Tributyl phosphate
Tributyl phosphate (TBP), CAS 126-73-8, with a molecular weight of 266.31 g/mol, is a versatile organophosphate compound. It is recognised for its utility as a solvent, plasticizer, and anti-foaming agent. TBP finds significant application in various industrial processes, including solvent extraction for metals and in the formulation of lacquers and coatings. Tech Serve Solutions supplies high-purity TBP for research and industrial applications.
- IUPAC
- TBP,TBPA
- Synonyms
- TBPTributyl orthophosphateTrioctyl phosphateTris(n-butyl) phosphatePhosphoric acid, tributyl ester
Solvent Extraction
Tributyl phosphate is widely employed as a solvent in liquid-liquid extraction processes, particularly for the separation and purification of metals like uranium and plutonium in nuclear fuel reprocessing. It is also used in hydrometallurgy for extracting rare-earth elements.
Plasticizer
As a plasticizer, TBP enhances the flexibility and workability of various polymers, including cellulose esters and synthetic resins. It is incorporated into formulations for lacquers, coatings, and adhesives to improve film formation and durability.
Anti-foaming Agent
TBP acts as an effective anti-foaming agent in a range of industrial applications, such as in the processing of textiles, paper manufacturing, and in drilling fluids. It helps to control and reduce foam formation, improving process efficiency.
Chemical Synthesis
This organophosphate serves as a building block and reagent in organic synthesis. Its reactivity allows for its use in the preparation of various organophosphorus compounds and in specialised chemical reactions.
| Molecular weight | 266.31 |
|---|---|
| Linear formula | (CH3(CH2)3O)3PO |
| Assay | ≥99.0% (GC) |
| Boiling point | 180-183 °C/22 mmHg(lit.) |
| Density | 0.979 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.424(lit.)n20/D 1.424 |
| Vapour pressure | 27 mmHg (178 °C)7.3 mmHg (150 °C) |
| Melting point | −79 °C(lit.) |
| Vapour density | 9.2 (vs air) |
| Autoignition temp | 770 °F |
Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H351Suspected of causing cancer
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 145 °C / 293 °F |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-38-40 |
| Safety statements (S) | 36/37-46 |
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 Tributyl phosphate (TBP) used for?
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Tributyl phosphate (TBP) is used as a solvent in extraction processes, a plasticizer for polymers, an anti-foaming agent, and a reagent in chemical synthesis. Its applications span industries such as nuclear fuel reprocessing, hydrometallurgy, coatings, and adhesives.
What are the CAS number and formula for Tributyl phosphate?
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The CAS number for Tributyl phosphate is 126-73-8. Its linear formula is (CH3(CH2)3O)3PO.
What grade and purity does Tech Serve Solutions supply for Tributyl phosphate?
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Tech Serve Solutions supplies Tributyl phosphate with an assay of ≥99.0% (GC). We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should Tributyl phosphate be handled safely?
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Tributyl phosphate is harmful if swallowed (H302), causes skin irritation (H315), and is suspected of causing cancer (H351). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation.
How is Tributyl phosphate packaged and exported by TSS?
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Tributyl phosphate is carefully packaged to ensure safe transport and is exported globally by Tech Serve Solutions in compliance with all relevant regulations.
How can I request a quote or sample for Tributyl phosphate?
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To request a quote or sample for Tributyl phosphate, please contact our sales team through the website or by phone. We aim to respond promptly to all inquiries.
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