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2,5-Diaminobenzenesulfonic acid Structure

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)

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


Usage And Synthesis

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