| Product Identification | Back to Contents | 【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 | Back to Contents | 【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 | Back to Contents | 【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 | Back to Contents | 【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 | Back to Contents | 【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 | Back to Contents | 【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 | Back to Contents | 【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. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Bases, oxidizing agents, reducing agents. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Carbon monoxide, carbon dioxide. |
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