Description

Leucite CAS NO 1302-34-7 is a potassium aluminum silicate mineral, recognized for its unique crystal structure and high-temperature stability. This inorganic compound is valued for its role as a key component in specialized ceramics and glass-ceramic materials, where it contributes to controlled thermal expansion and enhanced mechanical properties. It is primarily utilized by manufacturers in the advanced ceramics, dental prosthetics, and geological research sectors.

Application

• Advanced Ceramics & Glass-Ceramics: A critical raw material for producing low-thermal-expansion ceramics and glass-ceramics used in cooktops, cookware, and precision optical components.
• Dental Materials: Incorporated into certain dental porcelains and glass-ceramics for crowns and bridges due to its biocompatibility and favorable aesthetic properties.
• Geological & Research Standard: Serves as a reference material in geological studies, petrology, and materials science research for phase analysis and experimentation.
• Refractory & Insulation Materials: Used in formulations for high-temperature refractory linings and insulating materials where thermal shock resistance is paramount.
• Catalyst Support: Acts as a stable, inert support material for certain catalysts in chemical synthesis processes.
• Decorative Stone & Lapidary: Processed for use in jewelry and ornamental objects, valued for its crystal habit and appearance.

Basic Information

Product Name	Leucite
CAS No.	1302-34-7
Molecular Formula	KAlSi2O6
Molecular Weight	278.33 g/mol
Synonyms	Potassium Aluminum Silicate; Leucite Mineral; KAlSi2O6; Danaite; IMA1998 s.p.; Tetrakalsilite; Potassium Aluminosilicate
EINECS	215-100-1

Quality Control

Our Leucite is produced and tested under a rigorous quality management system to ensure batch-to-batch consistency and compliance with technical grade specifications. Key parameters such as chemical composition, crystalline phase purity, and particle size distribution are strictly monitored. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee product integrity for your application.

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 the container tightly sealed to prevent moisture absorption and contamination from atmospheric dust.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (XRD)	Complies (Leucite phase)
Assay (as KAlSi2O6)	≥ 98.0 %
Particle Size (D50)	5 - 25 µm (or as specified)
Loss on Drying (LOD)	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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