3,5-Di-tert-butylphenyl trifluoromethanesulfonate
3,5-Di-tert-butylphenyl trifluoromethanesulfonate (CAS: 155064-25-8) is an organic sulfonate compound with the molecular formula C15H21F3O3S and a molecular weight of 338.39 g/mol. This triflate derivative serves as a valuable building block in organic synthesis. It is primarily utilised in research and development settings for the construction of more complex organic molecules and as an intermediate in the synthesis of various chemical compounds.
- Synonyms
- C15H21F3O3S

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of complex organic molecules. Its triflate group makes it an excellent leaving group for various coupling reactions.
Building Block for Specialty Chemicals
Used in the creation of novel organic compounds and specialty chemicals. The bulky tert-butyl groups can influence steric properties in target molecules.
Research and Development
Employed in academic and industrial research labs for exploring new synthetic pathways and developing new chemical entities.
| Molecular weight | 338.39 |
|---|---|
| Empirical formula | C15H21F3O3S |
| Assay | 97% |
| Melting point | 24-29 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- 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 |
| Safety statements (S) | 26 |
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 3,5-Di-tert-butylphenyl trifluoromethanesulfonate used for?
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3,5-Di-tert-butylphenyl trifluoromethanesulfonate is primarily used as a building block and intermediate in organic synthesis, particularly in research and development settings for the creation of complex organic molecules.
What is the CAS number and molecular formula for 3,5-Di-tert-butylphenyl trifluoromethanesulfonate?
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The CAS number is 155064-25-8, and the molecular formula is C15H21F3O3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Di-tert-butylphenyl trifluoromethanesulfonate with an assay of 97%. This is a research-grade chemical and is not supplied as USP, BP, or EP grade.
How should 3,5-Di-tert-butylphenyl trifluoromethanesulfonate be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid contact with eyes, skin, and clothing. Ensure adequate ventilation. It is classified as a Warning with H319 hazard statement (Causes serious eye irritation).
How is this chemical packed and exported?
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This chemical is carefully packed according to international shipping regulations to ensure safe transit. Tech Serve Solutions is a global supplier and exporter, experienced in shipping fine chemicals worldwide.
How can I request a sample or quote for 3,5-Di-tert-butylphenyl trifluoromethanesulfonate?
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To request a sample or a quote, please use the contact form on our website or contact our sales department directly. Please specify the quantity required.
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