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Castor Oil

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Castor Oil

Castor Oil is a pale yellow, viscous vegetable oil obtained from the seeds of the Ricinus communis plant. It is rich in ricinoleic acid, a unique fatty acid that gives the oil its distinctive lubricating, emulsifying, and chemical reactivity properties. Castor oil is widely used in industrial, pharmaceutical, and cosmetic applications due to its versatility and natural origin. In the chemical industry, it serves as a raw material for the production of polyurethanes, coatings, lubricants, plasticizers, and surfactants. In cosmetics and personal care, it is valued for its moisturizing, conditioning, and emollient properties. Castor oil is also used in medicinal formulations as a mild laxative and in food-grade applications in small quantities. Its biodegradability, non-toxicity, and multifunctional properties make castor oil an important renewable resource in both traditional and modern industrial applications.

Specifications

Parameter Values
Appearance Yellow, clear, viscous liquid free of suspended matter
Sp. Gravity @ 30/30°C 0.954-0.960
Moisture, Insoluble & Volatiles(MIV) (*) 0.25% max
Refractive index@ 40°C 1.4700 - 1.4740
Optical Rotation@ 25°C + 3.5° to +6.0°
lodine value (Wijs)(*), g/2/100g 82-90
Saponification value, mgKOH/q 177 - 185
Unsaponifiable matter 1% max
Free Fatty Acid (FFA) as Oleic acid 1% max
Acid Value(*), maKOH/q 2 max
Hydroxy/ Value(*), mgKOH/g 160-168
Color in Lovibond, 5.25" cell(*) 20.0Y, 2.0R max
Color on Gardner Scale 4 max
Viscosity (by Gardner-Holdt tube) 6.3 - 8.9 stokes

*Values reported on Certificate of Analysis

Other Information

Castor Oil, also known as Ricinus Oil, is a triglyceride of fatty acids like most other fats. However, it is a unique fat in that it contains 85-90% Ricinoleic acid (cis-12-hydroxyoctadec-9-enoic acid), a rare source of an eighteen-carbon hydroxylated fatty acid with one double bond.

Packing

Castor oil is offered in drums of 200kg net, in tankers and in bulk.

Also Available in Tankers
Download COA