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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
pka -1.85±0.50(Predicted)
form  Powder
color  Dark purple
Water Solubility  <0.1 g/100 mL at 20 ºC
InChI InChI=1S/C12H12N2O6S2/c13-7-1-3-9(11(5-7)21(15,16)17)10-4-2-8(14)6-12(10)22(18,19)20/h1-6H,13-14H2,(H,15,16,17)(H,18,19,20)
InChIKey MBJAPGAZEWPEFB-UHFFFAOYSA-N
SMILES C1(C2=CC=C(N)C=C2S(O)(=O)=O)=CC=C(N)C=C1S(O)(=O)=O
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  TSCA listed
HS Code  29215900
Toxicity eye-rbt 500 mg/24H SEV 28ZPAK -,191,72

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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