Industrial chemicals · Taylor, TXTechnical Data Sheet
100% USP Grade Pure Castor Oil
USP Grade · 100%
- CAS number
- 8001-79-4
- Structure
Structure · PubChem - Grade
- USP Grade · 100%
Identity & Composition
- Product Name
- 100% USP Grade Pure Castor Oil
- Alliance Code
- 100-usp-pure-castor-oil
- Grade
- USP Grade
- Concentration
- 100%
- CAS Number
- 8001-79-4Adjudicated
- Formula
- —Adjudicated
- Molecular Weight
- —Adjudicated
- Product Type
- Solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (triglyceride of ricinoleic acid) | NLT 90.0% | 99.6 % | USP <401> / GC of fatty acid methyl esters | Interpreted |
| Acid Value | NMT 2.0 | 0.31 | USP <401> Fats and Fixed Oils, Procedures, Acid Value | Interpreted |
| Composition of fatty acids — Ricinoleic acid | 85.0–92.0 | 87.9 | GC, USP Fats and Fixed Oils <401> | Interpreted |
| Distinction from most other fixed oils | It is only partly soluble in solvent hexane (distinction from most other fixed oils), but it yields a clear liquid with an equal volume of alcohol (foreign fixed oils). | Passes test | Solubility in solvent hexane / alcohol | Interpreted |
| Heavy Metals, Method II | 0.001% max | 0.00008 % | Heavy metals (as Pb), sulfide colour comparison against lead standard | Interpreted |
| Hydroxyl Value | 160–168 | 164 | USP <401> Fats and Fixed Oils, Procedures, Hydroxyl Value | Interpreted |
| Lead | Not more than 0.1 mg/kg | 0.009 mg/kg | FCC lead limit test / ICP-MS | Interpreted |
| Peroxide Value | NMT 10.0 | 1.8 | USP <401> Fats and Fixed Oils, Procedures, Peroxide Value | Interpreted |
| Unsaponifiable Matter | NMT 0.8% | 0.34 % | USP <401> Fats and Fixed Oils, Procedures, Unsaponifiable Matter | Interpreted |
| Water | NMT 0.3% | 0.059 % | USP <921> | Interpreted |
| Free Fatty Acids | NMT 3.5 mL of 0.10 N sodium hydroxide per 10 g (≈1.0% max as oleic) | Passes test | USP | Interpreted |
| Iodine Value | 83 – 88 | 86.0 | USP | Interpreted |
| Saponification Value | 176 – 182 | 179 | USP | Interpreted |
| arsenic as as | 1.5 ppm max | 0.054 ppm | — | Interpreted |
| cadmium as cd | 0.5 ppm max | 0.0038 ppm | — | Interpreted |
| cis-11-eicosenoic acid | 1 % max | 0.35 % | — | Interpreted |
| identification of castor oil by ultraviolet absorption | 0.7 - 1.5 Abs | 1.1 | — | Interpreted |
| linoleic acid | 2.5 - 7 % | 4.76 % | — | Interpreted |
| linolenic acid | 1 % max | 0.46 % | — | Interpreted |
| mercury as hg | 3 ppm max | 0.0016 ppm | — | Interpreted |
| n-hexane | 290 ppm max | 1.0 ppm | — | Interpreted |
| oleic acid | 2.5 - 6 % | 4.26 % | — | Interpreted |
| other unidentified fatty acid | 1 % max | 0.17 % | — | Interpreted |
| palmitic acid | 2 % max | 1.0 % | — | Interpreted |
| stearic acid | 2.5 % max | 1.3 % | — | Interpreted |
Values are reproduced from the current product reference. Source labels do not by themselves establish a supplier guarantee or a test result for your lot. Confirm applicable acceptance limits and request lot-specific documentation.
