Azinphos-methyl
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| Azinphos-methyl | |
|---|---|
 |
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| General | |
| Systematic name | S-(3,4-Dihydro-4-oxobenzo[d]- [1,2,3]-triazin-3-ylmethyl) O,O-dimethyl phosphorodithioate |
| Other names | Azinphos-methyl AZM Guthion |
| Molecular formula | C10H12N3O3PS2 |
| SMILES | O=C2N(CSP(OC)(OC)=S) N=NC1=CC=CC=C12 |
| Molar mass | 317.32 g mol−1 |
| Appearance | Brown, waxy solid |
| CAS number | [86-50-0] |
| Properties | |
| Density and phase | 1.44 g cm−3, solid |
| Solubility in water | 0.003 g/100 mL |
| Melting point | 73 °C (346 K) |
| Boiling point | decomposes |
| Acidity (pKa) | ? |
| Basicity (pKb) | ? |
| Chiral rotation [α]D | ?° |
| Viscosity | ? cP at ?°C |
| Structure | |
| Molecular shape | ? |
| Dipole moment | ? D |
| Hazards | |
| MSDS | External MSDS |
| Main hazards | highly toxic |
| NFPA 704 |
2
3
1
|
| Flash point | 69 °C |
| R/S statement | R: R24 R28 S: S28 S36 S37 S45 |
| RTECS number | TE1925000 |
| Supplementary data page | |
| Structure and properties |
n, εr, etc. |
| Thermodynamic data |
Phase behaviour Solid, liquid, gas |
| Spectral data | UV, IR, NMR, MS |
| Related compounds | |
| Related organophosphates | malathion chlorpyrifos |
| Except where noted otherwise, data are given for materials in their standard state (at 25°C, 100 kPa) Infobox disclaimer and references |
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Azinphos-methyl, or AZM, is a general organophosphate pesticide used on nuts, vegetables, and fruits. It has been linked to health problems of farmers who apply it and the U.S. Environmental Protection Agency (EPA) is considering a denial of registration. After a 2006 lawsuit by United Farm Workers of America the EPA will begin phasing out the pesticide over 4 years. AZM is a dangerous neurotoxin derived from nerve agents used during World War II.
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