Description

Lipoic Acid Tromethamine Salt is a stable, water-soluble salt form of the essential cofactor α-lipoic acid. This compound is critical for enhancing the stability and bioavailability of lipoic acid in various formulations, ensuring consistent performance. It is primarily sought by manufacturers in the pharmaceutical, nutraceutical, and advanced cosmetic industries for high-purity applications.

Application

• Pharmaceutical Intermediates: Used in the synthesis of injectable and oral formulations requiring enhanced solubility and stability.
• Dietary Supplements & Nutraceuticals: A key active ingredient in high-end antioxidant and metabolic support supplements.
• Cosmetic & Skincare Formulations: Incorporated into anti-aging serums and creams for its potent antioxidant and skin-brightening properties.
• Biochemical Research: Serves as a critical reagent in enzymatic studies and cellular energy metabolism research.
• Veterinary Pharmaceuticals: Used in specialized animal health products for metabolic and neurological support.

Basic Information

Product Name	Lipoic Acid Tromethamine Salt
CAS No.	137314-40-0
Molecular Formula	C11H19NO4S2 • C4H11NO3
Molecular Weight	Approx. 437.55 g/mol
Synonyms	α-Lipoic Acid Tromethamine Salt; Thioctic Acid Tromethamine Salt; (±)-α-Lipoic Acid Tris Salt; 1,2-Dithiolane-3-pentanoic Acid, 5-(1,2-Dithiolan-3-yl)valeric Acid Tromethamine Salt; ALA Tromethamine; 6,8-Thioctic Acid Tromethamine Salt; R,S-α-Lipoic Acid Tromethamine Salt; DL-α-Lipoic Acid Tris(hydroxymethyl)aminomethane Salt
EINECS	Contact for details

Quality Control

Our Lipoic Acid Tromethamine Salt is manufactured under strict quality systems. Each batch is tested to ensure it meets high-purity standards suitable for pharmaceutical and nutraceutical applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee supply reliability and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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