Description

Ammonium Magnesium Phosphate Hexahydrate is a high-purity inorganic salt with the chemical formula NH₄MgPO₄·6H₂O. This compound is valued for its controlled solubility and as a source of magnesium, ammonium, and phosphate ions in specialized formulations. It serves critical functions in the agricultural, pharmaceutical, and specialty chemical manufacturing sectors. The product is identified by CAS No. 13478-16-5.

Application

• Flame Retardant Additive: Used as an effective, halogen-free flame retardant and smoke suppressant in polymers, plastics, and coatings.
• Precipitating Agent & Nutrient Source: Acts as a controlled-release fertilizer and a precipitating agent for phosphate recovery in wastewater treatment.
• Ceramic & Glass Manufacturing: Serves as a precursor for producing specialty ceramics, glass ceramics, and refractory materials requiring magnesium phosphate phases.
• Dental & Biomedical Cements: A key component in the formulation of magnesium phosphate-based cements for dental and bone repair applications.
• Laboratory Reagent: Employed in analytical chemistry as a standard or reagent for phosphate and magnesium determination.
• Corrosion Inhibitive Pigment: Used in the formulation of anti-corrosive primers and paints for metal protection.

Basic Information

Product Name	Ammonium Magnesium Phosphate Hexahydrate
CAS No.	13478-16-5
Molecular Formula	H20MgN1O10P1 or NH4MgPO4·6H2O
Molecular Weight	245.41 g/mol
Synonyms	Magnesium Ammonium Phosphate Hexahydrate; Struvite; MAP; MAPH; Ammonium Magnesium Orthophosphate Hexahydrate; Magnesium Hydrogen Phosphate Ammoniate; Fosmag; Triple Phosphate (Mineral Name)
EINECS	Contact for details

Quality Control

Our Ammonium Magnesium Phosphate Hexahydrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, heavy metal content, and loss on drying. Our quality commitment supports applications requiring high purity and batch-to-batch consistency.

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). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation. Keep away from incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (NH4MgPO4·6H2O)	≥ 98.0 %
pH (5% suspension)	6.0 - 8.0
Loss on Drying	42.0 - 45.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %

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