Benzene,1,1'-(2,2-dichloroethylidene)bis[4-chloro- cas no:72-54-8

NameBenzene,1,1'-(2,2-dichloroethylidene)bis[4-chloro-
CAS72-54-8
SynonymsEthane,1,1-dichloro-2,2-bis(p-chlorophenyl)- (8CI);1,1-Bis(4-chlorophenyl)-2,2-dichloroethane; 1,1-Bis(p-chlorophenyl)-2,2-dichloroethane;1,1-Dichloro-2,2-bis(4-chlorophenyl)ethane;1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane;2,2-Bis(4-chlorophenyl)-1,1-dichloroethane;2,2-Bis(p-chlorophenyl)-1,1-dichloroethane; 4,4'-DDD;4,4'-Dichlorodiphenyldichloroethane; 4,4'-TDE; DDD;Dichlorodiphenyldichloroethane; Dilene; ME 1700; NSC 8941; Rhothane; TDE;p,p'-DDD; p,p'-Dichlorodiphenyldichloroethane; p,p'-Dichlorodiphenylethylenedichloride; p,p'-TDE
EINECS(EC#)200-783-0
Molecular FormulaC14H10 Cl4
Molecular Weight320.04

Appearancecolourless to off-white crystals
storage tempAPPROX 4°C

Hazardclass6.1(b)

Hazard Toxic by ingestion, inhalation, and skin absorption; use restricted in some states.
Risk R23/24/25
Safety

Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Poison by ingestion. Moderately toxic by skin contact. Mutation data reported. An insecticide. When heated to decomposition it emits toxic fumes of Cl⁻. See also DDT.Safety information of 1,1'-(2,2-Dichlor-1,1-ethandiyl)bis(4-chlorbenzol) (72-54-8):
Hazard Codes  T,N,F
Risk Statements 
21  Harmful in contact with skin
25  Toxic if swallowed
40  Limited evidence of a carcinogenic effect
50/53  Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
39/23/24/25  Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
11  Highly Flammable
52  Harmful to aquatic organisms 
Safety Statements 
36/37  Wear suitable protective clothing and gloves
45  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
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
16  Keep away from sources of ignition - No smoking
7  Keep container tightly closed
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  KI0700000
HazardClass  6.1(b)
PackingGroup  III

1.		cyt-rat:oth 10 µg/L		34LXAP    Insecticide Biochemistry and Physiology Wilkinson, C.F., ed.,New York, NY.: Plenum,1976555.
2.		otr-mus:emb 28,400 nmol/L		JNCIAM    Journal of the National Cancer Institute. 54 (1975),981.
3.		orl-rat LD50:113 mg/kg		GUCHAZ    Guide to the Chemicals Used in Crop Protection 6 (1973),154.
4.		orl-mus LDLo:600 mg/kg		JPETAB    Journal of Pharmacology and Experimental Therapeutics. 88 (1946),400.
5.		skn-rbt LD50:1200 mg/kg		AFDOAQ    Association of Food and Drug Officials of the United States, Quarterly Bulletin. 16 (1952),3.