Description
CASTOR OIL FSG GRADE
Castor oil is a thick, pale yellow vegetable oil extracted from the seeds of the castor bean plant (Ricinuscommunis). It’s used across a wide range of industries due to its unique chemical structure, rich in ricinoleic acid (a rare fatty acid).
Chemical Properties
| Property | Specification / Value |
|---|---|
| Appearance | Pale yellow, viscous, clear liquid |
| Specific Gravity @ 30°C | 0.954–0.960 |
| Viscosity @ 25°C | 710–950 cSt (680–920 cps) |
| Refractive Index @ 40°C | 1.4700–1.4810 |
| Optical Rotation | +3.5 to +6.0° |
| Acid Value | ≤ 2.0 mg KOH/g |
| Hydroxyl Value | 160–163 mg KOH/g |
| Iodine Value | 82–90 g I₂/100 g |
| Saponification Value | 175–187 mg KOH/g |
| Unsaponifiable Matter | ≤ 1.0% |
| Moisture & Volatile Matter | ≤ 0.25% |
Main Uses of Castor Oil
1. Industrial Applications
Lubricants & Greases: Used in high-performance lubricants (e.g., aviation, automotive, and machinery)
Coatings & Paints: Acts as a plasticizer in paints, varnishes, and resins
Polyurethane & Polymers: Bio-based polyols for making flexible foams and elastomers
Printing Inks & Adhesives: Enhances flexibility and adhesion
Biodiesel: Feedstock for biofuel due to high oil yield and viscosity
2. Pharmaceutical & Medicinal Uses
Laxative (FDA-approved): Powerful stimulant laxative used to relieve constipation
Topical Ointments: Helps treat skin conditions like psoriasis, eczema, and dermatitis
Wound Healing: Promotes tissue regeneration and reduces inflammation
Carrier Oil: Used in drug delivery systems and injectable formulations
3. Cosmetic & Personal Care
Hair Care Products: Promotes hair growth, reduces dandruff, and strengthens roots
Skin Moisturizers: Deeply hydrating; reduces dryness and cracking
Lip Balms & Creams: Adds shine and protects from environmental damage
Soaps & Emulsions: Emulsifier and stabilizer in handmade and industrial soaps
4. Agriculture & Veterinary
Natural Pesticide: Biodegradable alternative to synthetic pesticides
Animal Supplements: Used in formulations for digestion and joint health
5. Food Industry (Limited, Pharma Grade Only)
Flavor Carrier: Sometimes used in small amounts to carry flavors
Mold Inhibitor: In food packaging materials (indirect contact)
Castor oil is available in various grades depending on its purity, processing method, and intended application. We have CASTOR Oil FSG Grade.
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