tert-Butyl peroxybenzoate
Tert-Butyl peroxybenzoate (CAS: 614-45-9) is an organic peroxide with the linear formula C₆H₅COOOC(CH₃)₃ and a molecular weight of 194.23 g/mol. This compound is characterised by its reactive peroxy ester functionality. It finds utility as a radical initiator in polymerisation processes and as an intermediate in organic synthesis. Tech Serve Solutions supplies this chemical with a typical assay of 98%.
- IUPAC
- tert-Butyl perbenzoate,tert-Butyl peroxybenzoate
Polymerisation Initiator
Tert-Butyl peroxybenzoate serves as a free-radical initiator for the polymerisation of various monomers. Its decomposition characteristics allow for controlled initiation at elevated temperatures.
Organic Synthesis Reagent
It is employed as a reagent in organic synthesis for reactions requiring a source of free radicals. This includes processes like functionalisation and cross-linking.
Cross-linking Agent
The compound can be used as a cross-linking agent for polymers such as polyethylene and elastomers, enhancing their mechanical properties and thermal stability.
| Molecular weight | 194.23 |
|---|---|
| Linear formula | C6H5COOOC(CH3)3 |
| Assay | 98% |
| Grade | technical |
| Boiling point | 75-76 °C/0.2 mmHg(lit.) |
| Density | 1.021 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.499(lit.) |
| Solubility | water: soluble1.18 g/L |
| Vapour pressure | 3.36 mmHg (50 °C) |
| Vapour density | 6.7 (vs air) |
| Storage temperature | 2-8°C |
| Impurities tested | ~2% tert-butyl benzoate |
Hazard statements
- H242Heating may cause a fire
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H400Very toxic to aquatic life
Precautionary statements
- P220Keep away from clothing and combustible materials
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P410Protect from sunlight
- P411Store at controlled temperature
- P420Store separately
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 93 °C / 199.4 °F |
| Transport (UN / ADR) | UN 3103A9 5.2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | E,Xi,N |
| Risk statements (R) | 2-7-38-43-50 |
| Safety statements (S) | 7-17-26-35-36/37/39-39-47-61 |
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 tert-Butyl peroxybenzoate used for?
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Tert-Butyl peroxybenzoate is primarily used as a radical initiator in polymerisation reactions and as a reagent in organic synthesis and for cross-linking polymers.
What are the CAS number and formula for tert-Butyl peroxybenzoate?
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The CAS number for tert-Butyl peroxybenzoate is 614-45-9, and its linear formula is C₆H₅COOOC(CH₃)₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies tert-Butyl peroxybenzoate with a technical grade and an assay of approximately 98%. We do not represent this product as USP, BP, or EP grade.
How should tert-Butyl peroxybenzoate be handled safely?
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Tert-Butyl peroxybenzoate is a hazardous material that can self-reactively decompose upon heating (H242) and causes skin irritation (H315), skin sensitisation (H317), and is very toxic to aquatic life (H400). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and store at 2-8°C away from heat sources.
How is tert-Butyl peroxybenzoate packed, shipped, and exported?
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As a specialist supplier, Tech Serve Solutions carefully packs and ships tert-Butyl peroxybenzoate according to international regulations for hazardous materials. We are experienced in exporting fine chemicals globally.
How can I request a quote or sample for tert-Butyl peroxybenzoate?
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To request a quote or a sample of tert-Butyl peroxybenzoate, please contact our sales team through the website or by direct inquiry. We will be happy to assist you.
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