Organophosphorus insecticides

[Acephate] CAS[30560-19-1]
= O,S-dimethyl N-acetylphosphoramidothioate
Trade name; Acephate (J Date registered 10/30/1973, I, A, B): Orthene, Ortran, Tornado
Chemical formula; C4H10NO3PS
Purpose for use; Organophosphorus insecticide.
Test organisms;
Oligochaeta: Eisenia foetida (ref. ID; 7012)
Oligochaeta: Lumbricus terrestris (ref. ID; 6904)


[Azinphos-ethyl] CAS[2642-71-9]
= S-(3,4-Dihydro-4-oxobenzo[d]-1,2,3-tri-azixin-3-ylmethyl) O,O-diethyl phosphorodithioate
Trade name; Azinphos-ethyl (I, B): Cotonion-ethyl, Ethyl Guthion, Gusathion A, Triazotion
Chemical formula; C12H16N3O3PS2
Purpose for use; Insecticide.
Toxicity; LD50 (oral): rat (male) 17.5 mg/kg, (female) 12.5 mg/kg
Test organisms;
Protozoa: Colpidium campylum (ref. ID; 6784)

[Azinphos-methyl] CAS[86-50-0] UN2783
= S-(3,4-Dihydro-4-oxobenzo[d]-1,2,3-tri-azixin-3-ylmethyl) O,O-dimethyl phosphorodithioate
Trade name; Azinphos-methyl (I, B): Cotonion-methyl, Gusathion-M, Guthion
Chemical formula; C10H12N3O3PS2
Purpose for use; Insecticide.
Toxicity; LD50 (oral): rat (female) 16.4 mg/kg
Test organisms;
Protozoa: Colpidium campylum (ref. ID; 6784)
Oligochaeta: Aporrectodea caliginosa (ref. ID; 6072)
Oligochaeta: Eisenia fetida (ref. ID; 6074, 7012)


[Chlorpyrifos] CAS[2921-88-2] UN2783
= O,O-Diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate
= O-3,5,6-Trichloro-2-pyridyl O,O-diethyl phosphorothioate
Trade name; Chlorpyrifos (J Date registered 5/4/1971, I, A, B): Dursban, Lorsban
Chemical formula; C9H11Cl3NO3PS
Purpose for use; Organophosphate insecticide.
3Mode of action; Acetylcholinesterase inhibitor (ref. ID; 6758)
Toxicity; LD50 (oral): rat (male) 163 mg/kg, (female) 135 mg/kg, mouse 70 mg/kg
Test organisms;
Rotifera: Brachionus calyciflorus (ref. ID; 121, 127, 128, 2168)
Rotifera: Brachionus plicatilis (ref. ID; 128)
Oligochaeta: Aporrectodea caliginosa (ref. ID; 505)
Oligochaeta: Aporrectodea longa (ref. ID; 505)
Oligochaeta: Eisenia andrei (ref. ID; 6873)
Oligochaeta: Eisenia fetida (ref. ID; 505) or Eisenia foetida (ref. ID; 7012)
Oligochaeta: Eisenia veneta (ref. ID; 505)
Oligochaeta: Lumbricus rubellus (ref. ID; 505)
Oligochaeta: Lumbricus terrestris (ref. ID; 505)
Oligochaeta: Perionyx excavatus (ref. ID; 7085)
Nematoda: Caenorhabditis elegans (ref. ID; 6758)
Aquatic microcosm (ref. ID; 6828, 7139)
Sediment microcosm (ref. ID; 4448)

[Chlorpyrifos-oxon] CAS[5598-15-2] UN2588
Trade name; Chlorpyrifos-oxon
Chemical formula; C9H11Cl3NO4P
Purpose for use; Organophosphate pesticide.
Test organisms;
Oligochaeta: Lumbricus terrestris (ref. ID; 6753)

[Chlorpyrifos-methyl]
= O-3,5,6-Trichloro-2-pyridyl O,O-dimethyl phosphorothioate CAS[5598-13-0]
Trade name; Chlorpyrifos-methyl (J Date registered 10/17/1974, I, A, B): Dowreldan, Reldan
Chemical formula; C7H7Cl3NO3PS
Purpose for use; Organophosphate insecticide.
Toxicity; LD50 (oral): rat (male) 2472 mg/kg, (female) 1828 mg/kg mouse (male) 2254 mg/kg, (female) 2032 mg/kg

