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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

DDTs

DDT is the persistent insecticides, and very toxic to most of the biological systems as it persists in the environment and accumulates in food chains. (ref. ID; 483)

[DDT or p,p'-DDT]

= 1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane CAS[50-29-3], = 1,1-Bis(p-chlorophenyl)-2,2,2-trichloroethane, = p,p'-Dichlorodiphenyltrichloroethane

Trade name

DDT (J (Date registered 9/27/1948, Date registration annulled and marketing stopped 5/1/1971), I, B): Digmar, Genitox, Gesarol, Neocide

Chemical formula

C14H9Cl5

Chemical characteristics

Log P 5.8. (ref. ID; 507)
Octanol-water partition coefficient log Kow 5.8. (ref. ID; 6961)

Purpose for use

DDT are highly persistent insecticide.

Toxicity

LD50 (oral): rat (male) 113 mg/kg, (female) 118 mg/kg.
LD50 (oral): mouse 400 mg/kg.

Test organisms

Protozoa: Stylonychia notophora (ref. ID; 483)
Protozoa: Tetrahymena pyriformis (ref. ID; 7043)
Rotifera: Brachionus patulus (ref. ID; 779)
Oligochaeta: Eisenia foetida (ref. ID; 7012, 7162)
Oligochaeta: Limnodrilus hoffmeisteri (ref. ID; 507)
Oligochaeta: Lumbricus terrestris (ref. ID; 6952)
Oligochaeta: Tubifex tubifex (ref. ID; 507)
Oligochaeta: Community (ref. ID; 6961)

[2,4'-DDT] UN1920

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

[4,4'-DDT] UN1920

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

[o,p'-DDT] CAS[789-02-6] UN2761

Chemical formula

C14H9Cl5

Test organisms

Protozoa: Tetrahymena pyriformis (ref. ID; 7043)

===DDT metabolites===

[-DDD]

2,4'-DDD UN1920

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

4,4'-DDD UN1920

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

p,p'-DDD CAS[72-54-8] UN2811

= 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene

Chemical characteristics

Log P 5.69. (ref. ID; 507)

Test organisms

Protozoa: Tetrahymena pyriformis (ref. ID; 7043)
Oligochaeta: Eisenia fetida (ref. ID; 7162)
Oligochaeta: Limnodrilus hoffmeisteri (ref. ID; 507)
Oligochaeta: Tubifex tubifex (ref. ID; 507)

o,p'-DDD CAS[53-19-0] UN2588

Chemical fromula

C14H10Cl4

[-DDE]

4,4'-DDE

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

p,p'-DDE CAS[72-55-9] UN2588

= 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene

Chemical formula

C14H8Cl4

Chemical characteristics

Octanol-water partition coefficient log Kow 5.7. (ref. ID; 6961)

Test organisms

Protozoa: Tetrahymena pyriformis (ref. ID; 7043, 7162)
Oligochaeta: Eisenia fetida (ref. ID; 6748, 7162)
Oligochaeta: Limnodrilus hoffmeisteri (ref. ID; 6780)
Oligochaeta: Lumbricus terrestris (ref. ID; 6748)
Oligochaeta: Tubifex tubifex (ref. ID; 6780)
Oligochaeta: Community (ref. ID; 6961)

o,p'-DDE CAS[3424-82-6] UN2588

Chemical formula

C14H8Cl4

2,4'-DDE UN1920


[DDMU]

Test organisms

Protozoa: Tetrahymena pyriformis (ref. ID; 7043)