Description

Calcium Metaphosphate CAS NO 13477-39-9 is an inorganic phosphate compound known for its role as a source of calcium and phosphorus. This material is valued in industrial processes for its ability to modify melt properties and contribute to the formation of stable, durable matrices. It is primarily utilized by manufacturers in the glass, ceramic, and specialty fertilizer industries, where precise inorganic additives are critical for product performance and consistency.

Application

• As a fluxing agent and stabilizer in the production of specialty glass and ceramics.
• As a source of calcium and phosphorus in the formulation of controlled-release or specialty fertilizers and agricultural supplements.
• As a raw material or additive in the synthesis of other inorganic phosphates and chemicals.
• In the manufacturing of refractory materials and high-temperature cements.
• As a potential component in dental and bioceramic research applications.
• In metallurgical processes as a slag conditioner or refining agent.

Basic Information

Product Name	Calcium Metaphosphate
CAS No.	13477-39-9
Molecular Formula	Ca(PO3)2
Molecular Weight	198.02 g/mol
Synonyms	Calcium metaphosphate; Metaphosphoric acid, calcium salt; Calcium polymetaphosphate; Tricalcium dimetaphosphate; Calcium phosphate (Ca(PO3)2); INS No. 452(v); E452(v)
EINECS	236-769-6

Quality Control

Our Calcium Metaphosphate is produced under a rigorous quality management system. Each batch is tested to ensure it meets precise chemical and physical specifications relevant for industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White powder or granules
Identification (IR)	Conforms
Assay (as Ca(PO3)2)	≥ 95.0 %
Calcium (Ca) Content	Contact for details
Phosphorus Pentoxide (P2O5) Content	Contact for details
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Particle Size (Typical)	Contact for details

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