Castor Oil
ELFATTM – CAS IND
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Castor oil is a pale yellow, viscous liquid derived from the seeds of the Ricinus communis plant. It is widely used in the cosmetic, pharmaceutical, lubricant, and industrial sectors due to its unique…
CAS Number
8001-79-4
HS Code
15.15.30.90
INCI Name
Castor Oil
Molecular Formula
C₅₇H₁₀₄O₉
Castor Oil
ELFATTM – CAS IND
Castor oil is a pale yellow, viscous liquid derived from the seeds of the Ricinus communis plant. It is widely used in the cosmetic, pharmaceutical, lubricant, and industrial sectors due to its unique fatty acid profile, primarily ricinoleic acid.
CAS Number
8001-79-4
INCI Name
Castor Oil
HS Code
15.15.30.90
Molecular Formula
C₅₇H₁₀₄O₉
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Product Specification
Physical Properties
| Property | Specification |
|---|---|
| Appearance | Clear almost colorless or slightly yellow viscous liquid |
| Odor | Slight characteristic odor |
| Molecular Weight (G/Mol) | 933.4 |
| Density Or Specific Gravity | 0.955 g/mL at 25 °C |
| Refractive Index | n20/D 1.478(lit.) |
Chemical Properties
| Property | Specification |
|---|---|
| Incompatibilities | Strong oxidizing agents. |
| Hazardous Reactions | Castor oil can develop heat spontaneously in the air |
Thermal Properties
| Property | Specification |
|---|---|
| Melting Point | -10°C |
| Boiling Point | 313 °C(lit.) |
| Autoignition Temperature | 449°CA |
Processing Methods & Reference Formulations
A. Cosmetic creams
When adding Ricinus Communis (Castor) Seed Oil in cream formulations, include it in the oil phase and heat gently (around 70°C) for proper emulsification. Its high viscosity enhances richness but may affect spreadability, balance with lighter oils if needed. Mix thoroughly to ensure a smooth, stable cream texture.
| Key Ingredients | Indicative Dosage (% w/w) |
|---|---|
| Carnauba Wax | 4.5% |
| Tridecyl Trimellitate | 11.5% |
| Castor Oil | 6% |
| Butylparaben | 0.06% |
| Magnesium Stearate | 3% |
| Polymethyl Methacrylate | 10% |
| Corn Starch | 5% |
| Mica | 21% |
| Talc | 20% |
| Silica | 2% |
| Cetearyl Octanoate | 8% |
B. Cosmetic lipstick
When adding Ricinus Communis (Castor) Seed Oil in lipstick, include it in the oil phase and heat with waxes to ensure proper fusion. Its high viscosity helps bind ingredients and enhances payoff. Stir thoroughly during cooling to prevent graininess and ensure a uniform texture.
| Key Ingredients | Indicative Dosage (% w/w) |
|---|---|
| Candelilla Wax | 4% |
| Carnauba Wax | 6% |
| Isoeicosane | 6% |
| Polyisobutene | 3.5% |
| Isopropyl Palmitate | 11% |
| Tridecyl Trimellitate | 10% |
| PEG-4 Diheptanoate | 4% |
| Octyl Palmitate | 8.35% |
| Castor Oil | 23% |
| Propylparaben | 0.1% |
| BHT | 0.05% |
| Sericite PHN | 1% |
| Silica | 1.5% |
| Titanium Dioxide | 2% |
| Colorant | 6.5% |
C. Makeup foundation lotion
In foundation formulation, add Ricinus Communis (Castor) Seed Oil to the oil phase for its pigment-dispersing and emollient properties. Heat gently and mix thoroughly to ensure even distribution and a smooth, long-wearing texture.