[Chlorpyrifos-methyl Oxon] CAS[5598-52-7]
Chemical formula; C7H7Cl3NO4P


[Diazinon] CAS[333-41-5] UN3018
= O,O-Diethyl O-2-isopropyl-6-methylpyrimidin-4-yl phosphorothionate
= O,O-Diethyl-2-isopropyl-4-methyl-6-pyrimidinnyl phosphorothionate
= O,O-Diethyl-O-2-isopropyl-4-(methyl)-6-pyrimidinyl phosphorothioate
Trade name; diazinon (J Date registered 4/22/1955, I, B): Basudin, Kayazinon, Neocidol, Nucidol
Chemical formula; C12H21N2O3PS
Purpose for use; Organophosphate insecticide.
Diazinon is used for lawn and turf care. It is used on turf for the control of insect pests such as the black fairway beetle (Ataenius spretulus), hairy chinch bug (Blissus leucopterus hirtus), sod webworm (Parapediasia sp. and Pediasia sp.), ants and white grups (Phyllophaga sp.) It is also used to control insect pests in fruit, vegetable and field crops, grasslands and ornamentals. (ref. ID; 6905)
Toxicity; LD50 (oral): rat 150-600 mg/kg, mouse 80-135 mg/kg.
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinhardtii (ref. ID; 6096)
Rotifera: Brachionus calyciflorus (ref. ID; 111, 121, 192)
Oligochaeta: Lumbricus terrestris (ref. ID; 6899, 6900, 6904, 6905)

[Diazinon Oxon] CAS[962-58-3]
Trade name; Diazinon Oxon
Chemical formula; C12H21N2O4P
Purpose for use; Organophosphate insecticide.


[Dichlorvos] CAS[62-73-7] UN3018
= 2-2-Dichlorovinyl dimethyl phosphate
Trade name; dichlorvos (J, I, B): DDVP (J Date registered 4/24/1957), Des, Dedevap, Nogos, Phosvit, Nuvan, Vapona
Chemical formula; C4H7Cl2O4P
Purpose for use; Organophosphorus insecticide.
Test organisms;
Oligochaeta: Lampito mauritii (ref. ID; 6870)

[Dicrotophos] CAS[141-66-2] UN2783
= (E, Z)2-(dimethylcarbamoyl)-1-methylvinyldimethyl phosphate
Trade name; Dicrotophos (I, A): Bidrin, Carbicron, Ektafos
Chemical formula; C8H16NO5P
Purpose for use; Organophosphorus insecticide.
Test organisms;
Oligochaeta: Eisenia fetida (ref. ID; 7012)

[Dimethoate] CAS[60-51-5] UN2783
= O,O-Dimethyl S-methylcarbamoylmethyl phosphorodithioate
= O,O-Dimethyl-S-N-methylcarbamoylmethyl phosphorodithioate (ref. ID; 6096)
Trade name; Dimethoate (J, I, A, B): Cygon, Rogor, Perfekthiom
Chemical formula; C5H12NO3PS2
Purpose for use; Organophosphorus insecticides.
Mode of action; It is a cholinesterase inhibitor after metabolism, and it acts at the cholinergic synapses. (ref. ID; 6754)
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinhardtii (ref. ID; 6096)
Protozoa: Colpidium campylum (ref. ID; 6784)
Protozoa: Tetrahymena pyriformis (ref. ID; 6097)
Oligochaeta: Allolobophra chlorotica (ref. ID; 6891)
Oligochaeta: Aporrectodea caliginosa (ref. ID; 6891)
Oligochaeta: Aporrectodea rosea (ref. ID; 6891)
Oligochaeta: Eisenia andrei (ref. ID; 6891)
Oligochaeta: Eisenia fetida (ref. ID; 6891)
Oligochaeta: Enchytraeus albidus (ref. ID; 6754)

[Fenitrothion] CAS[122-14-5] UN3018
= O,O-Dimethyl O-4-nitro-m-tolyl-phosphorothioate
= O,O-Dimethyl O-(3-methyl-4-nitrophenyl) phosphorothionate
Trade name; Fenitrothion (J, I, B): Accothion, Folithion, MEP (J Date registered 12/26/1961), Sumithion
Chemical formula; C9H12NO5PS
Purpose for use; Organophosphorus insecticide.
Toxicity; LD50 (oral): rat 250-500 mg/kg, mouse 870 mg/kg mouse (male) 1336 mg/kg
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinhardtii (ref. ID; 6096)
Protozoa: Colpidium campylum (ref. ID; 6784)
Rotifera: Brachionus calyciflorus (ref. ID; 127, 128)
Rotifera: Brachionus plicatilis (ref. ID; 128)
Microcosm (ref. ID; 7170)

[Fenthion] CAS[55-38-9]
=,O,O-Dimethyl-O-(3 methyl-4 methyl thiophenyl) phosphrothionate
= O,O-Dimethyl O-4-methylthio-m-tolyl phosphrothioate
Trade name; fenthion (J, I, B): Baycid, Baytex, Lebaycid, MPP (J Date registered 11/12/1960), Queletix, Tiguvon
Chemical formula; C10H15O3PS2
Purpose for use; Organophosphorus insecticide.
Toxicity; LD50 (oral): rat (male) 190-315 mg/kg, (female) 245-615 mg/kg mouse 92 mg/kg
Test organisms;
Protozoa: Tetrahymena pyriformis (ref. ID; 4709)

