Description

Tetrabismuth Trisilicate is an inorganic compound composed of bismuth and silicate. This material is valued for its unique combination of properties derived from bismuth, including low toxicity and high density, and the thermal stability of silicates. It serves as a critical functional additive and precursor in several advanced industrial sectors. Key industries that utilize this compound include electronics, specialty glass manufacturing, and catalysis.

Application

• As a dopant or precursor material in the production of specialized optical glasses and ceramics.
• Utilized in the formulation of high-density shielding materials and composites.
• Acts as a catalyst or catalyst support in specific organic synthesis and petrochemical processes.
• Employed in the electronics industry for semiconductor applications or conductive pastes.
• Serves as a fire retardant synergist in polymer and coating formulations.
• Used in the development of specialty pigments and coatings with unique aesthetic or protective properties.
• Functions as a raw material in solid-state chemistry for synthesizing other bismuth-containing compounds.

Basic Information

Product Name	Tetrabismuth Trisilicate
CAS No.	15983-20-7
Molecular Formula	Bi4(SiO4)3
Molecular Weight	1171.95 g/mol (Theoretical)
Synonyms	Bismuth Silicate (4:3); Bismuth Orthosilicate; Trisilicate Tetrabismuth; Bismuth(III) Silicate; Silicic Acid (H4SiO4), Bismuth(3+) Salt (4:3); Bismuth Silicon Oxide
EINECS	Contact for details

Quality Control

Our Tetrabismuth Trisilicate is manufactured under controlled conditions to ensure batch-to-batch consistency and high purity. Quality is assured through a rigorous analytical protocol including assays for bismuth and silicon content, impurity profiling, and physical characterization. A Certificate of Analysis (COA) detailing specific results for each lot is provided and available upon request, supporting compliance with relevant industry standards.

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 minimize exposure to atmospheric moisture and contaminants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as Bi4(SiO4)3)	≥ 98.0 %
Bismuth (Bi) Content	≥ 71.0 %
Silicon (Si) Content	≥ 7.0 %
Loss on Drying	≤ 1.0 %
Particle Size (D50)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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