Antimony(V) oxide
Antimony(V) oxide (CAS: 1314-60-9; Formula: Sb2O5; MW: 323.52) is a chemical compound supplied by Tech Serve Solutions. It is primarily utilized as a flame retardant in plastics like ABS, and as a flocculant in titanium dioxide production. This compound also finds application in the manufacturing of glass, paint, and adhesives, and serves roles in ion-exchange resins and as a catalyst in polymerization and oxidation processes.
- IUPAC
- Antimonic oxide,Antimony pentoxide,Diantimony pentaoxide,Diantimony pentoxide

Flame Retardant
Antimony(V) oxide is incorporated into plastics such as ABS to enhance their fire resistance properties, contributing to improved safety in various applications.
Pigment and Coating Additive
This oxide is used in the production of glass, paint, and adhesives, acting as an additive to improve material characteristics and performance.
Catalysis and Ion Exchange
It functions as a polymerization and oxidation catalyst and also serves as an effective ion-exchange resin in specific chemical processes.
Titanium Dioxide Production
Antimony(V) oxide is employed as a flocculant in the manufacturing process of titanium dioxide, aiding in product refinement.
| Molecular weight | 323.52 |
|---|---|
| Linear formula | Sb2O5 |
| Assay | 99.995% trace metals basis |
| Density | 3.78 g/mL at 25 °C(lit.) |
| Application | Use as a flame retardant in ABS and other plastics, a flocculant in the production of titanium dioxide and is sometimes used in the production of glass, paint and adhesives; and also used as an ion-exchange resin and as a polymerization and oxidation catalyst. |
| Melting point | 380 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Antimony(V) oxide used for?
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Antimony(V) oxide is used as a flame retardant in plastics, a flocculant in titanium dioxide production, an additive in glass, paint, and adhesives, and as an ion-exchange resin and catalyst.
What is the CAS number and formula for Antimony(V) oxide?
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The CAS number for Antimony(V) oxide is 1314-60-9 and its formula is Sb2O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Antimony(V) oxide with an assay of 99.995% on a trace metals basis. This product is not represented as USP, BP, or EP grade.
What are the safety and handling considerations for Antimony(V) oxide?
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Antimony(V) oxide is classified with Warning signal word and hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used. Always consult the Safety Data Sheet for comprehensive handling information.
Is Antimony(V) oxide a controlled substance?
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The provided data does not indicate that Antimony(V) oxide is a controlled substance.
How is Antimony(V) oxide packed, shipped, and exported?
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Antimony(V) oxide is expertly packed by TSS to ensure integrity during transport and is available for global export to meet diverse client needs.
How can I request a quote or sample of Antimony(V) oxide?
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To request a quote or sample of Antimony(V) oxide, please contact our sales team through the website or direct inquiry channels.
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