Available GradesSame CAS, alternate grades and concentrations
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade USP Grade | 100% | — | current | current |
| ACS Grade | 100% | — | 100-pure-castor-oil-acs-grade | View TDS → |
| Technical | 100% | — | 100-pure-castor-oil | View TDS → |
Typical assay shown is the rolling-window mean from the sibling product's most recent lots. Grade selection drives downstream end-use — verify the sibling grade matches your specification before substitution.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Pale yellow viscous liquid, translucent smooth | Adjudicated |
| Form | Liquid | Published reference |
| Color | NMT 2 | Interpreted |
| Odor | Faint, characteristic vegetable-oil odor | Adjudicated |
| Specific Gravity | 0.958–0.969 at 15–25 °C (water = 1) | Adjudicated |
| Boiling Point | About 313 °C (595 °F), with decomposition | Adjudicated |
| Melting Point | About -10 °C (14 °F); thickens and begins to solidify below this | Adjudicated |
| Flash Point | 229 °C (444 °F), closed cup | Adjudicated |
| Vapor Pressure | Negligible at 20 °C | Adjudicated |
| Solubility (water) | Insoluble in water; soluble in ethanol | Adjudicated |
| Refractive Index (nD 20) | 1.477 - 1.481 | Interpreted |
| Viscosity | 600–800 cSt at 25 °C | Adjudicated |
Materials of Construction
| Material | Rating | Conditions | Source |
|---|---|---|---|
| HDPE | Compatible | — | novaind.in |
| Steel | Compatible | — | novaind.in |
| Mild steel (MS drums) | Compatible | — | biapur.ru |
Compatibility is drawn from published manufacturer and supplier documentation for this product; each rating is sourced. Confirm against your specific duty cycle before equipment selection.
Regulatory & Transport
DOT / 49 CFR
- UN Number
- Not regulatedAdjudicated
- Hazard Class
- Not regulatedAdjudicated
- Packing Group
- Not regulatedAdjudicated
- Proper Shipping Name
- Not regulatedAdjudicated
GHS / OSHA HCS 2024
- Signal Word
- Not regulatedAdjudicated
- H-Codes (Hazard Statements)
- Not applicableAdjudicated
- P-Codes (Precautionary Statements)
- Not applicableAdjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- —no canonical
- ACGIH TLV
- —no canonical
- NIOSH REL
- —no canonical
- NIOSH IDLH
- —no canonical
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Health & Fire Hazard
Acute Toxicology
- LD₅₀ Oral (rat)
- > 5,000 mg/kg (rat, read-across)Adjudicated
Acute toxicology values from SDS Section 11 or NIOSH RTECS.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for 100% USP Grade Pure Castor Oil. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Pharmacopoeial castor oil is used as a stimulant laxative and emollientmubychem.com
- USP Castor Oil may be used in the manufacture of injectable dosage forms when so labeledtrungtamthuoc.com
- Industrial raw material for manufacture of castor oil derivatives (HCO, 12-HSA, ricinoleic acid) and for leather, textile, resin, paint and cosmetic manufacturebiapur.ru
- Chemical precursor for derivatives such as sebacic acid and 12-hydroxystearic acidnovaind.in
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
Storage & Handling
- Recommended Storage
- Keep closed in a cool, dry place out of direct sunlight to slow rancidity. Store away from oxidizers.Adjudicated
- Handling Precautions
- Use standard chemical PPE — splash goggles, gloves, lab coat. Refer to SDS for hazard-specific PPE requirements.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Strong oxidizing agents; strong acids and bases.Adjudicated
- Shelf Life
- 12 monthsacme-hardesty.comFrom date of manufacture, kept at ambient temperatures, unopened
For full hazard, PPE, and emergency response guidance, refer to the Safety Data Sheet (SDS) for this product. The SDS controls in all cases where guidance differs.
Packaging & Logistics
Shipping Description (US DOT)
Not regulated for transport.
Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-06-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.4 | 2026-10-07 | Canonical data updated: 21 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-10-02 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-09-30 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-06-17 | Canonical data re-verified: 4 fields updated against independent vendor SDSs, CLP Annex VI, 49 CFR, and OSHA HazCom 2024 (GHS classification, hazard/precautionary codes, signal word, physical properties as applicable).
| canonical_change |
| 1.0 | 2026-05-20 | Initial URL-first TDS published from canonical chemistry registry. | initial |
This Technical Data Sheet is provided for technical reference. The Safety Data Sheet (SDS) controls in all cases where guidance differs. Values reflect Alliance Chemical canonical data at time of generation; subsequent revisions are recorded in the Revision History above.