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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Cyclic diene insecticide (= drin insecticide)

[Aldrin] CAS[309-00-2] UN1230

= 1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a-hexahydro-exo-1,4-endo-5,8-dimethanonaphthalene

Trade name

Aldrin (J (Date registered 6/3/1954, Date registration annulled 2/19/1975), I, B): Aldrex, Aldrite, Compound-118, Octalene

Chemical formula

C12H8Cl6

Purpose for use

Cyclic diene insecticide.

Toxicity

LD50 (oral): rat 67 mg/kg, mouse 44 mg/kg.

Test organisms

Protozoa: Acanthamoeba castellanii (ref. ID; 946)
Protozoa: Colpidium campylum (ref. ID; 6784)

[Dieldrin] CAS[60-57-1] UN2761

= 1,2,3,4,10,10-Hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-exo-1,4-endo-5,8-dimethanonaphthalene

Trade name

Dieldrin (J (Date registered 6/3/1954, Date registration annulled 8/7/1973), I, B): HEOD, Mastas, Knock-down, Octalox, Panoram

Chemical formula

C12H8Cl6O

Purpose for use

Dieldrin are highly persistent insecticide.

Effect for environments

Estrogen mimicker.

Toxicity

LD50 (oral): rat 46 mg/kg, mouse 38 mg/kg.

Test organisms

Protozoa: Acanthamoeba castellanii (ref. ID; 946)
Protozoa: Colpidium campylum (ref. ID; 6784)
Protozoa: Tetrahymena pyriformis (ref. ID; 6097)
Oligochaeta: Eisenia fetida (ref. ID; 7162, 7163)
Oligochaeta: Eudrilus eugeniae (ref. ID; 2173)
Nematoda: Panagrellus redivivus (ref. ID; 6957)

[Endosulfan]

= 6,7,8,9,10,10-Hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,8-benzodioxathiepin-3-oxide

Trade name

Endosulfan (J, I, A, B): Afidan, Benzoepin (J Date registered 12/3/1960), Beosit, Cyclodan, Malix, Thiodan

Chemical formula

C9H6Cl6O3S

Purpose for use

Cyclic diene insecticide.

Toxicity

LD50 (oral): rat 80-100 mg/kg, mouse 40-60 mg/kg.

Test organisms

Rotifera: Brachionus calyciflorus (ref. ID; 111)
Oligochaeta: Eisenia fetida (ref. ID; 6074, 7012)
Oligochaeta: Perionyx excavatus (ref. ID; 7085)
Oligochaeta: Soil-dwelling community (ref. ID; 6071)

alpha Endosulfan

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

beta Endosulfan

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

[Endrin] CAS[72-20-8] UN2761

= 1,2,3,4,10,10-Hexachloro-1,4,4a,5,6,7,8,8a-octahydro-6,7-epoxy-1,4:5,8-dimethanonaphthalene

Trade name

Endrin (J (Date registered 6/3/1954, Date registration annulled 12/18/1975), I, B): Mendrin, Nendrin

Chemical formula

C12H8Cl6O

Purpose for use

Cyclic diene insecticide.

Toxicity

LD50 (oral): rat 7.5-17.5 mg/kg.

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)
Oligochaeta: Limnodrilus hoffmeisteri (ref. ID; 7007)
Oligochaeta: Stylodrilus heringianus (ref. ID; 7007)

[Heptachlor] CAS[76-44-8] UN 1920

= 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene

Trade name

Heptachlor (J (Date registered 4/24/1957, Date registration annulled 8/9/1972), I, B): Drinox

Chemical formula

C10H5Cl7

Purpose for use

Cyclic diene insecticide.

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

[Heptachlorepoxid]

= 1,4,5,6,7,8,8-Heptachloro-2,3,3a,4,7,7a-hexahydro-4,7-methanoindene[2,3-b]oxirane

Trade name

Heptachlorepoxid = Heptachlor epoxide?

Purpose for use

Cyclic diene insecticide.

Test organisms

Protozoa: Colpidium campylum (ref. ID; 6784)

[Toxaphene] CAS[8001-35-2] UN2588

Chemical formula

C10H10Cl8

Purpose for use

Insecticide.

Effect for environment

Estrogen mimicker.

Test organisms

Nematoda: Panagrellus redivivus (ref. ID; 6957)

[Isodrin]

= 1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a-hexahydro-exo-1,4-endo-5,8-dimethanonaphthalene: Isomer CAS[465-73-6]

Trade name

Isodrin (A, B): Comp-711

Chemical formula

C12H8Cl6O

Purpose for use

Cyclic diene insecticide.

Toxicity

LD50 (oral): rat 12-17 mg/kg.