Description

Magnesium Tartrate is the magnesium salt of tartaric acid, a compound valued for its role as a bioavailable magnesium source and a stabilizing agent. This product is essential for formulators requiring a mineral supplement that is compatible with organic matrices and offers good solubility characteristics. Key industries that utilize this material include nutraceuticals, food fortification, and pharmaceutical manufacturing.

Application

• Nutraceutical & Dietary Supplements: Used as a source of bioavailable magnesium in capsule, tablet, and powder formulations.
• Food & Beverage Fortification: Employed as a mineral fortificant and pH regulator in functional foods and health drinks.
• Pharmaceutical Intermediates: Serves as a key ingredient or buffering agent in the synthesis of various medicinal compounds.
• Laboratory & Research Reagents: Utilized in biochemical research and as a standard in analytical chemistry.
• Industrial Catalysts & Additives: Acts as a catalyst or stabilizer in certain chemical synthesis and material processing applications.

Basic Information

Product Name	Magnesium Tartrate
CAS No.	20752-56-1
Molecular Formula	C4H4MgO6 • xH2O
Molecular Weight	172.38 g/mol (anhydrous basis)
Synonyms	Magnesium L-tartrate; Magnesium (2R,3R)-2,3-dihydroxybutanedioate; Tartaric acid, magnesium salt; E337; Magnesium bitartrate; Magnesium acid tartrate; L-(+)-Tartaric acid magnesium salt
EINECS	244-034-5

Quality Control

Our Magnesium Tartrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments. Production can be aligned with relevant standards such as FCC or USP for specific customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White or almost white crystalline powder
Identification (IR)	Complies
Assay (MgO)	19.0% - 21.0%
pH (5% solution)	6.5 - 8.5
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm

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