Send Inquiry

Request To Call Back

Antimony Trioxide

Get a Price/Quote

MOQ : 1 Kilograms

Antimony Trioxide Specification

Smell
Odorless

Appearance
White Powder

Structural Formula
Sb2O3

Physical Form
Powder

Poisonous
YES

Shelf Life
2 years if stored properly.

Shape
Crystalline Powder

Taste
Odorless and tasteless

Usage
Additive in flame-retardant formulations; catalyst in PET manufacturing; pigment in plastics, paints, and enamels.

Ingredients
Antimony Trioxide

Grade
Technical Grade

Molecular Formula
Sb2O3

EINECS No
215-175-0

Product Type
Industrial Chemical

Molecular Weight
291.5 g/mol

Refractive Rate
nD 2.087

Density
5.2 Gram per cubic centimeter(g/cm3)

Application
Mainly used as a flame retardant synergist for plastics, rubbers, textiles, and as an opacifying agent in glasses and ceramics.

Solubility
Practically insoluble in water, soluble in hydrochloric acid and alkalis.

HS Code
28258000

Melting Point
656C

Properties
White crystalline powder; insoluble in water; stable under normal conditions; non-combustible.

Purity
99.5% min

Storage
Store in a cool, dry, well-ventilated area away from combustible materials.

CAS No
1309-64-4

pH (in water)
Neutral

Packaging
25 kg/50 kg bags or as required

Hazard Class
6.1 (Toxic)

Production Method
Roasting of Stibnite ore, refined by sublimation and oxidation.

Boiling Point
1425C

Flash Point
Non-flammable

Particle Size
99.8% passes through 325 mesh

Toxicity
Toxic if ingested or inhaled; proper handling and PPE required

Antimony Trioxide Trade Information

Minimum Order Quantity
1 Kilograms

Supply Ability
1 Kilograms Per Week

Delivery Time
1 Week

About Antimony Trioxide

Antimony Trioxide

CAS No: 1309-64-4

Molecular formula : SB2O3

Sb2O3 : 99.5% MIN

Al2O3 /As : 0.06% MAX

PbO/Pb : 0.1% MAX

Fe2O3 /Fe : 0.006% MAX

Cu : 0.002% MAX

Se : 0.005% MAX

Whiteness : 95% MIN

Application : Activator in glass industry, Paints and Adhesives industries

Applications and Usage

Antimony Trioxide is widely utilized as an additive in flame-retardant formulations for plastics, textiles, and rubbers, helping to suppress fire hazards. Additionally, it serves as a catalyst in PET production and a pigment in plastics, paints, enamels, and ceramics. Its opacifying properties benefit glass manufacturing. The product is appreciated for its efficiency and performance in industrial processes.

Safe Handling and Storage

This substance is classified under hazard class 6.1 (Toxic) and requires careful handling. Users must employ appropriate personal protective equipment (PPE) to prevent exposure by inhalation or ingestion. Store Antimony Trioxide in a cool, dry, and well-ventilated area, away from combustible materials. Following proper procedures ensures safety and maintains the products effectiveness over its two-year shelf life.

FAQs of Antimony Trioxide:

Q: How should Antimony Trioxide be handled safely during usage?

A: Antimony Trioxide should be handled using appropriate personal protective equipment, including gloves, masks, and protective clothing, to prevent inhalation or ingestion of its toxic powder. Ensure work areas are well-ventilated and follow standard safety procedures for hazardous materials.

Q: What are the main industrial applications of Antimony Trioxide?

A: This compound is mainly used as a flame retardant synergist in plastics, rubbers, and textiles. It also functions as a catalyst in polyethylene terephthalate (PET) manufacturing, serves as a pigment in paints and enamels, and acts as an opacifying agent in glass and ceramic production.

Q: When should Antimony Trioxide be replaced or discarded?

A: Antimony Trioxide should be replaced or discarded after its shelf life of approximately two years, or sooner if the product shows signs of contamination, degradation, or exposure to moisture, which may affect its performance and safety.

Q: Where should Antimony Trioxide be stored to ensure maximum stability?

A: Store Antimony Trioxide in a cool, dry, and well-ventilated area that is separate from combustible materials. Proper storage conditions help maintain the products quality and reduce risks associated with its toxic nature.

Q: What process is used for manufacturing Antimony Trioxide?

A: Antimony Trioxide is produced by roasting stibnite ore, followed by refining through sublimation and oxidation. This process yields a high-purity, white crystalline powder suitable for industrial applications.

Q: How does Antimony Trioxide benefit flame-retardant formulations?

A: Antimony Trioxide enhances the effectiveness of flame-retardant systems by acting as a synergist. It works in conjunction with other materials to inhibit combustion and help suppress fire spread in products like plastics, textiles, and rubbers.

Tell us about your requirement