p,p′-DDE
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p,p′-DDE
structure -
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CAS No:
72-55-9
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Formula:
C14H8Cl4
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Chemical Name:
p,p′-DDE
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Synonyms:
Benzene,1,1′-(2,2-dichloroethenylidene)bis[4-chloro-;Ethylene,1,1-dichloro-2,2-bis(p-chlorophenyl)-;Benzene,1,1′-(dichloroethenylidene)bis[4-chloro-;1,1′-(2,2-Dichloroethenylidene)bis[4-chlorobenzene];1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene;DDE;p,p′-DDE;p,p′-Dichlorodiphenyldichloroethylene;1,1-Dichloro-2,2-di(p-chlorophenyl)ethylene;4,4′-DDE;2,2-Bis(4-chlorophenyl)-1,1-dichloroethylene;1,1-Bis(p-chlorophenyl)-2,2-dichloroethylene;2,2-Dichloro-1,1-bis(4-chlorophenyl)ethylene;4,4′-Dichlorodiphenyldichloroethylene;1,1-Bis(4-chlorophenyl)-2,2-dichloroethene;NSC 1153;2,2-Di(p-chlorophenyl)-1,1-dichloroethylene;1,1′-Dichloro-2,2-bis(4-chlorophenyl)ethane;2,2-Bis(4-chlorophenyl)-1,1-dichloroethene;1-Chloro-4-[2,2-dichloro-1-(4-chlorophenyl)ethenyl]benzene
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CAS No:
Characteristics
0
6.37
P,p'-dde appears as white crystalline solid or white powder. (NTP, 1992)
1.4±0.1 g/cm3
89 °C
336 °C
183.7±23.9 °C
1.622
292mg/L(25 ºC)
PRECAUTIONS FOR "CARCINOGENS": Storage site should be as close as practicable to lab in which carcinogens are to be used, so that only small quantities required for ... expt need to be carried. Carcinogens should be kept in only one section of cupboard, an explosion-proof refrigerator or freezer (depending on chemicophysical properties ...) that bears appropriate label. An inventory ... should be kept, showing quantity of carcinogen & date it was acquired ... Facilities for dispensing ... should
13 at 30 °C (Wescott et al., 1981)
Acute oral LD50 for rats 880 mg/kg (RTECS, 1985).
Safety Information
UN 3077 9/PG 3
3
R22;R33
36/37-60-61-45-16-7-62
KV9450000
Xn:Harmful;
Stable, but light-sensitive. Incompatible with strong bases, strong oxidizing agents.
P210-P260-P273-P280-P301 + P310-P311
H225-H301 + H311 + H331-H370-H411
p,p′-DDE Use and Manufacturing
Military product; chemical research. Degradation product of p,p′-DDT.