Product Identification

Product Name

Penta-1,4-dien-3-ol

Synonyms

3-Hydroxy-1,4-pentadiene
Diethenylmethyl alcohol
Divinyl carbinol
Penta-1,4-dien-3-ol

CAS

922-65-6

Formula

C5H8O

Molecular Weight

84.12

EINECS

213-080-9

Beilstein/Gmelin

1735809

Beilstein Reference

4-01-00-02229

Physical and Chemical Properties

Appearance

Colorless clear liquid

Boiling Point

115 - 116

Vapor Pressure

9.6 (25 C)

Density

0.866 g/mL (17 C)

pKa/pKb

13.68 (pKb)

Heat Of Vaporization

41.3 kJ/mol

Refractive Index

1.4451 (17 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 skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.

Eyes

In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Hazards Identification

Inhalation

Material may be irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.

Skin

May cause skin irritation. May be harmful if absorbed through the skin.

Eyes

May cause eye irritation.

Ingestion

Harmful if swallowed.

Hazards

Flammable liquid. Emits toxic fumes under fire conditions.

EC Risk Phrase

10 22

UN (DOT)

1987

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Exposure Effects

Harmful. Flammable. Harmful if swallowed.

Fire Fighting Measures

Flash Point

32

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.

Fire Potential

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Accidental Release Measures

Small spills/leaks

Cover with dry-lime, sand, or soda ash. Place in covered containers using non-sparking tools and transport outdoors. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

1987

Hazard Class

3

Packing Group

III