Triphenylsulfonium trifluoromethanesulfonate
Also known as: Triphenylsulfonium triflate, Triphenylsulphonium triflate, Triphenylsulfur trifluoromethanesulfonate, Trifluoromethanesulfonate triphenylsulfanium, Sulfonium, triphenyl-, salt with trifluoromethanesulfonic acid (1:1), TPS-TF, Photoacid generator II, Triphenylsulfonium trifluoromethanesulfonate (1:1)
Triphenylsulfonium trifluoromethanesulfonate (CAS 66003-78-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H15F3O3S2 and a molecular weight of 412.44600 g/mol. Key property: a melting point of 133-137 °C(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66003-78-9
- Jingsj CID
- J-39427-4
- Molecular Formula
- C19H15F3O3S2
- Molecular Weight
- 412.44600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 133-137 °C(lit.) |
|---|---|
| Exact Mass | 412.04100 |
| PSA | 90.88000 |
| LogP | 5.91420 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Triphenylsulfonium trifluoromethanesulfonate?
The CAS number of Triphenylsulfonium trifluoromethanesulfonate is 66003-78-9.
What are the molecular formula and molecular weight of Triphenylsulfonium trifluoromethanesulfonate?
Triphenylsulfonium trifluoromethanesulfonate has molecular formula C19H15F3O3S2 and molecular weight 412.44600 g/mol.
Is Triphenylsulfonium trifluoromethanesulfonate hazardous?
Triphenylsulfonium trifluoromethanesulfonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Triphenylsulfonium trifluoromethanesulfonate?
For Triphenylsulfonium trifluoromethanesulfonate, Upstream Products: Diphenyl sulfoxide, Trifluoromethanesulfonic acid, Diphenyl sulfide; Downstream Products: Biphenyl, Dibutyl sulfide, Diphenyl sulfide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triphenylsulfonium trifluoromethanesulfonate (CAS 66003-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39427-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.