Product Identification

Product Name

3-Methylbenzofuran

Synonyms

3-Methyl-1-benzofuran
3-Methylbenzo[b]furan

CAS

21535-97-7

Formula

C9H8O

Molecular Weight

132.16

EINECS

244-427-2

Physical and Chemical Properties

Appearance

Colorless liquid.

Solubility in water

Insoluble

Melting Point

19

Boiling Point

197

Vapor Pressure

0.51 (25 C)

Density

1.0568 g/cm3 (25 C)

Partition Coefficient

3.13

Heat Of Vaporization

41.7 kJ/mol

Vapor Density

4.55

Refractive Index

1.5536 (16^oC)

First Aid Measures

Ingestion

If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse.

Eyes

In case of contact, immediately flush eyes with plenty of water for a t least 15 minutes. Get medical aid.

Handling and Storage

Storage

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

Exposure Controls/Personal Protection

Personal Protection

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. Wear appropriate protective gloves and clothing to prevent skin exposure.

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

May cause eye, skin, and respiratory tract irritation. The toxicological properties of this material have not been fully investigated.

Fire Fighting Measures

Flash Point

73

Fire Fighting

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

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Oxides of carbon.

Combustion Products

During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.

Hazards Identification

EC Safety Phrase

S: 24/25