Castor Oil
Castor Oil is cold-pressed from dried Ricinus communis seeds. Rich in ricinoleic acid, it is traditionally used to strengthen hair, nails and eyelashes and to sheath hair fibres.
Physicochemical Snapshot
Per DAKIMO internal quality specification (typical values). Batch-specific Certificate of Analysis pending.
| Parameter | Specification | Test Method | Result |
|---|---|---|---|
| Appearance | Liquid, oily and viscous | Visual | — |
| Colour | Colorless to very slightly yellow | Visual | — |
| Density (20°C) | 0.95 – 0.96 g/cm³ | — | — |
| Refractive Index | 1.466 – 1.473 | Refractometry | — |
| Dynamic Viscosity | 925 – 1023 mPa·s | Viscometry | — |
| Acid Value (mg KOH/g) | 0.08 – 6 | ISO 660:2006 | — |
| Water Content and Volatiles (%m/m) | ≤ 0.2 | ISO 662:2006 | — |
| Insoluble Impurity (%m/m) | ≤ 0.05 | ISO 663:2006 | — |
| Saponification Value (mg KOH/g) | 177 – 189 | ISO 3657:2006 | — |
| Iodine Value | 80 – 93 | ISO 3961:2006 | — |
Fatty Acid Profile (Typical Values)
| Parameter | Specification | Test Method | Result |
|---|---|---|---|
| Ricinoleic Acid | 82 – 85 % | GC (ISO 12966) | |
| Linoleic Acid | 7 – 8 % | GC (ISO 12966) | |
| Oleic Acid | 4 – 5 % | GC (ISO 12966) | |
| Linolenic Acid | 6 – 7 % | GC (ISO 12966) | |
| Stearic Acid | 2 – 3 % | GC (ISO 12966) |
Market Compliance Notes
Raw cosmetic ingredient. REACH: see note below. Compliance with Regulation (EC) 1223/2009 (PIF, CPSR, CPNP notification, EU Responsible Person) is the responsibility of the formulator/Responsible Person for the finished product into which this ingredient is incorporated.
Raw cosmetic ingredient. UK Responsible Person, SCPN notification and UK Cosmetics Regulation compliance apply to the finished product formulated with this ingredient, not to the raw material shipment itself.
Raw cosmetic ingredient. MoCRA facility registration/product listing and Responsible Person obligations apply to the finished product; DAKIMO's facility details are available for registration reference on request.
Raw cosmetic ingredient. Health Canada Cosmetic Notification (CNF, 10-day rule) and bilingual (EN/FR) labelling apply to the finished product sold in Canada, not to the raw material shipment itself.
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