300 °C (dec.) (lit.)
Boiling point:
500°C
Density 
1.366 (estimate)
vapor pressure 
0Pa at 25℃
refractive index 
1.6490 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
2.308g/L in organic solvents at 20 ℃
pka
5.17±0.10(Predicted)
form 
solid
color 
White to Light gray to Light orange
Water Solubility 
4g/L at 26℃
BRN 
2970398
LogP
0.146 at 26℃
CAS DataBase Reference
88-45-9(CAS DataBase Reference)
EPA Substance Registry System
Benzenesulfonic acid, 2,5-diamino- (88-45-9)
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Safety Information

Hazard Codes 
C,Xi
Risk Statements 
34-36/37/38
Safety Statements 
26-36/37/39-45-36
RIDADR 
UN 2583 8/PG 2
WGK Germany 
2
RTECS 
DB5900100
HS Code 
2921.59.8090
HazardClass 
8
PackingGroup 
III

MSDS

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2,5-Diaminobenzenesulfonic acid Usage And Synthesis

Chemical Properties

violet powder

Uses

2,5-Diaminobenzenesulfonic acid was used in preparation of a polymeric dye, required for laccase-mediated dyeing of cotton.

General Description

2,5-Diaminobenzenesulfonic acid is a dye precursor. Electrochemical copolymerization of 2,5-diaminobenzensulfonic acid and aniline by cyclic voltammetry on IrO2 coated titanium electrodes was reported.

Flammability and Explosibility

Non flammable

2,5-Diaminobenzenesulfonic acid Preparation Products And Raw materials

Preparation Products

2,5-Diaminobenzenesulfonic acidSupplier

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