3,4-Diaminobenzenesulfonic acid

Names

[ Name ]:
3,4-Diaminobenzenesulfonic acid

[Synonym ]:
3,4-diaminophenylsulfonic acid
m-sulfophenylenediamine
Phenylendiamin-(1.2)-sulfonsaeure-(4)
3,4-Diamino-benzolsulfonsaeure
EINECS 203-672-5
MFCD00270799
3,4-diamino-benzenesulfonic acid
o-phenylenediamine sulfonate
Benzenesulfonic acid,3,4-diamino
3,4-Diaminobenzenesulphonic acid

Chemical & Physical Properties

[ Density]:
1.611g/cm3

[ Boiling Point ]:
178-179 °C3 mm Hg(lit.)

[ Melting Point ]:
-12ºC

[ Molecular Formula ]:
C₆H₈N₂O₃S

[ Molecular Weight ]:
188.20400

[ Flash Point ]:
>230 °F

[ Exact Mass ]:
188.02600

[ PSA ]:
114.79000

[ LogP ]:
2.34090

[ Index of Refraction ]:
n20/D 1.441(lit.)

[ Storage condition ]:
-20°C

[ Water Solubility ]:
hexane, toluene, ethanol and acetone: soluble

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36

[ WGK Germany ]:
1

[ RTECS ]:
VS1150000

[ HS Code ]:
2921420090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2921420090

[ Summary ]:
HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%