Description

Zinc Dimetaphosphate is an inorganic zinc salt of dimetaphosphoric acid, known by the CAS registry number 13566-15-9. This specialized phosphate compound is valued for its ability to act as a source of bioavailable zinc and a stabilizing agent in various formulations. It is primarily sought by manufacturers in the nutritional supplement, food fortification, and specialty chemical industries for its functional properties.

Application

• Nutritional Supplements & Fortified Foods: Used as a source of essential zinc in vitamin-mineral premixes, dietary supplements, and food products like cereals and beverages.
• Pharmaceutical Excipient: Functions as a stabilizer or a source of zinc in certain tablet and capsule formulations.
• Industrial Catalyst & Reagent: Employed in specific chemical synthesis processes and as a catalyst component in organic reactions.
• Ceramics & Glass Production: Acts as a fluxing agent to modify melting points and improve the properties of ceramic glazes and specialty glasses.
• Corrosion Inhibition: Incorporated into coatings or treatment solutions to provide protective zinc phosphate layers on metal surfaces.
• Laboratory Research: Serves as a high-purity chemical reagent for analytical and research applications in chemistry and material science.

Basic Information

Product Name	Zinc Dimetaphosphate
CAS No.	13566-15-9
Molecular Formula	Zn(PO3)2 or ZnP2O6
Molecular Weight	223.33 g/mol (anhydrous)
Synonyms	Zinc Metaphosphate; Zinc Polymetaphosphate; Dimetaphosphoric Acid, Zinc Salt; Zinc Dimetaphosphate (Zn(PO3)2); Zinc(II) Metaphosphate; Metaphosphoric Acid Zinc Salt; Granular Zinc Metaphosphate; Zinc Hexametaphosphate (related compound)
EINECS	236-966-4

Quality Control

Our Zinc Dimetaphosphate is manufactured under a strict quality management system. Each batch is tested to ensure it meets precise specifications for identity, purity, and heavy metal content. We can supply material compliant with FCC (Food Chemicals Codex) or other relevant standards for specific applications. A comprehensive Certificate of Analysis (COA) is provided with every shipment.

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). Keep away from incompatible materials such as strong acids. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White powder or granules
Identification (IR)	Conforms
Assay (as Zn(PO3)2)	≥ 98.0 %
Zinc (Zn) Content	28.0 - 30.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm
Lead (Pb)	≤ 2 ppm
Water Insoluble Matter	≤ 0.5 %

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