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JIANGSU KHONOR CHEMI -CALS CO.. LIMITED
Type :Food
E No :E307
CAS N:59-02-9
Qty in 20' FCL:15MTs
Packaging :25kg Steel drums /950 kgIBC
D-alpha Tocopherol, also known as Natural Vitamin E, is a natural, fat-soluble form of vitamin E with strong antioxidant properties. It is widely used as a nutritional ingredient and antioxidant in dietary supplements, food and nutritional products, animal nutrition, cosmetics, personal care, and pharmaceutical formulations.
Our D-alpha Tocopherol is available in multiple potency grades to meet different formulation and dosage requirements, including 1000 IU/g, 1100 IU/g, 1200 IU/g, 1300 IU/g, and 1490 IU/g.
The product is supplied as a clear, brownish-red to slight-yellow oily liquid and is characterized by high purity, consistent potency, and controlled levels of residual solvents, heavy metals, Benzo(a)Pyrene, and microbiological impurities.
A typical high-potency grade meets relevant USP testing requirements, with a representative batch showing 96.5% assay and 1438 IU/g potency.
📄 Free documents available for download:
| Property | Information |
|---|---|
| Product Name | D-alpha Tocopherol |
| Synonyms | Natural Vitamin E, D-alpha Vitamin E, Natural Tocopherol |
| CAS No. | 59-02-9 |
| Molecular Formula | C29H50O2 |
| Molecular Weight | 430.71 g/mol |
| Appearance | Clear, brownish-red to slight-yellow oily liquid |
| Form | Oily liquid |
| Solubility | Fat-soluble; insoluble in water |
| Specific Rotation | ≥ +24° |
| Available Potency Grades | 1000, 1100, 1200, 1300, 1490 IU/g |
D-alpha Tocopherol is available in the following potency grades:
| Grade | Potency |
|---|---|
| D-alpha Tocopherol 1000 IU | 1000 IU/g |
| D-alpha Tocopherol 1100 IU | 1100 IU/g |
| D-alpha Tocopherol 1200 IU | 1200 IU/g |
| D-alpha Tocopherol 1300 IU | 1300 IU/g |
| D-alpha Tocopherol 1490 IU | 1490 IU/g |
The specification of each grade is controlled according to the corresponding potency requirement. Typical quality parameters include identification, assay, specific rotation, acidity, residual solvents, heavy metals, Benzo(a)Pyrene, and microbiological limits.
| Test Item | Standard Requirement | Typical Result |
|---|---|---|
| Identification – Color Reaction | Positive | Positive |
| Identification – Specific Rotation | ≥ +24° | +24.9° |
| Identification – Retention Time | Matches standard | Conform |
| Acidity | ≤ 1.0 ml | 0.2 ml |
| Assay | 96.0%–102.0% | 96.5% |
| Potency | ≥1430 IU/g | 1438 IU/g |
| Benzo(a)Pyrene | ≤2 ppb | <2 ppb |
| Toluene Residue | ≤890 ppm | 7 ppm |
| Lead | ≤1 mg/kg | <1 mg/kg |
| Arsenic | ≤1 mg/kg | <1 mg/kg |
| Cadmium | ≤1 mg/kg | <1 mg/kg |
| Mercury | ≤0.1 mg/kg | <0.1 mg/kg |
| Aerobic Plate Count | ≤1000 cfu/g | <10 cfu/g |
| Yeast & Molds | ≤100 cfu/g | <10 cfu/g |
| Escherichia Coli | Negative/g | Negative |
| Salmonella | Negative/25g | Negative |
| Staphylococcus Aureus | Negative/25g | Negative |
Testing is conducted according to applicable USP methods, including USP <467>, USP <61>, USP <62>, and USP <781>, together with appropriate instrumental analytical methods.
D-alpha Tocopherol is widely used as a natural vitamin E ingredient in softgels, capsules, tablets, liquid supplements, multivitamins, and nutritional formulations. Different potency grades allow manufacturers to select a suitable concentration according to their formulation requirements.
It can be used for vitamin E fortification in functional foods, nutritional products, and other food applications. As a fat-soluble antioxidant, it is also suitable for formulations containing oils and other lipid components.
D-alpha Tocopherol can be incorporated into animal feed, premixes, pet nutrition products, and other animal nutritional formulations as a source of vitamin E.
Due to its antioxidant properties and oil-soluble nature, D-alpha Tocopherol is commonly used in creams, lotions, facial oils, body-care products, and other cosmetic and personal care formulations.
D-alpha Tocopherol can be used as a vitamin E ingredient in pharmaceutical, nutraceutical, and specialized nutritional formulations where defined potency and controlled quality parameters are required.
Natural-source vitamin E
Available in 1000, 1100, 1200, 1300 and 1490 IU/g grades
High purity and consistent potency
Strong antioxidant properties
Suitable for both nutritional and antioxidant applications
Controlled residual solvents and heavy metals
Controlled Benzo(a)Pyrene level
Good microbiological quality
Quality testing based on relevant USP methods
Available in multiple packaging options
COA, TDS and MSDS available
D-alpha Tocopherol is available in:
Aluminum bottles: 1 kg and 5 kg
Steel drums: 20 kg, 25 kg, 50 kg and 200 kg
IBC containers: 950 kg
Store in a cool and dry place. Keep tightly sealed under nitrogen and protect from light.
Proper storage helps maintain the stability, potency, and quality of D-alpha Tocopherol during transportation and storage.
D-alpha Tocopherol is a widely used natural vitamin E ingredient for dietary supplements, food and nutritional products, animal nutrition, cosmetics, personal care, and pharmaceutical formulations. Regulatory requirements may vary depending on the application and destination market.
📧 Email: mengling@khonorchem.com
📞 Tel/WhatsApp/WeChat: +86-19851820586
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