Description

Bismuth Oxalate is a high-purity inorganic salt of bismuth, a key precursor material valued for its role in synthesizing specialized bismuth compounds and catalysts. Its controlled decomposition properties make it essential for producing ultra-fine bismuth oxide powders and other functional materials. This product is critical for manufacturers and R&D facilities in the electronics, ceramics, and chemical synthesis industries seeking reliable, high-quality raw materials.

Application

• Precursor for Bismuth Oxide: Primary raw material for the synthesis of high-purity bismuth(III) oxide (Bi₂O₃) via thermal decomposition, used in varistors, ceramic capacitors, and optical coatings.
• Catalyst Synthesis: Serves as a starting material for preparing bismuth-based catalysts used in organic synthesis and oxidation reactions.
• Electronic Ceramics: Used in the formulation of specialized electronic ceramics and glass compositions where bismuth acts as a modifier.
• Laboratory Reagent: Employed as a analytical reagent and standard in research and quality control laboratories.
• Pyrotechnic Compositions: Acts as a component in certain specialty pyrotechnic formulations to produce specific visual effects.
• Surface Treatment: Utilized in the surface treatment of metals and in the preparation of certain pigments.

Basic Information

Product Name	Bismuth Oxalate
CAS No.	6591-55-5
Molecular Formula	C6Bi2O12 • xH2O (Commonly represented as (COO)2Bi2 or Bi2(C2O4)3)
Molecular Weight	682.00 g/mol (Anhydrous basis)
Synonyms	Bismuth(III) Oxalate; Dibismuth Tris(oxalate); Oxalic Acid Bismuth Salt; Bismuth Oxalate Hydrate; Bismuth Trioxalate; Bismuth Sesquioxalate; EINECS 229-535-0
EINECS	229-535-0

Quality Control

Our Bismuth Oxalate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, heavy metal content, and physical properties. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and other critical parameters is provided with every shipment to guarantee traceability and compliance with your project 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product performance and handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (as Bi2O3)	≥ 65.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Nitrate (NO3)	≤ 0.005 %
Heavy Metals (as Pb)	≤ 20 ppm
Iron (Fe)	≤ 50 ppm
Loss on Drying	≤ 12.0 %

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