Description

Silicon Orthophosphate CAS NO 12037-47-7 is an inorganic compound of silicon and phosphorus, also known as silicon phosphate. This material is valued for its thermal stability and its role as a source of both silicon and phosphate ions in specialized applications. It is primarily utilized in the ceramics, glass, and specialty materials industries where its unique properties contribute to product performance and durability.

Application

• As a specialized additive in high-temperature ceramics and glass formulations to modify thermal expansion and chemical resistance.
• As a precursor or component in the synthesis of advanced inorganic materials and phosphosilicate glasses.
• In the production of refractory materials and coatings that require enhanced stability under harsh conditions.
• As a potential catalyst or catalyst support in specific chemical synthesis processes.
• In research and development for novel material science applications, including electronic or optical materials.

Basic Information

Product Name	Silicon Orthophosphate
CAS No.	12037-47-7
Molecular Formula	O7P2Si3
Molecular Weight	338.21 g/mol
Synonyms	Silicon phosphate; Trisilicon diphosphate heptaoxide; Phosphoric acid, silicon salt; Silicon(IV) phosphate; Trisilicon diphosphorus heptaoxide; Si3P2O7
EINECS	234-901-7

Quality Control

Our Silicon Orthophosphate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and physical properties. A Certificate of Analysis (COA) detailing key specifications is provided with every shipment to guarantee compliance with your technical requirements.

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 sealed to minimize exposure to atmospheric moisture. Separate from strong acids and strong bases.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as Si3P2O7)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Particle Size (Typical)	Contact for details

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