| Agent Name |
Metribuzin |
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| CAS Number |
21087-64-9 |
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| Formula |
C8-H14-N4-O-S |
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| Major Category |
Pesticides |
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| Synonyms |
1,2,4-Triazin-5-one, 4-amino-6-tert-butyl-3-(methylthio)-; 3-Methylthio-4-amino-6-tert-butyl-1,2,4-triazin-5-one; 4-Amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one; 4-Amino-6-tert-butyl-3-(methylthio)-1,2,4-triazin-5-one; 4-Amino-6-tert-butyl-3-(methylthio)-as-triazin-5(4H)-one; 4-Amino-6-tert-butyl-3-methylthio-1,2,4-triazin-5(4H)-one; 4-Amino-6-tert-butyl-4,5-dihydro-3-methylthio-1,2,4-triazin-5-one; BAY 61597; BAY dic 1468; Bay 94337; Bayer 6159H; Bayer 6443H; Bayer 94337; DIC 1468; Lexone; Lexone 4L; Lexone DF; Metribuzin; Metribuzine; Metribuzine [ISO-French]; NTN 70; Sencor; Sencor 4F; Sencor DF; Sencorex; Sencorex L.F.; Senkor; Zenkor; [ChemIDplus] |
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| Category |
Herbicides, Triazine |
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| Description |
Colorless, crystalline solid. [herbicide]; [NIOSH] |
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| Sources/Uses |
Metribuzin is a herbicide used to control weeds in alfalfa, asparagus, barley, carrots, corn, peas, potatoes, soybeans, sugarcane, tomatoes, turf grass, and wheat. [ACGIH] |
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| Comments |
Classified as "slightly toxic" with an LD50 in rats of 1090 to 2300 mg/kg; [EXTOXNET] There are no known health effects in humans after occupational exposure. [ACGIH] |
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| Reference Link |
EXTOXNET PIP - METRIBUZIN |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TLV (ACGIH) |
5 mg/m3 |
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| Vapor Pressure |
4 x 10 -07 mm Hg |
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| Adverse Effects |
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| Hepatotoxin |
Hepatotoxin, Secondary |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: METRIBUZIN
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