[Fonophos] CAS[944-22-9] UN3018
= O-Ethyl S-phenyl ethylphosphonodithioate
Trade name; Fonophos (I, B): Dyfonate
Chemical formula; C10H15OPS2
Purpose for use; Organophosphorus insecticide.
Toxicity; LD50 (oral): rat (male) 7.94-17.5 mg/kg.
Test organisms;
Oligochaeta: Eisenia foetida (ref. ID; 7012)


[Malathion] CAS[121-75-5] UN3018
= S-1,2-Bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorodithioate
= O,O-Dimethyl-1-s-1,2-di(ethoxycarbonyl)ethylphosphorodithioate) (ref. ID; 6087)
= O,O-Dimethyl-S-1,2-dicarbethoxyethyl phosphorodithioate (ref. ID; 6096)
Trade name; Malathion (J Date registered 2/7/1953, I, A, B): Cythion, Malataf-50E, Malathon, Malixol, Mercaptothion
Chemical formula; C10H19O6PS2
Chemical characteristics; log Koc = 3.2 (Zambonin st al., 2002). (ref. ID; 6699)
Purpose for use; Organophosphorus insecticide, acaricide.
Inhibiting the acetylcholinestrease (AChE) activity in the nervous system. (ref. ID; 7152)
Toxicity; LD50 (oral): rat 2800 mg/kg.
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinhardtii (ref. ID; 6096)
Protozoa: Colpidium campylum (ref. ID; 6784)
Protozoa; Euglena gracilis (ref. ID; 7152)
Protozoa: Tetrahymena pyriformis (ref. ID; 3554)
Rotifera: Brachionus calyciflorus (ref. ID; 111)
Rotifera: Brachionus plicatilis (ref. ID; 718)
Rotifera: Brachionus rubens (ref. ID; 820)
Oligochaeta: Drawida willsi (ref. ID; 6068)
Oligochaeta: Eisenia foetida (ref. ID; 7012)
Oligochaeta: Lumbricus terrestris (ref. ID; 6699, 6904)
Oligochaeta: Tubifex tubifex (ref. ID; 6087)

[Malataf-50E: active ingredient Malathion 50 percent]
Test organisms;
Rotifera: Brachionus calyciflorus (ref. ID; 107)


[Monocrotophos] CAS[6923-22-4] UN2783
= Dimethyl phosphate of 3-hydroxy-N-methyl-cis-cro = tonamide (ref. ID; 6870)
= Dimethyl (E)-1-methyl-2-(methylcarbamoyl)-vinyl phosphate
Trade name; monocrotophos (J Date registered 10/12/1979, I, B): Azodrin, Nuvacron
Chemical formula; C7H14NO5P
Purpose for use; Organophosphorus insecticide.
Test organisms;
Oligochaeta: Lampito mauritii (ref. ID; 6870)
Oligochaeta: Perionyx excavatus (ref. ID; 7085)

[Paraoxon] CAS[311-45-5]
= Diethyl 4-nitrophenyl phosphate
= Diethyl p-nitrophenyl phosphate
Trade name; Paraoxon: E-600, Mintacol, Phosphacol
Chemical formula; C10H14NO6P
Purpose for use; Organophosphate insecticide.
Toxicity; LD50 (oral): rat 3.5 mg/kg
Test organisms;
Protozoa: Colpidium campylum (ref. ID; 6784)
Protozoa: Spirostomum teres (ref. ID; 6838)
Rotifera: Brachionus plicatilis (ref. ID; 1321)
Oligochaeta: Eisenia andrei (ref. ID; 6076)
Oligochaeta: Eisenia fetida (ref. ID; 6076)
Oligochaeta: Eisenia veneta (ref. ID; 6076)


[Parathion] CAS[56-38-2] UN3018
= O,O-Diethyl O-4-nitrophenyl phosphorothioate
= O,O-Diethyl O-p-nitrophenyl phosphorothionate (ref. ID; 4709)
Trade name; Parathion (J Date registered 1/24/1952, Date registration annulled 2/25/1971, Date marketing stopped 6/1/1971, I, B): Bladan, ethyl parathion, Folidol, Niran, Thiolphos
Chemical formula; C10H14NO5PS
Purpose for use; Organophosphorus insecticide
Toxicity; LD50 (oral): rat (male) 13 mg/kg, (female) 3.6 mg/kg mouse 6 mg/kg
Test organisms;
Protozoa: Prorocentrum micans Ehrenberg (ref. ID; 4185)
Protozoa: Spirostomum teres (ref. ID; 6838)
Protozoa: Tetrahymena pyriformis (ref. ID; 979, 4709)
Oligochaeta: Eisenia foetida (ref. ID; 7012)
Oligochaeta: Enchytraeus albidus (ref. ID; 5909)

