Benzene,1,1'-(2,2-dichloroethenylidene)bis[4-chloro- cas no:72-55-9

NameBenzene,1,1'-(2,2-dichloroethenylidene)bis[4-chloro-
CAS72-55-9
SynonymsBenzene,1,1'-(dichloroethenylidene)bis[4-chloro- (9CI); Ethylene,1,1-dichloro-2,2-bis(p-chlorophenyl)- (7CI,8CI);1,1-Bis(4-chlorophenyl)-2,2-dichloroethene;1,1-Bis(p-chlorophenyl)-2,2-dichloroethylene;1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene;1,1-Dichloro-2,2-di(p-chlorophenyl)ethylene;2,2-Bis(4-chlorophenyl)-1,1-dichloroethylene; 2,2-Dichloro-1,1-bis(4-chlorophenyl)ethylene;4,4'-DDE; 4,4'-Dichlorodiphenyldichloroethylene; DDE; NSC 1153; p,p'-DDE;p,p'-Dichlorodiphenyldichloroethylene
EINECS(EC#)200-784-6
Molecular FormulaC14H8 Cl4
Molecular Weight318.02

storage tempAPPROX 4°C

Hazard  Xn:Harmful;
Risk R22;R33
Safety

Safety Information of DDE (CAS NO.72-55-9):
Hazard Codes: Xn, N, T, F
Risk Statements: 22-40-50/53-52/53-39/23/24/25-23/24/25-11-67-65-38
R22: Harmful if swallowed
R40: Limited evidence of a carcinogenic effect
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R52/53: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R23/24/25: Toxic by inhalation, in contact with skin and if swallowed
R11: Highly flammable
R67: Vapours may cause drowsiness and dizziness
R65: Harmful: may cause lung damage if swallowed
R38: Irritating to skin
Safety Statements: 36/37-60-61-45-16-7-62
S36/37: Wear suitable protective clothing and gloves
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
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S16: Keep away from sources of ignition
S7: Keep container tightly closed
S62: If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label
RIDADR: UN 3077 9/PG 3
WGK Germany: 3
RTECS: KV9450000
Suspected carcinogen with experimental carcinogenic and neoplastigenic data. Poison by ingestion. Experimental reproductive effects. Mutation data reported. An insecticide. When heated to decomposition it emits very toxic fumes of Cl⁻. See also CHLORINATED HYDROCARBONS, ALIPHATIC.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
hamster	LD50	oral	> 5gm/kg (5000mg/kg)		Laboratory Animal Science. Vol. 26, Pg. 274, 1976.
mouse	LD50	oral	700mg/kg (700mg/kg)		Journal of Pharmacology and Experimental Therapeutics. Vol. 88, Pg. 400, 1946.
rat	LD50	oral	880mg/kg (880mg/kg)		Toxicology and Applied Pharmacology. Vol. 14, Pg. 515, 1969.