Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
100% Pure Castor Oil Technical Grade
Technical · 100%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 8001-79-4
- Structure
Structure · PubChem - Grade
- Technical · 100%
- Answer summary
Sample specification reference for 100% Pure Castor Oil Technical Grade. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-06-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Acetyl Value | 140 MIN | 146 | Titration (mg KOH/g) |
| Acid Value | Max 2.00 mg KOH/g | 0.88 | AOCS Cd 3d-63 |
| Appearance @ 25°C | Clear and free from suspended matter | Passes test | Visual |
| Color, Lovibond 5.25" cell | 20.0Y / 2.0R max. | Passes test | AOCS Cc 13e-92 |
| Free Fatty Acid (as Oleic) | 1.0 max % | 0.44 % | AOCS Ca 5a-40 |
| Free Fatty Acid (FFA) | Max 1.00 % | 0.44 % | — |
| Hydroxyl Value | Min 160 mg KOH/g | 164 | AOCS Cd 13-60 |
| Insoluble Impurities | 0.02 maximum % | 0.0062 % | AOCS Ca 3-46 |
| Iodine Value | 82 – 90 g I2/100g | 88 | AOCS Cd 1-25 |
| Optical Rotation | +3.5 - + 6.0 Deg | Passes test | Polarimetry |
| Refractive Index @ 25 °C | 1.477 - 1.481 | 1.479 | Refractometry |
| Ricinoleic Acid | 85 min % | 88.8 % | GC Analysis |
| Saponification Value | 176 - 185 mgKOH/gm | 181.3 | AOCS Cd 3-25 |
| Solubility in alcohol @ 20 °C | Complete without turbidity in two volumes of specially denatured alcohol formula 3A (95%). | Passes test | Visual, 2 volumes SDA 3A (95 %) at 20 °C |
| Relative Density @ 20 °C | 0.954 – 0.960 | 0.957 | Pycnometer / density meter |
| Unsaponifiable Matter | 1.00 % MAX | 0.32 % | Solvent extraction, gravimetric |
| Viscosity @ 25 °C | 6.3 – 8.9 Stokes | 7.6 | AOCS Tq 1a-64 |
| Moisture & Volatile Matter | 0.25 (2,500 ppm) max % | 0.12 % | AOCS Ca 2c-25 |
Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.
Need the Certificate of Analysis for your lot? Just ask.
Tell us the lot number from the container label and we will send the certificate over at no charge.