Product Identification

Product Name

2-Pentyl-3-methyl-2-cyclopenten-1-one

Synonyms

1-Methyl-2-pentyl-3-oxo-1-cyclopentene
2-Amyl-3-methyl-2-cyclopentenone
2-Pentyl-3-methyl-2-cyclopentenone
3-Methyl-2-pentyl-2-cyclopenten-1-one
3-Methyl-2-pentyl-2-cyclopentenone
3-Methyl-2-pentylcyclopent-2-enone

CAS

1128-08-1

Formula

C11H18O

Molecular Weight

166.29

EINECS

214-434-5

RTECS

GY7302000

RTECS Class

Primary Irritant

Beilstein/Gmelin

1906471

Beilstein Reference

4-07-00-00230

Physical and Chemical Properties

Solubility in water

Insoluble

Boiling Point

252

Vapor Pressure

0.02 (25 C)

Density

0.916 g/mL (25 C)

Heat Of Vaporization

48.9 kJ/mol

Usage

Flavoring agent.

Refractive Index

1.481 (20 C)

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

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

Skin

In case of contact, immediately wash skin with soap and copious amounts of water.

Eyes

In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Handling and Storage

Storage

Keep tightly closed. Store in a cool dry place.

Hazards Identification

Eyes

May cause eye irritation.

Hazards

Emits toxic fumes under fire conditions.

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Fire Fighting Measures

Flash Point

110

Fire Fighting

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks

Cover with dry lime or soda ash, pick up, keep in a closed container, and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide.