Vitamin E D-Alpha-Tocopheryl Succinate

Vitamin E D-Alpha-Tocopheryl Succinate (CAS 4345-03-3) is the esterified succinate form of natural-source d-alpha-tocopherol.

Where is Vitamin E D-Alpha-Tocopheryl Succinate used?

• Food and nutraceutical: antioxidant and stabiliser in supplements and fortified foods
• Pharmaceutical: solid oral dosage forms such as capsules and tablets
• Personal care: skin-conditioning antioxidant and stabiliser in serums, creams and topical treatments
• Its non-hygroscopic character simplifies direct compression and blending operations.

Good to know: Recognised under EU Regulation (EC) No 432/2012 for vitamin E's contribution to normal protection of cells from oxidative stress; listed as D-alpha-tocopheryl acid succinate in Annex II of Directive 2002/46/EC and Annex II of Regulation (EC) No 1925/2006.

Commercial specifications

• Potency typically 1185 IU/g or 1210 IU/g; 1 mg d-alpha-tocopherol equivalent to 1.49 IU
• Grades meeting USP and Ph. Eur. monographs
• HS code 2936.28
• 25 kg cartons or drums; 1–5 kg pack sizes for development batches