1,1'-Biphenyl,3,3'-dichloro- cas no:2050-67-1

Name1,1'-Biphenyl,3,3'-dichloro-
CAS2050-67-1
SynonymsBiphenyl,3,3'-dichloro- (6CI,7CI,8CI); 3,3'-DCB; 3,3'-Dichloro-1,1'-biphenyl;3,3'-Dichlorobiphenyl; 3,3'-Dichlorodiphenyl; PCB 11; m,m'-Dichlorobiphenyl
Molecular FormulaC12H8 Cl2
Molecular Weight223.10

refractive index1.594

Hazard A poison by ingestion.
Risk R33
Safety

A poison by ingestion. When heated to decomposition it emits toxic vapors of Cl⁻.
Safety Information of 3,3'-Dichlorobiphenyl (CAS NO.2050-67-1):
Hazard Codes: N 
Risk Statements: 33-50/53
R33: Danger of cumulative effects. 
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 35-60-61
S35: This material and its container must be disposed of in a safe way. 
S60: This material and its container must be disposed of as hazardous waste. 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 2315 9/PG 2
RTECS: DV3911000

1.

ipr-rat TDLo:160 mg/kg

RCOCB8    Research Communications in Chemical Pathology and Pharmacology. 9 (1974),85.