Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
Home > cis-9,cis-12-Octadecadienoic acid > cis-9,cis-12-Octadecadienoic acid(60-33-3)

cis-9,cis-12-Octadecadienoic acid(60-33-3)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
cis-9,cis-12-Octadecadienoic acid
Synonyms
(9Z,12Z)-Octadeca-9,12-dienoic acid
cis,cis-9,12-Octadecadienoic acid
Linolic acid
Telfairic acid
CAS
60-33-3
Formula
C18H32O2
Molecular Weight
280.45
EINECS
200-470-9
RTECS
RF9990000
RTECS Class
Primary Irritant
Merck
13,5527
Beilstein/Gmelin
1727101
Beilstein Reference
4-02-00-01754

Physical and Chemical Properties

Appearance
Colorless to straw colored liquid.
Solubility in water
Insoluble
Melting Point
-5
Boiling Point
360
Vapor Pressure
3.5E-5 (25 C)
Density
0.905 g/cm3 (15 C)
pKa/pKb
4.77 (pKa)
Partition Coefficient
7.05
Heat Of Vaporization
66.6 kJ/mol
Usage
Manufacture paints, coatings, emulsifiers, vitamins, nutrient.
Refractive Index
1.4715 (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. Keep container tightly closed. 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
Contact may cause transient eye irritation.
EC Safety Phrase
S 24/25

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
194
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.
Upper exp. limit
2.9
Lower exp. limit
.4
Fire Potential
This material 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.
Contact More