Magnesium Citrate, Anhydrous, USP

Magnesium Citrate, Anhydrous, USP

High-Purity Magnesium Source for Pharmaceutical, Nutraceutical & Food Applications

Product Identification

Chemical & Physical Information

Product Name: Magnesium Citrate, Anhydrous
Catalogue Number: ASC-1065
Grade: USP
Form: Granular powder

Chemical Identity

Substance Information

Chemical Name: Magnesium Citrate, Anhydrous
Synonyms: Trimagnesium Citrate Anhydrous; Magnesium Citrate Tribasic Anhydrous
CAS Number: 3344-18-1
Molecular Formula: C₁₂H₁₀Mg₃O₁₄
Molecular Weight: 451.11 g/mol

Product Description

Magnesium Citrate, Anhydrous, USP is a high-purity magnesium salt manufactured to meet United States Pharmacopeia specifications. The anhydrous form ensures low moisture content, improved formulation stability, and accurate dosing in applications where precise magnesium content is required.

This product is widely used across pharmaceutical, nutraceutical, food, and laboratory sectors as a bioavailable magnesium source. Ausamics Magnesium Citrate, Anhydrous, USP is supplied under controlled conditions to ensure consistent quality, purity, and batch-to-batch reproducibility.

Typical Characteristics

Physical Properties

Appearance: White to off-white granular powder
Solubility: Slightly soluble in water
Odour: Practically odourless

Typical Specifications

Quality Parameters (USP)

Assay (Magnesium, dried basis): 14.5 – 16.4 %
pH (5 % suspension): 5.0 – 9.0
Loss on Drying: ≤ 2.0 %

Chloride: ≤ 0.05 %
Sulfate: ≤ 0.2 %
Calcium: ≤ 0.15 %
Iron: ≤ 100 ppm

Heavy Metals: ≤ 10 ppm
Arsenic: ≤ 3 ppm
Lead: ≤ 0.5 ppm
Mercury: ≤ 1 ppm

Microbiological Limits:
Aerobic Plate Count: ≤ 1,000 cfu/g
Yeast and Mould Count: ≤ 100 cfu/g
Total Coliforms: Absent

(Exact analytical values are provided in the batch-specific Certificate of Analysis.)

Typical Applications

Pharmaceutical & Medicinal Use

Raw material for magnesium supplementation
Component in saline laxative formulations

Nutraceutical & Supplement Manufacturing

Dietary supplements for magnesium fortification
Capsule, tablet, and powder formulations

Food Industry

Firming agent
Acidity regulator and mineral fortifier

Laboratory & Research Use

Analytical chemistry applications
Formulation and excipient research

Storage & Stability

Storage Conditions

Store in a cool, dry place
Keep container tightly closed
Protect from moisture and direct sunlight

Stable under recommended storage conditions

Packaging Options

Available Sizes

500 g
1 kg
5 kg
25 kg

Intended Use

Regulatory Statement

Supplied as a USP grade raw material suitable for pharmaceutical, nutraceutical, food, and research applications where permitted.

Not intended to diagnose, treat, cure, or prevent any disease.
Not supplied as a finished therapeutic product.

Quality & Supply Assurance

Manufacturing & Documentation

Manufactured under controlled conditions
Supplied with Certificate of Analysis (COA)
Consistent batch-to-batch quality
Technical support available from Ausamics Life Science

Customs & Trade Information

Classification

HS / AHECC Code: 2918.15.00
Citric acid salts and derivatives