| Key Ingredients | Indicative Dosage (% w/w) |
|---|---|
| 60-80% | 60-80% |
| Emulsifiers (e.g., Stearic Acid, Sorbitan Stearate) | 1-6% |
| Emollients (e.g., Castor Seed Oil) | 8-20% |
| Pigments (e.g. titanium dioxide) | 5-15% |
| Thickeners (e.g., xanthan gum) | 0.1-1% |
| Preservatives, fragrance, additives |
D. Lip balm
In lip balm formulation, add Ricinus Communis (Castor) Seed Oil to the oil phase for its thick, glossy texture and excellent pigment dispersion. Heat gently with other oils and waxes to ensure uniform blending and a smooth, moisturizing finish.
| Key Ingredients | Indicative Dosage (% w/w) |
|---|---|
| Nicotinamide | 0.05% |
| Avobenzone | 0.22% |
| Zinc oxide | 0.13% |
| Titanium dioxide | 0.10% |
| Polyglyceryl-2 triisostearate | 30% |
| Beeswax | 5.5% |
| Olive wax | 3% |
| Alkene wax | 4% |
| Castor oil | 18% |
| Liquid paraffin | 24% |
| Peppermint essential oil | 5% |
| Ethylparaben | 4% |
| Chrysanthemum extract | 6% |
Dosing Guidelines
A. Dosing by Application
| Products | Authorized dosage % |
|---|---|
| Cosmetic creams/ Lotions | Upto 12.5% |
| Lip balm/ Lipstick | Upto 30% |
About Castor Oil
Castor Oil is a high-quality vegetable oil valued for its excellent stability, versatility, and rich composition of ricinoleic acid. Derived from premium-grade castor seeds, the oil is refined under controlled conditions to maintain its purity, clarity, and chemical integrity.
Its unique chemical structure makes Castor Oil compatible with a wide range of formulations, whether used in cosmetics, pharmaceuticals, or heavy industrial applications. The oil forms a protective film, providing outstanding lubrication and moisture retention properties.
Thanks to its natural origin and therapeutic profile, Castor Oil is widely used in products aimed at skincare repair, hair growth, and moisturization. Industrial-grade variants are highly demanded for their excellent viscosity, thermal stability, and film-forming capabilities.
To maintain its quality, Castor Oil should be stored in airtight HDPE drums away from moisture and direct sunlight. Reliable castor oil manufacturers and suppliers ensure consistency, purity, and compliance with global industry standards.
Features of Castor Oil
- High Ricinoleic Acid Content: Ensures strong moisturizing, anti-inflammatory, and industrial lubrication properties.
- Versatile Applications: Suitable for cosmetics, pharmaceuticals, lubricants, and industrial formulations.
- Excellent Solubility: Easily blends with organic solvents for easy formulation.
- Natural & Biodegradable: Eco-friendly alternative to synthetic oils.
- Stable & Long-Lasting: High oxidative stability ensures longer shelf life.
- Available in Multiple Grades: Cosmetic grade, pharmaceutical grade, and industrial grade available.
Why Source Castor Oil Through Elchemy?
- Verified Castor Oil Manufacturer Network: Every castor oil mill in the Elchemy network is pre-audited for purity, processing method, and export track record before onboarding. You deal with one accountable partner for both cosmetic and industrial grades, and we manage supplier risk.
- Bulk & Wholesale Supply with Per-Kg Pricing: Source castor oil (CAS 8001-79-4) from sample bottles up to drums and flexitanks, priced per kg and scaled to your volume, with a binding quote — price, lead time, and incoterm — within 24 business hours.
- Cold-Pressed, Hexane-Free & Organic Options: Elchemy can source cold-pressed/pale-pressed grades, hexane-free material, and organic-certified castor oil for clean-beauty and sensitive-skin formulations, with traceability on request.
- Cosmetic & Industrial Grades, Fully Documented: From cosmetic-grade for hair and skin care to first special grade and commercial (BSS) grade for lubricants, coatings, and derivatives — every order ships with COA, TDS, and SDS.
