tert-Butyldimethylsilyl trifluoromethanesulfonate
Also known as: Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester, TBDMS triflate, TBS Triflate, tert-Butyldimethylsilyl triflate, t-Butyldimethylsilyl trifluoromethanesulfonate, t-Butyldimethylsilyl triflate, Dimethyl(2-methyl-2-propanyl)silyl trifluoromethanesulfonate, (1,1-Dimethylethyl)dimethylsilyl trifluoromethanesulfonate, Methanesulfonic acid, 1,1,1-trifluoro-, (1,1-dimethylethyl)dimethylsilyl ester, SILANE TBM2 TRIFLATE
tert-Butyldimethylsilyl trifluoromethanesulfonate (CAS 69739-34-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H15F3O3SSi and a molecular weight of 264.338 g/mol. Key properties include a melting point of <0ºC, a boiling point of 182.4±0.0 °C at 760 mmHg, a density of 1.15 and a flash point of 73.4±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H314 — Causes severe skin burns and eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 69739-34-0
- Jingsj CID
- J-9247-7
- Molecular Formula
- C7H15F3O3SSi
- Molecular Weight
- 264.338 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 182.4±0.0 °C at 760 mmHg |
| Density | 1.15 |
| Flash Point | 73.4±25.9 °C |
| Exact Mass | 264.046326 |
| PSA | 51.75000 |
| LogP | 3.76 |
| Vapor Pressure | 1.1±0.3 mmHg at 25°C |
| Refractive Index | 1.399 |
| Additional Property | DECOMPOSES |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyldimethylsilyl trifluoromethanesulfonate?
The CAS number of tert-Butyldimethylsilyl trifluoromethanesulfonate is 69739-34-0.
What are the molecular formula and molecular weight of tert-Butyldimethylsilyl trifluoromethanesulfonate?
tert-Butyldimethylsilyl trifluoromethanesulfonate has molecular formula C7H15F3O3SSi and molecular weight 264.338 g/mol.
Is tert-Butyldimethylsilyl trifluoromethanesulfonate hazardous?
tert-Butyldimethylsilyl trifluoromethanesulfonate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage; H335 — May cause respiratory irritation.
What are the upstream and downstream products of tert-Butyldimethylsilyl trifluoromethanesulfonate?
For tert-Butyldimethylsilyl trifluoromethanesulfonate, Upstream Products: Trifluoromethanesulfonic acid, tert-Butyldimethylchlorosilane, Isopropenyltrimethylsilane; Downstream Products: 3,6-Di-O-tert-butyldimethylsilyl-D-glucal, Methyl (R)-(+)-3-(tert-butyldimethylsilyloxy)-5-oxo-1-cyclopentene-1-heptanoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyldimethylsilyl trifluoromethanesulfonate (CAS 69739-34-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9247-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.