Name: Azinphos‑methyl
CAS Number: 86‑50‑0
EC / EINECS: 201‑676‑1
Molecular Formula: C₁₀H₁₂N₃O₃PS₂
Molecular Weight: ~317.32 g/mol
InChI Key: CJJOSEISRRTUQB‑UHFFFAOYSA‑N
Synonyms: Guthion, Gusathion, Azimil, R1582 (various Trade/formulation Names)
| Property | Typical Specification |
|---|---|
| Appearance (pure) | Colorless‑to‑white Crystalline Solid |
| Technical Form | Brown, Waxy Solid |
| Density | ~1.44 g/cm³ (20 °C) |
| Melting Point | ~73 °C |
| Boiling Point | Decomposes Above ~200 °C (no Clear Bp) |
| Vapor Pressure | Extremely Low (~5 × 10⁻⁷ Pa @ 20 °C) |
| Solubility | Slight In Water (~28–33 mg/L) |
| Log P (Octanol/Water) | ~2.75 – 2.96 |
| Form | Solid Crystalline / Waxy Granules |
| Incompatible With | Strong Oxidizers; Hydrolyzes In Acid/alkali, Decomposes On Heating |