Diazinon - Environmental Health Criteria 198
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Date
1998Author
United Nations Environment Programme
World Health Organization
International Labour Organisation
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RT Generic T1 Diazinon - Environmental Health Criteria 198 A1 United Nations Environment Programme, World Health Organization, International Labour Organisation YR 1998 LK https://wedocs.unep.org/20.500.11822/29475 PB AB TY - GEN T1 - Diazinon - Environmental Health Criteria 198 AU - United Nations Environment Programme, World Health Organization, International Labour Organisation Y1 - 1998 UR - https://wedocs.unep.org/20.500.11822/29475 PB - AB - @misc{20.500.11822_29475 author = {United Nations Environment Programme, World Health Organization, International Labour Organisation}, title = {Diazinon - Environmental Health Criteria 198}, year = {1998}, abstract = {}, url = {https://wedocs.unep.org/20.500.11822/29475} } @misc{20.500.11822_29475 author = {United Nations Environment Programme, World Health Organization, International Labour Organisation}, title = {Diazinon - Environmental Health Criteria 198}, year = {1998}, abstract = {}, url = {https://wedocs.unep.org/20.500.11822/29475} } TY - GEN T1 - Diazinon - Environmental Health Criteria 198 AU - United Nations Environment ProgrammeUnited Nations Environment Programme, World Health OrganizationWorld Health Organization, International Labour Organisation UR - https://wedocs.unep.org/20.500.11822/29475 PB - AB -View/Open
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The chemical name for diazinon is O, O-diethyl O-2-isopropyl-6-methylpyrimidinyl-4-yl phosphorothioate. The pure material forms a colourless liquid with a faint ester-like odour. The technical active ingredient is a yellow/brown liquid with a slight compound-specific odour. The boiling point is 83-84°C at 26.6 mPa and the vapour pressure (volatility) is low (9.7 mPa at 20°C). The solubility in water at room temperature is 60 mg/litre. Diazinon is soluble in most organic solvents and has an octanol/water partition coefficient (log Pow) of 3.40. It is stable in neutral media, but is slowly hydrolysed in alkaline media and more rapidly in acid media. It decomposes at temperatures above 120°C.
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