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Commercial Fulfillment Snapshot
Buy 100% Pure Castor Oil ACS Grade with faster decisions and fewer back-and-forth emails.
Ships from Taylor, Texas. In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship same business day. Order online 24/7.
Who Buys This
- Pharmaceutical manufacturers
- Cosmetic formulators
- Industrial lubricant suppliers
- Biodiesel producers
- Analytical laboratories
Purity / Grade Guide
- ACS Grade meets rigorous standards
- Laboratory & analytical applications
- High-end cosmetic formulations
- Pharmaceutical excipient use
Pack Sizes
- 1 Quart: lab & small jobs
- 1 Gallon: shop & maintenance
- 5 Gallon: production & regular use
- 15 Gallon: mid-volume operations
- 55 Gallon: bulk drum
- 275 Gallon: high-volume tote
- 330 Gallon: max-volume tote
SDS / COA / TDS
- SDS with every shipment
- COA showing 99%+ purity
- Non-regulated ground shipment
- ACS specifications verified
Small Packs: UPS Ground nationwide for pints, quarts, and gallons.
LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.
Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.
Product Overview
100% Pure Castor Oil ACS Grade is a high-purity triglyceride derived from Ricinus communis seeds, manufactured to meet or exceed American Chemical Society (ACS) reagent specifications. This premium grade ensures minimal impurities, making it the preferred choice for critical laboratory analysis, chemical synthesis, and high-precision industrial formulations. Distinct from technical grades, ACS Grade Castor Oil offers a strictly controlled profile for viscosity, specific gravity, and acid value.
Characterized by a high concentration of ricinoleic acid, this oil exhibits unique chemical properties, including high viscosity (approx. 850 cP at 25°C) and excellent thermal stability with a flash point of 232°C. It serves as a superior renewable building block for polyurethanes, a plasticizer in coatings, and a bio-based lubricant in mechanical systems requiring high lubricity. Its solubility in alcohols and insolubility in water make it versatile for solvent extraction and phase separation processes.
Key Properties
- Product Name: Castor Oil, ACS Reagent Grade
- CAS Number: 8001-79-4
- Grade: ACS (American Chemical Society)
- Appearance: Pale yellow to colorless viscous liquid
- Density (25°C): 0.961 g/mL
- Viscosity (25°C): 800–1000 cP
- Boiling Range: ~313°C
- Flash Point: 232°C (450°F) Closed Cup
- Solubility: Soluble in alcohol, ether, chloroform; Insoluble in water
- Molecular Weight: ~875.00 g/mol (Triglyceride average)
Common Applications
- Laboratory Reagent: Used as a standard in analytical chemistry and chromatography.
- Polyurethane Synthesis: Primary polyol source for bio-based polymers and foams.
- Industrial Lubricants: High-temperature lubricant base due to shear stability and lubricity.
- Coatings & Adhesives: Plasticizer in lacquers and flexible coating formulations.
- Pharmaceutical Excipients: High-purity vehicle for non-active formulation support.
Safety & Handling
Store in a cool, dry area away from direct sunlight and strong oxidizing agents. Keep containers tightly closed when not in use to prevent oxidation. Recommended storage temperature is below 25°C. Use appropriate Personal Protective Equipment (PPE), including safety glasses and chemical-resistant gloves, when handling bulk quantities.
Safety Data Information: Class 9 Miscellaneous Hazardous Material (UN 3082, Environmentally hazardous substance, liquid, n.o.s.). Causes serious eye irritation (Category 2A) and skin irritation (Category 2). Wash thoroughly after handling. Refer to the Safety Data Sheet (SDS) for detailed spill cleanup and emergency procedures.
Related Products
| Property | Value |
|---|---|
| Molecular Weight | 298.46 g/mol |
| Formula | C18H34O3 |
| Assay | 100% |
| Grade | ACS |
| Flash Point | 254 |
| Form | Liquid |
| Solubility | Insoluble in water |
| Appearance | Pale yellow viscous |
| Melting Point | -10 °C |
| Boiling Point | 313 °C |
| Specific Gravity | 0.961 |
| Industry | Botanical, Industrial, Other |
Frequently Asked Questions About 100% Pure Castor Oil ACS Grade
What is 100% Pure Castor Oil ACS Grade and what is its chemical formula?
100% Pure Castor Oil ACS Grade is a chemical compound with the molecular formula C18H34O3, registered under CAS Number 8001-79-4 by the Chemical Abstracts Service (PubChem), with a molecular weight of 298.46 g/mol. Alliance Chemical supplies 100% Pure Castor Oil ACS Grade in ACS grade for laboratory, industrial, and commercial applications.
What are the physical properties of 100% Pure Castor Oil ACS Grade?
According to the NIOSH Pocket Guide to Chemical Hazards, 100% Pure Castor Oil ACS Grade is supplied as a liquid with a pale yellow viscous appearance. It has a melting point of -10°C, a boiling point of 313°C, a flash point of 254. The specific gravity is 0.961 relative to water. Solubility: Insoluble in water.
What grade and purity of 100% Pure Castor Oil ACS Grade does Alliance Chemical offer?
Alliance Chemical offers 100% Pure Castor Oil ACS Grade in ACS grade with a purity assay of 100%. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.
What are common industrial applications of 100% Pure Castor Oil ACS Grade?
100% Pure Castor Oil ACS Grade serves a wide range of sectors, including Botanical, Industrial, and Other.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling 100% Pure Castor Oil ACS Grade?
OSHA-mandated PPE per 29 CFR 1910.132-138:Nitrile gloves (8+ mil), safety goggles, flame-resistant clothing, grounded footwear, closed-toe chemical-resistant footwear. Respiratory protection (organic vapor cartridge) required in areas exceeding PEL/TLV per 29 CFR 1910.134. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.
What are the storage requirements for 100% Pure Castor Oil ACS Grade?
Store perOSHA 29 CFR 1910.106: Approved flammable storage cabinet, maximum 60 gallons per cabinet, grounding/bonding required. Temperature range:15-25°C. Segregate from:oxidizers, ignition sources. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for 100% Pure Castor Oil ACS Grade?
Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 100 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Absorb with vermiculite or commercial spill kits. (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.
What is the DOT shipping classification for 100% Pure Castor Oil ACS Grade?
DOT Classification per 49 CFR 172.101:UN1993 (Flammable Liquid, N.O.S.), Hazard Class3 (Flammable), Packing GroupII/III. Requires: Hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.
How must 100% Pure Castor Oil ACS Grade waste be disposed?
Disposal per RCRA (40 CFR 261-265):Characteristic waste D001 (Ignitable, flash point <60°C). Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.
Does Alliance Chemical provide an SDS and COA for 100% Pure Castor Oil ACS Grade?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of 100% Pure Castor Oil ACS Grade. The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.
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