Product Identification

Product Name

Linolenic acid

Synonyms

(Z,Z,Z)-Octadeca-9,12,15-trienoic acid
9,12,15-Octadecatrienoic acid, (9Z,12Z,15Z)-
cis,cis,cis-9,12,15-Octadecatrienoic acid

CAS

463-40-1

Formula

C18H30O2

Molecular Weight

278.44

EINECS

207-334-8

Merck

12,5530

Beilstein/Gmelin

784281

Beilstein Reference

0-02-00-00500

Physical and Chemical Properties

Appearance

Clear colorless liquid.

Solubility in water

Insoluble

Melting Point

-9.5

Boiling Point

443

Vapor Pressure

4E-9 (25 C)

Density

0.9141 g/cm3 (18 C)

pKa/pKb

4.78 (pKa)

Partition Coefficient

6.68

Heat Of Vaporization

76.9 kJ/mol

Usage

Essential fatty acid.

Refractive Index

1.4800 (20 C)

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.

Skin

Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C).

Handling

Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.

Inhalation

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Exposure Controls/Personal Protection

Personal Protection

Eyes: 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. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Poison Class

-

Fire Fighting Measures

Flash Point

276

Fire Fighting

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

Fire Potential

This chemical is probably combustible.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Incompatibilities

Bases - oxidizing agents - reducing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

Carbon monoxide, carbon dioxide.