Product Identification

Product Name

2-(Chloromethyl)-2-methyloxirane

Synonyms

1-Chloro-2,3-epoxy-2-methylpropane
3-Chloro-1,2-epoxy-2-methylpropane
b-Methylepichlorohydrin
Methepichlorohydrin

CAS

598-09-4

Formula

C4H7ClO

Molecular Weight

106.55

EINECS

209-916-7

Physical and Chemical Properties

Appearance

Colorless liquid.

Solubility in water

Soluble

Melting Point

-40

Boiling Point

122

Vapor Pressure

17.1

Density

1.1032 g/cm3 (20 C)

Partition Coefficient

.75

Heat Of Vaporization

34.51 kJ/mol

Refractive Index

1.4340 (20 C)

First Aid Measures

Ingestion

Do not induce vomiting. Get medical aid immediately.

Inhalation

Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Get medical aid immediately. Immediately flush skin with plenty of 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 eyelids. Get medical aid immediately.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container. Corrosives area.

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves and protective clothing to prevent skin exposure. Use chemical safety goggles.

Respirators

Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Exposure Effects

Causes burns of the eye, skin, gastrointestinal track and respiratory tract.

Fire Fighting Measures

Flash Point

25

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguish with foam, dry chemical powder or carbon dioxide.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container.

Stability and Reactivity

Incompatibilities

Strong oxidizing agents, amines.

Decomposition

Hydrogen chloride, chlorine, carbon monoxide, carbon dioxide.

Hazards Identification

EC Risk Phrase

R: 20/21/22 34

EC Safety Phrase

S: 26 36/37/39 45