- 1,3-Propanediol formal
- Trimethylene glycol methylene ether
Clear colorless liquid.
Monomer for acetyl resins (no evidence of current use).
Registry Numbers and Inventories.
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
39 (25 C)
1.0399 g/cm3 (15 C)
Solubility in water
33.38 g/s2 (20 C)
1.4165 (20 C)
Partition coefficient, pKow
Heat of vaporization
Heat of combustion
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container. Flammables-area.
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin 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. Remove all sources of ignition. Use a spark-proof tool.
Stable under normal temperatures and pressures.
Strong oxidizing agents.
Carbon monoxide, carbon dioxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. Containers may explode in the heat of a fire. May form explosive peroxides. Forms explosive mixtures with air. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
This chemical is flammable.
IDHL: NIOSH considers dioxane to be a potential occupational carcinogen.
Harmful if swallowed. May cause irritation of the digestive tract.
Harmful if inhaled. May cause respiratory tract irritation.
May cause skin irritation. Harmful if absorbed through the skin.
May cause 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.
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 eyelids. Get medical aid.