Description

D-δ-Tocopherol is a specific, naturally occurring stereoisomer of vitamin E, known for its potent antioxidant properties. This high-purity compound is critical for applications where precise molecular configuration and biological activity are required. It is essential for manufacturers in the nutraceutical, pharmaceutical, and high-end cosmetic industries seeking to formulate advanced antioxidant and stabilizing systems.

Application

• Nutraceutical & Dietary Supplements: As a key active ingredient in premium vitamin E formulations and specialized antioxidant blends.
• Pharmaceutical Intermediates: Used in the synthesis of specialized pharmaceutical agents requiring the specific δ-tocopherol stereochemistry.
• Cosmetic & Personal Care: Incorporated into anti-aging serums, creams, and lotions for its skin-protective and stabilizing effects.
• Food Fortification: Employed as a natural antioxidant (E306) in high-value food products and edible oils to prevent rancidity.
• Animal Nutrition: Added to premium feed for livestock and pets to enhance nutritional value and shelf life.
• Research & Development: Serves as a pure standard in analytical chemistry, biochemistry, and nutritional science research.

Basic Information

Product Name	D-δ-Tocopherol
CAS No.	119-13-1
Molecular Formula	C27H46O2
Molecular Weight	402.66 g/mol
Synonyms	(+)-δ-Tocopherol; D-δ-Tocopherol; (2R,4'R,8'R)-δ-Tocopherol; δ-Tocopherol; Vitamin E (delta form); 3,4-Dihydro-2,8-dimethyl-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran-6-ol; δ-Tocopherol; 5,7,8-Trimethyltocol
EINECS	204-299-0

Quality Control

Our D-δ-Tocopherol is produced and tested under strict quality management systems. We provide material that meets high-purity standards suitable for nutraceutical and research applications. A comprehensive Certificate of Analysis (COA) is supplied with each batch, detailing purity, identity, and impurity profiles as determined by HPLC, GC, and other relevant analytical methods.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) in a cool, dry place at 2-8°C for long-term stability. The product is easily oxidized and light-sensitive; prolonged exposure to air, heat, or light should be avoided.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous oil
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0% (as D-δ-Tocopherol)
Specific Rotation	+0.25° to +0.35° (c=1 in Ethanol)
Heavy Metals	≤ 10 ppm
Residual Solvents	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.