Zhejiang Worldbestve Biotechnology Co., Ltd. · Professional Manufacturer of Natural Vitamin E
Origin: China · Edition 2026
SPECIFICATION SHEETD-Alpha-Tocopheryl Acetate (Powder)
D-Alpha-Tocopheryl Acetate Powder
CAS No.: 58-95-7 | Free-flowing powder (microencapsulated)
CAS No.58-95-7
FormFree-flowing powder (microencapsulated)
StandardsGB 1886.233-2016, FCC, USP, E306
Shelf Life24 Months
Specification
| Specification | Limit | Method |
|---|---|---|
| Appearance | Free-flowing powder (microencapsulated) | In house |
| Identification | Passes tests | USP method C |
| Specific Rotation | Min. +24° | USP |
| Loss on Drying | Max. 5.0% | In house |
| Free Tocopherols | Max. 1.0% | In house |
| Heavy Metal (as Pb) | Max. 10 mg/kg | GB 5009.268-2016 |
| Lead | Max. 2 mg/kg | GB 5009.268-2016 |
| Arsenic | Max. 2 mg/kg | GB 5009.268-2016 |
| Cadmium | Max. 1 mg/kg | GB 5009.268-2016 |
| Mercury | Max. 0.1 mg/kg | GB 5009.268-2016 |
| PAH4 | Max. 10 ppb | In house |
| Benzo[a]pyrene | Max. 2.0 ppb | In house |
| Pesticide Residues | Complies with Regulation (EU) No. 396/2005 | In house by Eurofins |
| Residual Solvents | Complies with Directive 2009/32/EC | In house by Eurofins |
| Dioxins | Complies with Regulation (EU) No. 1881/2006 | In house by Eurofins |
| Melamine | Max. 2.5 mg/kg | In house by Eurofins |
| Total Plate Count | Max. 1000 cfu/g | USP<61> |
| Yeasts & Molds | Max. 100 cfu/g | USP<61> |
| E. coli | Negative | USP<61> |
| Staphylococci | Negative | USP<61> |
| Salmonella | Negative | USP<61> |
Available Grades
| Grade | Assay (IU/g) | d-alpha Acetate | Packaging |
|---|---|---|---|
| TA-Powder 340IU (25%, feed) | 340 | ≥ 25.00% | 20 kg fiber drum (foil bag) |
| TA-Powder 700IU (50%) | 700 | ≥ 51.5% | 10 / 20 kg foil bag, fiber drum |
| TA-Powder 950IU (70%) | 950 | ≥ 70.0% | 5 / 25 kg fiber drum |
Packaging & Storage
Packaging: 5 / 10 / 20 / 25 kg fiber drum with inner foil bag.
Storage: Store in tightly closed containers, cool and dry. Protect from heat, light and oxygen.
Product Note: Microencapsulated powder for dry blends, premixes, tablets and food fortification where a liquid oil is impractical.
This datasheet is a summary for customer reference. The binding quality is defined by the Certificate of Analysis (COA) shipped with each batch. Parameters are subject to optimization; please refer to the latest edition.
Worldbestve · sales@worldbestve.com · +86-579-88230768 · Lanxi, Zhejiang, China