Methyl trifluoromethanesulfonate
Also known as: Methyl triflate, Trifluoromethanesulfonic acid methyl ester, Methyl trifluoromethanesulphonate, Methanesulfonic acid, 1,1,1-trifluoro-, methyl ester, Methanesulfonic acid, trifluoro-, methyl ester, MFCD00000409, NSC 270679, methyl (trifluoromethyl)sulfonate, methyl-triflate, methyltrifluoromethanesulfinate, Threefluoro Methanesulfonic acidMethyl ester
Methyl trifluoromethanesulfonate (CAS 333-27-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H3F3O3S and a molecular weight of 164.104 g/mol. Key properties include a boiling point of 96.5±0.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 38.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 333-27-7
- Jingsj CID
- J-22043-9
- Molecular Formula
- C2H3F3O3S
- Molecular Weight
- 164.104 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 96.5±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 38.3±0.0 °C |
| Exact Mass | 163.975494 |
| PSA | 51.75000 |
| LogP | 0.96 |
| Vapor Pressure | 49.7±0.1 mmHg at 25°C |
| Refractive Index | 1.342 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2905199090 |
|---|---|
| Summary | 2905199090. saturated monohydric alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methyl trifluoromethanesulfonate?
The CAS number of Methyl trifluoromethanesulfonate is 333-27-7.
What are the molecular formula and molecular weight of Methyl trifluoromethanesulfonate?
Methyl trifluoromethanesulfonate has molecular formula C2H3F3O3S and molecular weight 164.104 g/mol.
Is Methyl trifluoromethanesulfonate hazardous?
Methyl trifluoromethanesulfonate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Methyl trifluoromethanesulfonate?
For Methyl trifluoromethanesulfonate, Upstream Products: Silver trifluoromethanesulfonate, iodomethane, Methanol; Downstream Products: 5-bromo-2-methyl-8-nitro-1,2,3,4-tetrahydroisoquinoline, 2-Methyl-3-pentanone, 2,4-Dimethyl-3-pentanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl trifluoromethanesulfonate (CAS 333-27-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22043-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.