Trade name; E 605 forte
Test organisms;
Oligochaeta: Allolobophora chlorotica (ref. ID; 6066)
Oligochaeta: Aporrectodea caliginosa (ref. ID; 6066)
Oligochaeta: Aporrectodea longa (ref. ID; 6066, 6902)
Oligochaeta: Eisenia fetida (ref. ID; 6066, 6902)
Oligochaeta: Lumbricus terrestris (ref. ID; 6902)

[Parathion-ethyl]
= Ethylparathion (ref. ID; 6784)
Test organisms;
Protozoa: Colpidium campylum (ref. ID; 6784)
Protozoa: Spirostomum teres (ref. ID; 6838)
Protozoa: Tetrahymena pyriformis (ref. ID; 3554)
Oligochaeta: Eisenia andrei (ref. ID; 6831)

[Parathion-methyl] CAS[298-00-0] UN2783
= O,O-Dimethyl O-4-nitrophenyl phosphorothioate
= O,O-Dimethyl O-p-nitrophenyl phosphorothionate (ref. ID; 4709)
Trade name; Parathion-methyl (J Date registered 1/27/1952, Date registration annulled 11/9/1971, Date marketing stopped 6/1/1971, I, B): Folidol-M, methyl-Bladan, Mefos, Metacide, metaphos, methyl parathion, Metron
Chemical formula; C8H10NO5PS
Purpose for use; A non-systemic phenyl organothiophosphate insecticide, nematicide and acaricide. (ref. ID; 6701)
Toxicity; LD50 (oral): rat (male) 14 mg/kg, rat (female) 24 mg/kg, mouse 21 mg/kg
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinhardi (ref. ID; 1319)
Protozoa: Colpidium campylum (ref. ID; 6784)
Protozoa: Spirostomum teres (ref. ID; 6838)
Protozoa: Tetrahymena pyriformis (ref. ID; 1319, 3554, 4709)
Rotifera: Asplanchna sieboldi (ref. ID; 1973)
Rotifera: Brachionus calyciflorus (ref. ID; 111, 1667, 1973)
Rotifera: Brachionus patulus (ref. ID; 3314)
Oligochaeta: Soil-dwelling community (ref. ID; 6071, 6896)
Aquatic microcosm (ref. ID; 6701)


[Phenthoate]
= O,O-Dimethyl-S-alpha-carbethoxy-benzyl phosphorodithioate
= S-alpha-Ethoxycarbonylbenzyl O,O-dimethyl phosphorodithioate
Trade name; Phenthoate (J, I, B): PAP (J Date registered 2/26/1963), Elsan
Chemical formula; C12H17O4PS2
Purpose for use; Organophosphorus insecticide.
Toxicity; LD50 (oral): mouse 350-400 mg, rat 300-400 mg.
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinhardtii (ref. ID; 6096)

[Quinalphos] CAS[13593-03-8] UN2783
= O,O-Diethyl O-quinoxalin-2-yl phosphorothioate
= O,O-Diethyl-O-2-quinoxalinyl phosphorothioate
Trade name; quinalphos (I, B): Bayrusil, Chinalphos, Diethquinalphione, Ekalux
Chemical formula; C12H15N2O3PS
Purpose for use; Organophosphorus insecticide.
Toxicity; LD50 (oral): rat 62-137 mg
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinhardtii (ref. ID; 6096)

[Trichlorfon] CAS[52-68-6]
= 2,2,2-Trichloro-1-hydroxyethylphosphonic acid dimethyl ester
= Dimethyl 2,2,2-trichloro-1-hydroxyethylphosphonate
= O,O-Dimethyl-1-hydroxy-2,2,2-trichloroethylphosphonate (ref. ID; 6087)
Trade name; Trichlorfon (J, I, B): Chlorofos, DEP (J Date registered 5/29/1957), Dipterex, Dylox, Marifonate, Metrifornate, Nuguvon, Nevugon, Trichlorphon, Tugon
Chemical formula; C4H8Cl3O4P
Purpose for use; Organophosphorous insecticide.
Toxicity; LD50 (oral): rat (male) 630 mg/kg, (female) 560 mg/kg. mouse 950 mg/kg
Test organisms;
Protozoa: Colpidium campylum (ref. ID; 6784)
Rotifera: Brachionus calyciflorus (ref. ID; 127, 128)
Rotifera: Brachionus plicatilis (ref. ID; 128)
Oligochaeta: Tubifex tubifex (ref. ID; 6087)