Description

Antimony(V) Oxide is a high-purity inorganic compound with the chemical formula Sb₂O₅. It serves as a critical flame retardant synergist and catalyst in various industrial processes, valued for its thermal stability and chemical inertness. This material is essential for manufacturers in the plastics, textiles, and electronics industries seeking to enhance fire safety and material performance.

Application

• Flame Retardant Synergist: Primarily used with halogenated compounds to impart flame retardancy to plastics (e.g., PVC, polyolefins), textiles, rubbers, and adhesives.
• Catalyst & Reagent: Acts as a catalyst in organic synthesis, particularly in oxidation and polymerization reactions, and as a reagent in the production of other antimony compounds.
• Ceramics & Glass Manufacturing: Employed as an opacifier and fining agent to improve the opacity, color, and clarity of glass and ceramic glazes.
• Electronics & Semiconductors: Used in the production of certain types of varistors and as a dopant material in semiconductor applications.
• Pigment Intermediate: Serves as a starting material in the manufacture of yellow pigments for paints, coatings, and plastics.
• Ion Exchange: Utilized in the form of antimonic acid for ion exchange processes in analytical and purification applications.

Basic Information

Product Name	Antimony(V) Oxide
CAS No.	1314-60-9
Molecular Formula	Sb₂O₅
Molecular Weight	323.52 g/mol
Synonyms	Antimony Pentoxide; Diantimony Pentoxide; Antimonic Oxide; Antimonic Anhydride; Stibic Anhydride; ATO (Antimony Tin Oxide, when combined); Antimony(V) Oxide; Sb₂O₅
EINECS	215-237-7

Quality Control

Our Antimony(V) Oxide is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, particle size, and chemical composition. Certificates of Analysis (COA) documenting these results are provided with every shipment to guarantee traceability and compliance with your technical 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). Keep the container tightly sealed to minimize exposure to atmospheric moisture. Separate from strong acids, strong bases, and reducing agents.

Specification

Item	Specification
Appearance	White to pale yellow powder
Identification (IR)	Conforms
Assay (Sb₂O₅)	≥ 99.0 %
Loss on Drying	≤ 1.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.02 %
Iron (Fe)	≤ 0.005 %
Lead (Pb)	≤ 0.002 %
Arsenic (As)	≤ 0.001 %
Particle Size (D50)	1-5 µm (or as specified)

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