3,3-Dimethoxy-1-propene

  • 3,3-Dimethoxypropene
  • 1,1-Dimethoxyprop-2-ene
  • Acrolein, dimethyl acetal
  • 2-Propenal, dimethyl acetal
Formula
C5H10O2
Structure
Description
Colorless clear liquid

Registry Numbers and Inventories.
CAS
6044-68-4
EC (EINECS/ELINCS)
227-936-4
S 16 23 24/25 33
RTECS
UC8500000
RTECS class
Other
UN (DOT)
2929
Beilstein/Gmelin
1700037

Properties.
Formula
C5H10O2
Formula mass
102.15
Boiling point, °C
89
Density
0.8620 g/cm3
Solubility in water
Soluble
Refractive index
1.3954 (20 C)

Hazards and Protection.
Storage
Flammables-area.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, acids.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
-9
Autoignition, °C
260
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Extinguish fire using water, dry chemical, chemical foam, or alcohol-resistant foam.

Health.
Exposure effects
Toxic by inhalation and if swallowed. Very toxic. The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.

First aid
 
   Ingestion
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids.

Transport.
UN number
2929
Response guide
Hazard class
6.1
Packing Group
I; II