Description

β-Tocopherol CAS NO 148-03-8 is a naturally occurring stereoisomer of vitamin E, recognized for its potent antioxidant properties. This compound is crucial for protecting sensitive ingredients from oxidative degradation, thereby extending product shelf life and maintaining efficacy. It is primarily sought by manufacturers in the nutraceutical, cosmetic, and food industries for formulating high-stability supplements, skincare products, and functional foods.

Application

• Dietary Supplements & Nutraceuticals: Used as a key antioxidant ingredient in vitamin E capsules, multivitamin blends, and specialized health formulas.
• Cosmetics & Personal Care: Incorporated into anti-aging creams, serums, sunscreens, and lotions to protect skin from free radical damage and improve product stability.
• Functional Food & Beverage Fortification: Added to oils, cereals, and beverages to prevent rancidity and enhance nutritional value.
• Animal Nutrition (Feed Additives): Used in premixes to improve the oxidative stability of feed and support animal health.
• Pharmaceutical Intermediates: Serves as a starting material or intermediate in the synthesis of specialized pharmaceutical compounds.
• Research & Development: Employed as a standard or reagent in biochemical and nutritional studies.

Basic Information

Product Name	β-Tocopherol
CAS No.	148-03-8
Molecular Formula	C28H48O2
Molecular Weight	416.68 g/mol
Synonyms	β-Tocopherol; 5,8-Dimethyltocopherol; 2-Methyl-2-(4,8,12-trimethyltridecyl)-6-chromanol; D-β-Tocopherol; Vitamin E (beta form); (2R)-2,8-Dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-6-chromanol; NSC 62799
EINECS	205-708-1

Quality Control

Our β-Tocopherol is produced and tested under strict quality management systems. We ensure compliance with relevant standards for food, cosmetic, and nutraceutical applications. Certificates of Analysis (COA) documenting purity, identity, and other critical parameters are provided with every shipment to guarantee traceability and product integrity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at temperatures between 15-25°C. This product is easily oxidized; for long-term storage, an inert atmosphere (e.g., nitrogen) is recommended to maintain optimal purity and potency. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Pale yellow to yellow viscous oil
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Specific Rotation	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents	Complies with ICH guidelines

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