- Samples Dispatched in 24–48 Hours: Test before you commit. COA-backed samples are dispatched within 24–48 hours of confirmation, so formulation trials and procurement decisions keep moving.
- Sustainably Sourced Supply, 40+ Country Reach: Elchemy can source sustainably and responsibly produced castor oil with traceability for ethical, cruelty-free supply chains, delivered worldwide with full export documentation.
About Castor Oil
Castor Oil is a high-quality vegetable oil valued for its excellent stability, versatility, and rich composition of ricinoleic acid. Derived from premium-grade castor seeds, the oil is refined under controlled conditions to maintain its purity, clarity, and chemical integrity.
Its unique chemical structure makes Castor Oil compatible with a wide range of formulations, whether used in cosmetics, pharmaceuticals, or heavy industrial applications. The oil forms a protective film, providing outstanding lubrication and moisture retention properties.
Thanks to its natural origin and therapeutic profile, Castor Oil is widely used in products aimed at skincare repair, hair growth, and moisturization. Industrial-grade variants are highly demanded for their excellent viscosity, thermal stability, and film-forming capabilities.
To maintain its quality, Castor Oil should be stored in airtight HDPE drums away from moisture and direct sunlight. Reliable castor oil manufacturers and suppliers ensure consistency, purity, and compliance with global industry standards.
Features of Castor Oil
- High Ricinoleic Acid Content: Ensures strong moisturizing, anti-inflammatory, and industrial lubrication properties.
- Versatile Applications: Suitable for cosmetics, pharmaceuticals, lubricants, and industrial formulations.
- Excellent Solubility: Easily blends with organic solvents for easy formulation.
- Natural & Biodegradable: Eco-friendly alternative to synthetic oils.
- Stable & Long-Lasting: High oxidative stability ensures longer shelf life.
- Available in Multiple Grades: Cosmetic grade, pharmaceutical grade, and industrial grade available.
Why Source Castor Oil Through Elchemy?
- Verified Castor Oil Manufacturer Network: Every castor oil mill in the Elchemy network is pre-audited for purity, processing method, and export track record before onboarding. You deal with one accountable partner for both cosmetic and industrial grades, and we manage supplier risk.
- Bulk & Wholesale Supply with Per-Kg Pricing: Source castor oil (CAS 8001-79-4) from sample bottles up to drums and flexitanks, priced per kg and scaled to your volume, with a binding quote — price, lead time, and incoterm — within 24 business hours.
- Cold-Pressed, Hexane-Free & Organic Options: Elchemy can source cold-pressed/pale-pressed grades, hexane-free material, and organic-certified castor oil for clean-beauty and sensitive-skin formulations, with traceability on request.
- Cosmetic & Industrial Grades, Fully Documented: From cosmetic-grade for hair and skin care to first special grade and commercial (BSS) grade for lubricants, coatings, and derivatives — every order ships with COA, TDS, and SDS.
- Samples Dispatched in 24–48 Hours: Test before you commit. COA-backed samples are dispatched within 24–48 hours of confirmation, so formulation trials and procurement decisions keep moving.
- Sustainably Sourced Supply, 40+ Country Reach: Elchemy can source sustainably and responsibly produced castor oil with traceability for ethical, cruelty-free supply chains, delivered worldwide with full export documentation.
Regulatory Compliance
| Region | Max Allowed Level | Notes | Certification Body |
|---|---|---|---|
| China | - | No explicit legal maximum. | - |
| Japan | - | No explicit legal maximum. | - |
| Korea, Republic of | - | No explicit legal maximum. | - |
| United States | - | Recognized as safe for use in cosmetics by the Cosmetic Ingredient Review (CIR). Products must be non-irritating and properly labeled, but concentrations up to and including 77.8% are considered acceptable and safe based on current regulatory and safety reviews. | FDA |
| ASEAN | - | No explicit legal maximum. | - |
| European Union | - | No explicit legal maximum. Permitted for use in all cosmetics if safe. | - |
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