INTRODUCTION
Linoleic acid is a polyunsaturated omega-6 fatty acid. It is a colorless liquid that is virtually insoluble in water but soluble in many organic solvents. It typically occurs in nature as a triglyceride (ester of glycerin) rather than as a free fatty acid.
Manufacture
Linoleic acid is obtained from the hydrolysis -chemical decomposition in which a compound is split into other compounds by reacting with water- of vegetable oils rich in linoleic acid (mainly sunflower and soybean oils). The obtained fatty acid is purified by further distillation.
| Synonym | (9Z,12Z)-octadeca-9,12-dienoic acid Telfairic acid |
| CAS no. | 60-33-3 |
| EINECS no. | 200-470-9 |
| Molecular formula | C18H32O2 |
| Molecular weight | 280.4 g/mol |
| Structure |  |
APPLICATIONS
| Linoleic acid finds extensive uses in various industries: |
|---|
| Cosmetic: protects the skin against loss of water and hence is used in moisturizers; it has anti-inflammatory properties and is used for acne reduction. |
| Industrial: In the paints industry for manufacture of quick-drying oils which are used in oil paints and varnishes; making soaps, emulsifiers, and surfactants; to manufacture Arachidonic acid which has several health benefits. |
| Pharmaceutical: Since it is an essential fatty acid, it is used as a dietary supplement. |
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Appearance | – | Yellowish liquid |
| Color (Fe-Co Method) | – | ≤ 3.0 |
| Acid Value | mg KOH/g | 195.0 – 205.0 |
| Iodine Value (Wij’s method) | gI2/100 g | ≥ 145.0 |
| Moisture | % | ≤ 0.5 |
| Linoleic acid content (By GC) | % | 78.0 – 82.0 |
PACKING
Export worthy metal drums
STORAGE
Store under Nitrogen. Keep container tightly closed in a dry and well-ventilated place.
REACH Status
Not registered yet
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