Trifluoromethanesulfonic acid
Also known as: Triflic acid, Trifluoromethanesulphonic acid, Perfluoromethanesulfonic acid, Trifluoromethylsulfonic acid, HOTf, TfOH, 1,1,1-Trifluoromethanesulfonic acid, Fluorad FC-24, Methanesulfonic acid, trifluoro-, PFC-MS, TFMSA
Trifluoromethanesulfonic acid (CAS 1493-13-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CHF3O3S and a molecular weight of 150.077 g/mol. Key properties include a melting point of -40 °C, a boiling point of 162.0±0.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of None. 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. It is listed by 1 supplier, from 2.20 to 4.80 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 1493-13-6
- Jingsj CID
- J-36250-6
- Molecular Formula
- CHF3O3S
- Molecular Weight
- 150.077 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥1,100.00 | $0.33 /gBest ¥2.20/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥410.00 | $0.61 /g ¥4.10/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥120.00 | $0.72 /g ¥4.80/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | -40 °C |
|---|---|
| Boiling Point | 162.0±0.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | None |
| Exact Mass | 149.959854 |
| PSA | 62.75000 |
| LogP | -0.37 |
| Additional Property | 5.2 (vs air) |
| Vapor Pressure | 1.1±0.6 mmHg at 25°C |
| Refractive Index | 1.354 |
| Additional Property | SOLUBLE |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2904909090 |
|---|---|
| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Trifluoromethanesulfonic acid?
The CAS number of Trifluoromethanesulfonic acid is 1493-13-6.
What are the molecular formula and molecular weight of Trifluoromethanesulfonic acid?
Trifluoromethanesulfonic acid has molecular formula CHF3O3S and molecular weight 150.077 g/mol.
Which suppliers offer Trifluoromethanesulfonic acid?
1 supplier(s) listed; reference unit price ¥2.20–4.80 /g.
Is Trifluoromethanesulfonic acid hazardous?
Trifluoromethanesulfonic acid 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 Trifluoromethanesulfonic acid?
For Trifluoromethanesulfonic acid, Upstream Products: Trifluoromethanesulfonyl chloride, Trifluoromethane, Dimethyl sulfide; Downstream Products: N-Fluoro-3,5-dichloropyridinium triflate, 3-Fluorotoluene, Lithium trifluoromethanesulfonate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trifluoromethanesulfonic acid (CAS 1493-13-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36250-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.