3,3'-Dichlorobenzidine

Product Name:3,3'-Dichlorobenzidine
CAS:91-94-1
MF:C12H10Cl2N2
MW:253.13
EINECS:202-109-0
Mol File:91-94-1.mol

3,3'-Dichlorobenzidine Chemical Properties
Melting point:132.5°C
Boiling point:398.89°C (rough estimate)
Density 1.3171 (rough estimate)
vapor pressure 4.2 x 10-7 at 25 °C (estimated, Howard, 1989)
refractive index 1.6400 (estimate)
Flash point:10 °C
storage temp. 2-8°C
solubility Soluble in ethanol, benzene, and glacial acetic acid (Windholz et al., 1983)
form neat
pka2.70±0.10(Predicted)
Henry's Law Constant4.5 x 10-8 atm?m3/mol at 25 °C (estimated, Howard, 1989)
Stability:Stable. Incompatible with strong oxidizing agents.
InChIKeyHUWXDEQWWKGHRV-UHFFFAOYSA-N
CAS DataBase Reference91-94-1(CAS DataBase Reference)
NIST Chemistry Reference[1,1'-Biphenyl]-4,4'-diamine, 3,3'-dichloro-(91-94-1)
EPA Substance Registry System3,3'-Dichlorobenzidine (91-94-1)
Safety Information
Hazard Codes T,N,F
Risk Statements 45-21-43-50/53-52/53-39/23/24/25-23/24/25-11-51/53
Safety Statements 53-45-60-61-36/37-16-7
RIDADR UN 3077 9/PG 3
WGK Germany 3
RTECS DD0550000
HazardClass IRRITANT
HS Code 29215900
Hazardous Substances Data91-94-1(Hazardous Substances Data)
ToxicityAcute oral LD50 for rats as free base or dihydrochloride are 7,070 and 3,820, respectively (Gerade and Gerade, 1974).