Mixed Tocopherols
Physical
Natural Mixed Tocopherols from vegetable oil sources occur as a yellow, clear, viscous oil with a mild, characteristic odor.
Chemical Structure
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| R1 | R2 | R3 | ||
| alpha-tocopherol | CH3 | CH3 | CH3 | |
| beta-tocopherol | CH3 | H | CH3 | |
| gamma-tocopherol | H | CH3 | CH3 | |
| delta-tocopherol | H | H | CH3 |
Specifications: Compliant with FCC Standards
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| Natural mixed tocopherols alpha-tocopherol beta-tocopherol gamma-tocopherol delta-tocopherol |
90% minimum < 20% < 5% 50-70% 15-30% |
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| Heavy metals (as lead) | < 10 ppm | |
| Specific Rotation | not less than +20º | |
| Acidity (0.1N NaOH titration) | Passes Test | |
| Identification (GC Confirmation) | Passes Test | |
| Pesticides | Within US legal limits |
Handling and Storage
- Store in tight, light-resistant containers under an inert gas atmosphere at ambient or cool conditions.
- Avoid prolonged exposure to air, light, heat, caustic, or mineral acids.
- This material should be handled and stored per label instructions to ensure product integrity.
- Contents should be used shortly after opening container or stored under an inert atmosphere.
Physical and Chemical Properties
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| Boiling Point | 200-220º C at 0.1mm Hg | |
| Melting point | ~ 2.5-3.5º C | |
| Solubility | Insoluble in water. Soluble in ethanol, acetone, cholorform, and ether. Good solubility in lipophilic solvents, oils and fats. |
The above are typical analyses but are not guaranteed.