| Agent Name |
Fenamiphos |
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| CAS Number |
22224-92-6 |
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| Formula |
C13-H22-N-O3-P-S |
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| Major Category |
Pesticides |
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| Synonyms |
1-(Methylethyl)-ethyl 3-methyl-4-(methylthio)phenyl phosphoramidate; BAY 68138; BAY sra 3886; Ethyl 3-methyl-4-(methylthio)phenyl (1-methylethyl)phosphoramidate; Ethyl 3-methyl-4-(methylthio)phenyl isopropylphosphoramidate; Ethyl 4-(methylthio)-m-tolyl isopropylphosphoramidate; Fenamiphos; Isopropylamino-O-ethyl-(4-methylmercapto-3-methylphenyl)phosphate; Methaphenamiphos; Nemacur; Nemacur P; O-Aethyl-O-(3-methyl-4-methylthiophenyl)-isopropylamido-phosphorsaeureester [German]; Phenamiphos; Phenamiphos [ISO-French]; Phosphoramidic acid, isopropyl-, ethyl 4-(methylthio)-m-tolyl ester; SRA 3886; [ChemIDplus] |
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| Category |
Organophosphates |
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| Description |
Off-white to tan, waxy solid. [insecticide] [Note: Found commercially as a granular ingredient (5-15%) or in an emulsifiable concentrate (400 g/l).]; [NIOSH] |
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| Sources/Uses |
Fenamiphos is a systemic, organophosphate nematicide used on tobacco, turf, bananas, pineapples, citrus crops, vegetables, and grains. [EXTOXNET] |
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| Comments |
Classified as "highly toxic" and may be used only by a certified applicator; [EXTOXNET] |
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| Reference Link |
EXTOXNET PIP - FENAMIPHOS |
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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) |
0.05 mg/m3, inhalable fraction and vapor |
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| Vapor Pressure |
5 x 10 -05 mm Hg |
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| Lethal Concentration |
LC50 (rats) = 91 mg/m3/4h |
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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: FENAMIPHOS
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