Benzene,1,1'-(2,2-dichloroethylidene)bis[4-ethyl- cas no:72-56-0

NameBenzene,1,1'-(2,2-dichloroethylidene)bis[4-ethyl-
CAS72-56-0
SynonymsEthane,1,1-dichloro-2,2-bis(p-ethylphenyl)- (8CI);1,1-Bis(p-ethylphenyl)-2,2-dichloroethane; 1,1-Dichloro-2,2-bis(4-ethylphenyl)ethane;1,1-Dichloro-2,2-bis(p-ethylphenyl)ethane;2,2-Bis(p-ethylphenyl)-1,1-dichloroethane;2,2-Dichloro-1,1-bis(p-ethylphenyl)ethane; Di(p-ethylphenyl)dichloroethane; ENT17082; Ethylan; Ethylan (insecticide); Perthane; Q 137; p,p'-Perthane
EINECS(EC#)200-785-1
Molecular FormulaC18H20 Cl2
Molecular Weight307.28

refractive index1.56
storage temp0-6°C

Hazardclass6.1(b)

Hazard N: Dangerous for the environment;
Risk 50/53
Safety

Poison by intravenous route. Mildly toxic by ingestion. Questionable carcinogen with experimental carcinogenic and tumorigenic data. Experimental teratogenic and reproductive effects. Mutation data reported. A pesticide. When heated to decomposition it emits toxic fumes of Cl⁻. See also CHLORINATED HYDROCARBONS, ALIPHATIC.
Safety Information of Diethyl-diphenyl dichloroethane (CAS NO.72-56-0):
Hazard Codes: N
Risk Statements: 50/53 
50:  Very Toxic to aquatic organisms
53:  May cause long-term adverse effects in the aquatic environment 
Safety Statements: 60-61
60:  This material and/or its container must be disposed of as hazardous waste 
61:  Avoid release to the environment. Refer to special instructions safety data sheet 

1.		mma-sat 333 µg/plate		NTPTB*    NTP Technical Bulletin. (National Toxicology Program, Landow Bldg. 3A-06, 7910 Woodmont Ave., Bethesda, MD 20205) APR 82 .
2.		orl-rat LD50:6600 mg/kg		SPEADM    Special Publication of the Entomological Society of America. 78-1 (1978).16.
3.		ivn-rat LD50:73 mg/kg		AIPTAK    Archives Internationales de Pharmacodynamie et de Therapie. 103 (1955),404.
4.		orl-mus LD50:6600 mg/kg		31ZOAD    Pesticide Manual. 1 (1968),142.
5.		ivn-mus LD50:173 mg/kg		AIPTAK    Archives Internationales de Pharmacodynamie et de Therapie. 103 (1955),404.
6.		orl-bwd LD50:9000 mg/kg		DOEAAH    Down to Earth. A Review of Agricultural Chemical Progress. 35 (1979),25.