- O,O-Diethyl methylphosphonate
- Diethyl methanephosphonate
- Diethoxymethylphosphine oxide
Registry Numbers and Inventories.
S 26 36
Japan ENCS (MITI)
Boiling point, °C
190 - 194
1.0406 g/cm3 (30C)
Solubility in water
1.4101 (30 C)
Hazards and Protection.
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent exposure.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stable under normal temperatures and pressures.
Strong oxidizing agents, strong bases.
Carbon monoxide, oxides of phosphorus, carbon dioxide.
Wear approved SCBA in full pressure-demand and full protective gear. Combustible Liquid. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Causes skin irritation.
Causes eye irritation.
Get medical aid. Wash mouth out with water.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid. Get medical aid immediately.