Product Identification

Product Name

Methoxyethene

Synonyms

Methoxyethene
Methyl vinyl ether

CAS

107-25-5

Formula

C3H6O

Molecular Weight

58.09

EINECS

203-475-4

RTECS

KO2300000

RTECS Class

Reproductive Effector

Beilstein/Gmelin

1209255

Beilstein Reference

4-01-00-02049

EC Index Number

603-021-00-9

EC Class

Extremely flammable

Physical and Chemical Properties

Appearance

A colorless gas with a sweet, pleasant odor.

Solubility in water

Very soluble

Melting Point

-122.2

Boiling Point

6

Vapor Pressure

1500 (25 C)

Density

0.777 g/cm3 (20 C)

Partition Coefficient

.51

Heat Of Vaporization

24.4 kJ/mol

Heat Of Combustion

-1922 kJ/mol

Usage

Monomer for copolymers used in coatings & lacquers, modifier for alkyl, polystyrene & ionomer resins, plasticizer for nitrocellulose & adhesives.

Vapor Density

2

Refractive Index

1.3730 (0 C)

First Aid Measures

Ingestion

Do NOT induce vomiting, get medical attention.

Inhalation

Remove victim to fresh air; if breathing is difficult, administer oxygen; call physician.

Skin

Wash with copious quantities of water; treat frostbite by use of warm water or blankets.

Eyes

Wash with copious quantities of water; consult an eye specialist.

Handling and Storage

Storage

Grounding and bonding required. Store in a well-ventilated area. Avoid contact with light. Store in a tightly closed container. Keep separated from incompatible substances.

Handling

Handle in accordance with all current regulations and standards. Subject to storage regulations: U.S. OSHA 29 CFR 1910.101. Grounding and bonding required.

Hazards Identification

Inhalation

Respiratory tract irritation has not been reported, but may be predicted from other irritant properties.

Skin

Skin irritation may be noted.

Eyes

Eye, nose, and throat irritation may be seen.

Ingestion

Seek medical attention.

Hazards

Containers may explode. Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back.

UN (DOT)

1087

Exposure Controls/Personal Protection

Personal Protection

Organic-vapor mask; plastic or rubber gloves; safety glasses.

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Exposure Effects

Central nervous system depression could occur from anesthetic effects.

Poison Class

4

Fire Fighting Measures

Flash Point

-56

Autoignition

287

Fire Fighting

Do not extinguish fire unless flow can be stopped. Use water in flooding quantities as fog. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible.

Upper exp. limit

39

Lower exp. limit

2.6

Fire Potential

Very dangerous; can react vigorously with oxidizing materials. Extremely flammable.

Accidental Release Measures

Small spills/leaks

Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers. Attempt to stop leak if without undue personnel hazard. Use water spray to knock-down vapors.

Stability and Reactivity

Stability

Polymerizes easily.

Incompatibilities

React vigorously with oxidizing materials.

Decomposition

When heated to decomposition it emits acrid smoke and irritating fumes.

Combustion Products

Fire may produce irritating and/or toxic gases.

Transport Information

UN Number

1087

Hazard Class

2.1