Description

Bismuth Tetroxide is a high-purity inorganic compound of significant industrial interest. This material serves as a critical precursor and functional additive in advanced material synthesis and electronic applications. It is essential for manufacturers and R&D facilities in the electronics, ceramics, and specialty chemical sectors seeking reliable, high-quality inorganic reagents.

Application

• Electronic Ceramics & Dielectrics: A key precursor for manufacturing multilayer ceramic capacitors (MLCCs) and other electronic components requiring precise bismuth doping.
• Catalyst Synthesis: Used in the preparation of catalysts for selective oxidation and other organic synthesis reactions.
• Glass & Glaze Formulation: Imparts specific optical and thermal properties in specialty glass and ceramic glazes.
• Pyrotechnic Compositions: Acts as an oxidizer in specialized pyrotechnic formulations for specific color effects.
• Laboratory Reagent: Serves as a high-purity starting material for academic and industrial research in solid-state chemistry and material science.
• Additive in Metal Alloys: Used in trace amounts to modify the properties of certain low-melting-point alloys.

Basic Information

Product Name	Bismuth Tetroxide
CAS No.	171869-78-6
Molecular Formula	Bi2O4 / BiO2
Molecular Weight	481.96 g/mol (for Bi2O4)
Synonyms	Bismuth(IV) Oxide; Bismuth Dioxide; Bismuth Peroxide; Dibismuth Tetroxide; Bismuth Oxide (BiO2); Bismuth Superoxide
EINECS	Contact for details

Quality Control

Our Bismuth Tetroxide is produced and handled under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets exacting purity and consistency standards required for advanced industrial applications. Certificates of Analysis (COA) detailing assay, impurity profiles, and physical specifications are provided with every shipment.

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 away from incompatible materials such as strong reducing agents and combustible substances.

Specification

Item	Specification
Appearance	Brown to dark brown powder
Identification (IR)	Conforms
Assay (Bi2O4)	≥ 99.0%
Assay (Bi)	≥ 86.5%
Loss on Drying	≤ 0.5%
Chloride (Cl)	≤ 100 ppm
Sulfate (SO4)	≤ 200 ppm
Heavy Metals (as Pb)	≤ 20 ppm
Particle Size (D50)	1-10 µm (customizable)

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