Methylphosphonothioic dichloride
- CAS NO.：676-98-2
- Empirical Formula: CH3Cl2PS
- Molecular Weight: 148.98
- MDL number: MFCD00014453
- EINECS: 211-636-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:53:06
What is Methylphosphonothioic dichloride?
General Description
A colorless liquid with a pungent odor. Noncombustible. Toxic by inhalation. Denser than water. Corrosive to metal and tissue.
Air & Water Reactions
Reacts with water to form hydrochloric acid, reaction may be violent.
Reactivity Profile
METHYL PHOSPHONOTHIOIC DICHLORIDE is water reactive. Incompatible with strong oxidizing agents, alcohols, bases( including amines). May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].
Health Hazard
Inhalation causes irritation of nose and throat; effects are quite similar to those of phosgene. Ingestion causes irritation of mouth and stomach. Delayed, painful eye irritation may occur from exposure to vapor; liquid causes severe irritation. Contact with skin causes irritation and burns.
Fire Hazard
Special Hazards of Combustion Products: Irritating hydrogen chloride, sulfur dioxide and other fumes may be formed in fire.
Safety Profile
A corrosive irritant to skin, eyes, and mucous membranes. When heated to decomposition it emits very toxic fumes of Cl-, POx, and SOx.
Properties of Methylphosphonothioic dichloride
| Melting point: | -25.5°C |
| Boiling point: | 154-155°C |
| Density | 1.422 g/mL at 25 °C(lit.) |
| refractive index | n20/D 1.548(lit.) |
| Flash point: | 73 °C |
| form | liquid |
| EPA Substance Registry System | Phosphonothioic dichloride, methyl- (676-98-2) |
Safety information for Methylphosphonothioic dichloride
Computed Descriptors for Methylphosphonothioic dichloride
New Products
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