

We are one of the leading manufacturers, distributors, and suppliers of Antimony Trioxide in USA. Its CAS Number is 1309-64-4, and the chemical formula is Sb2O3.
Antimony Trioxide (Sb₂O₃) is a versatile inorganic compound universally used across multiple industrial sectors, primarily as a flame retardant. (Sb₂O₃) commonly referred to as ATO, it appears as a white, odorless powder or solid properties, and is predominantly utilized in the production of plastics, textiles, glass, and electronic components. Antimony Trioxide main role is a synergist in halogenated flame retardant systems for various applications, where it enhances the material’s flame resistance. For clarity in trade and sourcing, Antimony Trioxide is also called by other names such as Diantimony Trioxide and Antimonious Oxide, terms often used by ATO manufacturers and suppliers. At Scimplify, we offer Antimony Trioxide as an end to end product solution, leveraging the strength of our global network to provide competitive pricing and ensure supply chain reliability.



Antimony Trioxide (Sb₂O₃) is a versatile inorganic compound universally used across multiple industrial sectors, primarily as a flame retardant. (Sb₂O₃) commonly referred to as ATO, it appears as a white, odorless powder or solid properties, and is predominantly utilized in the production of plastics, textiles, glass, and electronic components. Antimony Trioxide main role is a synergist in halogenated flame retardant systems for various applications, where it enhances the material’s flame resistance. For clarity in trade and sourcing, Antimony Trioxide is also called by other names such as Diantimony Trioxide and Antimonious Oxide, terms often used by ATO manufacturers and suppliers. At Scimplify, we offer Antimony Trioxide as an end to end product solution, leveraging the strength of our global network to provide competitive pricing and ensure supply chain reliability.
Flame RetardantsMetallurgy Chemicals
Synergists & Smoke Suppressants
Antimony-based synergists
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Chemical Properties & Specifications
Incorporated into plastics, textiles, and coatings to enhance their fire-resistant properties. It acts as a synergist in Combination with halogenated flame retardants.
Used in the manufacture of polyethylene terephthalate (PET), contributing to the production of bottles, containers, and fibers.
Preferred in the production of certain types of glass and ceramics, improving their thermal and optical properties.
Chosen in the production of semiconductors and other electronic devices where it serves as an additive for the enhancement of electronic components.

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