Bismuth Oxide – 500 gram Packs

Bismuth Oxide, scientifically known as Bismuth(III) Oxide or Dibismuth Trioxide, is an inorganic metal oxide composed of bismuth and oxygen, with the chemical formula Bi₂O₃. It is commonly encountered as a yellow solid and has a molecular weight of approximately 465.96 g/mol. Bismuth Oxide is important in inorganic chemistry, solid-state research, and the preparation of bismuth-containing materials. Its thermal and chemical properties make it relevant to investigations involving metal oxides, ceramic compositions, and controlled high-temperature reactions. In university and research laboratories, it can serve as a starting material for selected synthesis procedures and studies of solid-state transformations. Its suitability for specific analytical or experimental applications depends on the required grade, material characteristics, and procedure. This 500 g pack is intended for laboratory and research applications consistent with the product specifications and applicable chemical safety requirements.

Product Specifications

Specification	Details
Appearance	Yellow powder
Assay	99%
Chemical Name	Bismuth(III) Oxide
Alternate Names	Bismuth Oxide, Bismuth Trioxide, Dibismuth Trioxide, Bismuth Sesquioxide
Molecular Formula	Bi₂O₃
Empirical Formula	Bi₂O₃
CAS Number	1304-76-3
Molecular Weight	465.96 g/mol
Grade	LR Laboratory Reagent

Key Features of Bismuth Oxide

• Defined chemical composition: Bismuth(III) Oxide has the formula Bi₂O₃, representing a fixed ratio of bismuth and oxygen atoms.
• Characteristic appearance: Its commonly observed yellow solid form supports visual recognition during laboratory handling.
• Established formula mass: Its molecular weight of approximately 465.96 g/mol supports molar calculations and quantitative reagent planning.
• High-temperature properties: Its reported melting point of approximately 817 °C makes it relevant to controlled thermal and solid-state investigations.
• Materials science relevance: Its oxide chemistry supports selected research involving ceramic compositions and bismuth-containing functional materials.

Laboratory Applications of Bismuth Oxide

• Inorganic chemistry experiments: Used in suitable educational and university investigations of metal oxides, chemical composition, and inorganic material properties.
• Precursor synthesis: Can serve as a starting material in appropriate procedures for preparing selected bismuth-containing compounds.
• Thermal analysis research: Supports controlled investigations of high-temperature behaviour and solid-state transformations using suitable laboratory equipment.
• Ceramic materials research: Used in selected research procedures involving the preparation and characterization of bismuth-containing ceramic compositions.
• Functional materials investigations: Can be used as a precursor or component in suitable studies of bismuth-based materials, depending on the required composition and synthesis method.

Why Choose Lab Wale to Buy Bismuth Oxide

Lab Wale provides a sourcing option for laboratory chemicals and scientific supplies used by schools, colleges, universities, research centres, and laboratory professionals. When purchasing Bismuth Oxide, consider the chemical identity, stated grade, pack size, and suitability for the intended procedure. Reviewing available product specifications and relevant safety documentation helps laboratories make informed procurement decisions. The 500 g pack offers a larger quantity option for institutional laboratory work and research applications where the material specifications meet the intended requirements.

Frequently Asked Questions About Bismuth Oxide

What is Bismuth Oxide used for in laboratories?

Bismuth Oxide is used in inorganic chemistry, materials science, and selected synthesis procedures. It can serve as a starting material for preparing bismuth-containing compounds and supports research involving ceramic compositions and solid-state properties. The appropriate use depends on the required material specifications and experimental method.

What are the molecular formula and molecular weight of Bismuth Oxide?

Bismuth(III) Oxide has the molecular formula Bi₂O₃ and a molecular weight of approximately 465.96 g/mol. Its empirical formula is also Bi₂O₃ because the atom ratio cannot be simplified to smaller whole numbers. These values are useful for stoichiometric calculations and reagent preparation.

What is the CAS number of Bismuth Oxide?

The CAS Registry Number for Bismuth(III) Oxide is 1304-76-3. This identifier helps distinguish the compound from other bismuth-containing substances and supports accurate laboratory procurement, chemical inventory management, and identification of the appropriate safety documentation.

What is the melting point of Bismuth Oxide?

Bismuth(III) Oxide has a reported melting point of approximately 817 °C. This property is relevant to controlled high-temperature experiments and materials research. Heating procedures require appropriate laboratory equipment, suitable ventilation, and established thermal safety measures.

How should Bismuth Oxide be stored and handled safely?

Store Bismuth Oxide in a tightly closed, compatible container in a cool, dry location. Avoid generating or inhaling dust and prevent eye contact. Use suitable protective equipment and follow the current Safety Data Sheet and institutional procedures for handling, spill management, and chemical waste disposal.

Storage Conditions for Bismuth Oxide

Store Bismuth Oxide in a tightly closed, compatible, clearly labelled container in a cool, dry laboratory storage area. Protect the powder from contamination and unnecessary moisture exposure. Segregate it from incompatible chemicals in accordance with the applicable Safety Data Sheet, and ensure the container remains securely closed when not in use.

Precautions for Handling Bismuth Oxide

Review the current Safety Data Sheet before handling Bismuth Oxide. Wear suitable safety goggles, chemical-resistant gloves, and protective clothing. Avoid generating or inhaling dust, and use appropriate ventilation during weighing and transfer. Prevent eye contact and environmental release, and follow institutional procedures for spill management, emergency response, and chemical waste disposal.