Description

Magnesium L-Lactate Trihydrate is a high-purity, bioavailable source of magnesium combined with the natural L-lactic acid anion. This compound is valued for its excellent solubility and bioavailability, making it a preferred mineral supplement ingredient. It is primarily utilized in the pharmaceutical, nutraceutical, and functional food industries where a well-tolerated and effective magnesium source is required.

Application

• Pharmaceutical Formulations: Used as an active pharmaceutical ingredient (API) in magnesium supplements and electrolyte replacement therapies.
• Dietary Supplements & Nutraceuticals: A key ingredient in capsules, tablets, and powder blends aimed at supporting bone health, muscle function, and nervous system regulation.
• Functional Food & Beverage Fortification: Incorporated into sports drinks, fortified waters, meal replacements, and health bars to enhance magnesium content without compromising taste.
• Personal Care & Cosmetics: Employed in topical formulations for its skin-conditioning and soothing properties.
• Animal Nutrition: Serves as a magnesium supplement in feed premixes for livestock and pets to support metabolic functions.
• Biochemical Research: Used as a reagent or buffer component in various laboratory and microbiological culture media applications.

Basic Information

Product Name	Magnesium L-Lactate Trihydrate
CAS No.	18917-93-6
Molecular Formula	C6H10MgO6 • 3H2O
Molecular Weight	256.45 g/mol (Anhydrous: 202.45)
Synonyms	Magnesium (2S)-2-hydroxypropanoate trihydrate; L-Lactic acid magnesium salt trihydrate; Magnesium L-lactate; Magnesium (S)-lactate trihydrate; Mag-L; Magnesium (II) L-lactate trihydrate; 2-Hydroxypropanoic acid magnesium salt (2:1) trihydrate; Magnesium dilactate trihydrate
EINECS	242-671-4

Quality Control

Our Magnesium L-Lactate Trihydrate is manufactured under strict quality management systems. It can be supplied to meet various pharmacopoeial standards, including USP-NF and EP, as well as Food Chemicals Codex (FCC) grade for food applications. Every batch undergoes rigorous analytical testing to ensure identity, purity, and compliance with specified limits for heavy metals and related substances. A comprehensive Certificate of Analysis (COA) is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a low-humidity environment to prevent caking and maintain stability.

Specification

Item	Specification
Appearance	White or almost white crystalline powder
Identification (IR)	Complies
Assay (on dried basis)	98.0% - 102.0%
pH (5% solution)	6.0 - 8.0
Loss on Drying	19.0% - 22.0%
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm
Chloride (Cl)	≤ 0.05%
Sulfate (SO4)	≤ 0.05%
Specific Rotation [α]D20	-0.10° to +0.10°
Residue on Ignition	19.0% - 21.0% (as MgO)

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