Industrial chemicals · Taylor, TXTechnical Data Sheet
100% USP Grade Pure Castor Oil
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
- C18H34O3Alliance SDS
- Molecular Weight
- 298.46 g/molAlliance SDS
- Product Type
- solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (triglyceride of ricinoleic acid) | NLT 90.0% | 100.0 % | USP <401> / GC of fatty acid methyl esters | USP monograph |
| Acid Value | NMT 2.0 | 0.35 | USP <401> Fats and Fixed Oils, Procedures, Acid Value | USP monograph |
| Composition of fatty acids — Ricinoleic acid | 85.0–92.0 | 88.5 | GC, USP Fats and Fixed Oils <401> | USP monograph |
| 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 | USP monograph |
| Heavy Metals, Method II | 0.001% max | 0.0001 % | USP | USP monograph |
| Hydroxyl Value | 160–168 | 164 | USP <401> Fats and Fixed Oils, Procedures, Hydroxyl Value | USP monograph |
| Lead | Not more than 0.1 mg/kg | 0.01 mg/kg | FCC lead limit test / ICP-MS | FCC |
| Peroxide Value | NMT 10.0 | 1.2 | USP <401> Fats and Fixed Oils, Procedures, Peroxide Value | USP monograph |
| Unsaponifiable Matter | NMT 0.8% | 0.35 % | USP <401> Fats and Fixed Oils, Procedures, Unsaponifiable Matter | USP monograph |
| Water | NMT 0.3% | 0.08 % | USP <921> | USP monograph |
| Free Fatty Acids | NMT 3.5 mL of 0.10 N sodium hydroxide per 10 g (≈1.0% max as oleic) | Passes test | USP | USP monograph |
| Iodine Value | 83 – 88 | 85.5 | USP | USP monograph |
| Saponification Value | 176 – 182 | 179 | USP | USP monograph |
| acid_value | 2 mg KOH/g max | 0.35 | — | Supplier specification |
| arsenic as as | 1.5 ppm max | 0.03 ppm | — | Supplier specification |
| cadmium as cd | 0.5 ppm max | 0.005 ppm | — | Supplier specification |
| cis-11-eicosenoic acid | 1 % max | 0.3 % | — | Supplier specification |
| identification of castor oil by ultraviolet absorption | 0.7 - 1.5 Abs | 1.1 | — | Supplier specification |
| linoleic acid | 2.5 - 7 % | 4.75 % | — | Supplier specification |
| linolenic acid | 1 % max | 0.4 % | — | Supplier specification |
| mercury as hg | 3 ppm max | 0.002 ppm | — | Supplier specification |
| n-hexane | 290 ppm max | 1 ppm | — | Supplier specification |
| oleic acid | 2.5 - 6 % | 4.25 % | — | Supplier specification |
| other unidentified fatty acid | 1 % max | 0.2 % | — | Supplier specification |
| palmitic acid | 2 % max | 1.0 % | — | Supplier specification |
| peroxide_value | 5 meq/kg max | 1.2 | — | Supplier specification |
| stearic acid | 2.5 % max | 1.0 % | — | Supplier specification |
Specification values are guaranteed limits. Typical values are representative of production lots and are not guaranteed. Lot-specific certificates of analysis ship with every order.
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 | Published reference |
| Form | Liquid | Published reference |
| Color | NMT 2 | Interpreted |
| Specific Gravity (20 °C) | 0.957 – 0.961 | USP monograph |
| Boiling Point | 313 | Published reference |
| Melting Point | -18 | Published reference |
| Flash Point | 246 | Published reference |
| Solubility (water) | Organic solvent soluble, water insoluble | Published reference |
| Refractive Index (nD 20) | 1.477 - 1.481 | Supplier specification |
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 HazCom 2012
- Signal Word
- Not regulatedAdjudicated
- H-Codes (Hazard Statements)
- —no canonical
- P-Codes (Precautionary Statements)
- —no canonical
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: ECHA CLP Annex VI for harmonised classifications, NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
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
- Preserve in tight containers, and avoid exposure to excessive heat (USP monograph packaging and storage)pharmacopeia.cn
- 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
- Consult the SDS for material-specific incompatibilities.Class-level guidance — not product-specific; the SDS controls.
- 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, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 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.