Basic information Safety Related Supplier
2,2'-Benzidinedisulfonic acid Structure

2,2'-Benzidinedisulfonic acid

Chemical Properties

Melting point 175°C
Boiling point 638.25℃[at 101 325 Pa]
Density  1.5417 (rough estimate)
vapor pressure  0Pa at 25℃
refractive index  1.6510 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
form  Powder
pka -1.85±0.50(Predicted)
color  Dark purple
Water Solubility  <0.1 g/100 mL at 20 ºC
LogP 1.102 at 24℃
CAS DataBase Reference 117-61-3(CAS DataBase Reference)
EPA Substance Registry System [1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-diamino- (117-61-3)

Safety Information

Hazard Codes  Xi
Risk Statements  20/21/22-37/38-36-36/37/38
Safety Statements  22-26-36-60-37
RTECS  DV5230000
TSCA  Yes
HS Code  29215900
Toxicity eye-rbt 500 mg/24H SEV 28ZPAK -,191,72

MSDS

Usage And Synthesis

2,2'-Benzidinedisulfonic acid Supplier

2,2'-Benzidinedisulfonic acid manufacturers