4-Methyl-1,3-dioxolane

  • 1,3-Dioxolane, 4-methyl-
Formula
C4H8O2
Structure
Description
Liquid.

Registry Numbers and Inventories.
CAS
1072-47-5
EC (EINECS/ELINCS)
214-008-9
R 11 36/37/38
S 16 26 36
UN (DOT)
1993
Beilstein/Gmelin
102554
Beilstein Reference
5-19-01-00046
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C4H8O2
Formula mass
88.10
Boiling point, °C
82 - 83
Density
0.9939 g/cm3 (15 C)
Solubility in water
Very soluble
Refractive index
1.40 (20 C)

Hazards and Protection.
Storage
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Storage under a nitrogen blanket has been recommended.
Handling
Wash thoroughly after handling. Use only in a well ventilated area. Ground and bond containers when transferring material. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
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.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition.
Stability
Stable under normal temperatures and pressures. Prolonged exposure to air and sunlight may form unstable peroxides. On long term storage, substances with similar functional groups form explosive peroxides.
Incompatibilities
Strong oxidizing agents, 1,3-dioxolane can form a potentially explosive reaction with lithium perchlorate.
Decomposition
Carbon monoxide, carbon dioxide, formaldehyde.

Fire.
Flash Point,°C
-2
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Extremely flammable liquid. Containers may explode in the heat of a fire. May form explosive peroxides. Extinguishing media: Use water spray to cool fire-exposed containers. Water may be ineffective. Do NOT use straight streams of water. For small fires, use dry chemical, carbon dioxide, water spray or regular foam. Cool containers with flooding quantities of water until well after fire is out. For large fires, use water spray, fog or regular foam.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Vapors may cause dizziness or suffocation.
   Skin
May cause skin irritation. 1,3-Dioxolane is a skin irritant.
   Eyes
May cause eye irritation. 1,3-Dioxolane is a severe eye irritant.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number
1993
Response guide