Product Identification

Product Name

3,3-Dimethoxy-1-propene

Synonyms

1,1-Dimethoxyprop-2-ene
2-Propenal, dimethyl acetal
3,3-Dimethoxyprop-1-ene
3,3-Dimethoxypropene
Acrolein, dimethyl acetal

CAS

6044-68-4

Formula

C5H10O2

Molecular Weight

102.15

EINECS

227-936-4

RTECS

UC8500000

RTECS Class

Other

Beilstein/Gmelin

1700037

Physical and Chemical Properties

Appearance

Colorless clear liquid

Solubility in water

Soluble

Boiling Point

89

Density

0.8620 g/cm3

Refractive Index

1.3954 (20 C)

First Aid Measures

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.

Handling and Storage

Storage

Flammables-area.

Fire Fighting Measures

Flash Point

-9

Autoignition

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.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, acids.

Decomposition

Carbon monoxide, carbon dioxide.

Transport Information

UN Number

2929

Hazard Class

6.1

Packing Group

I; II

Exposure Controls/Personal Protection

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.

Hazards Identification

EC Risk Phrase

R 11

EC Safety Phrase

S 16 23 24/25 33

UN (DOT)

2929