| Agent Name |
Temephos |
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| Alternative Name |
Abate |
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| CAS Number |
3383-96-8 |
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| Formula |
C16-H20-O6-P2-S3 |
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| Major Category |
Pesticides |
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| Synonyms |
AC 52160; Abaphos; Abate; Abate 4-E; Abathion; American cyanamid AC 52,160; American cyanamid CL-52160; American cyanamid E.I. 52,160; Biothion; Bis-p-(O,O-dimethyl O-phenylphosphorothioate)sulfide; Bithion; CL 52160; Difenphos; Difos; Diphos; Diphos (pesticide); EI 52160; Ecopro 1707; Etidronsaeure; Experimental insecticide 52160; Lypor; Nephis; Nephis 1G; Nimitex; Nimitox; O,O'-(Thiodi-4,1-phenylene) O,O,O',O'-tetramethyl di(phosphorothioate); O,O'-(Thiodi-4,1-phenylene)bis(O,O-dimethyl phosphorothioate); O,O'-(Thiodi-4,1-phenylene)phosphorothioic acid O,O,O',O'-tetramethyl ester; O,O'-(Thiodi-p-phenylene) O,O,O',O'-tetramethyl bis(phosphorothioate); O,O'-(Thiodi-p-phenylene) O,O,O',O'-tetramethyl di(phosphorothioate); O,O,O',O'-Tetramethyl O,O'-thiodi-P-phenylene bis(phosphorothioate); O,O,O',O'-Tetramethyl O,O'-thiodi-p-phenylene diphosphorothioate; O,O-Dimethyl phosphorothioate O,O-diester with 4,4'-thiodiphenol; OMS 786; Phenol, 4,4'-thiodi-, O,O-diester with O,O-dimethyl phosphorothioate; Phosphorothioic acid, O,O'-(thiodi-p-phenylene) O,O,O',O'-tetramethyl ester (8CI); Procida; Swebat; Swebate; Temefos; Temefosum [INN-Latin]; Tetrafenphos; Tetramethyl O,O'-thiodi-p-phenylene phosphorothioate; [ChemIDplus] |
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| Category |
Organophosphates |
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| Description |
White, crystalline solid or liquid (above 87 degrees F). [insecticide] [Note: Technical grade is a viscous, brown liquid.]; [NIOSH] |
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| Sources/Uses |
Used to kill mosquito, midge, and black fly larvae in lakes, ponds, and wetlands; also used to kill fleas and human lice; [EXTOXNET] |
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| Comments |
Classified as "slightly toxic" with an LD50 of 5 gm/kg for the 2% powder formulation; [EXTOXNET] |
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| Reference Link |
EXTOXNET PIP - TEMEPHOS |
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| Exposure Assessment |
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| BEI |
Cholinesterase activity in red cells = 70% of individual's baseline, sample time discretionary; [ACGIH] |
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| Skin Designation (ACGIH) |
Yes |
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| TLV (ACGIH) |
1 mg/m3, inhalable fraction and vapor |
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| PEL (OSHA) |
15 mg/m3(total dust), 5 mg/m3(respirable fraction) |
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| Vapor Pressure |
7 x 10 -08 mm Hg |
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| Adverse Effects |
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| Other Poison |
Organophosphate |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: TEMEPHOS
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