Phenylmethanesulfonyl fluoride
Also known as: PMSF, α-Toluenesulfonyl fluoride, α-Toluenesulphonyl fluoride, Benzylsulfonyl fluoride, Phenylmethylsulfonyl fluoride, Benzenemethanesulfonyl fluoride, Phenylmethanesulfonyl fluoride
Phenylmethanesulfonyl fluoride (CAS 329-98-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H7FO2S and a molecular weight of 174.193 g/mol. Key properties include a melting point of 92-95 °C, a boiling point of 285.7±19.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 126.6±21.5 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H314 — Causes severe skin burns and eye damage. It is listed by 1 supplier, from 20.00 to 40.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 329-98-6
- Jingsj CID
- J-1317579-3
- Molecular Formula
- C7H7FO2S
- Molecular Weight
- 174.193 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 100g | ¥2,000.00 | $2.99 /gBest ¥20.00/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥660.00 | $3.95 /g ¥26.40/g CNY | CN China MOQ 25g | |
In Stock | 98% 5g | ¥180.00 | $5.39 /g ¥36.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 92-95 °C |
|---|---|
| Boiling Point | 285.7±19.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 126.6±21.5 °C |
| Exact Mass | 174.015076 |
| PSA | 42.52000 |
| LogP | 2.33 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.522 |
| Additional Property | hydrolysis |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H314 — Causes severe skin burns and eye damage
Activity & Biological Data
| Additional Information | [1]. Sekar, M.C. and B.D. Roufogalis, Differential effects of phenylmethanesulfonyl fluoride (PMSF) on carbachol and potassium stimulated phosphoinositide turnover and contraction in longitudinal smooth muscle of guinea pig ileum. Cell Calcium, 1984. 5(3): p. [2]. Guther, M.L., W.J. Masterson, and M.A. Ferguson, The effects of phenylmethylsulfonyl fluoride on inositol-acylation and fatty acid remodeling in African trypanosomes. J Biol Chem, 1994. 269(28): p. 18694-701. [3]. Compton, D.R. and B.R. Martin, The effect of the enzyme inhibitor phenylmethylsulfonyl fluoride on the pharmacological effect of anandamide in the mouse model of cannabimimetic activity. J Pharmacol Exp Ther, 1997. 283(3): p. 1138-43. |
|---|
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 Phenylmethanesulfonyl fluoride?
The CAS number of Phenylmethanesulfonyl fluoride is 329-98-6.
What are the molecular formula and molecular weight of Phenylmethanesulfonyl fluoride?
Phenylmethanesulfonyl fluoride has molecular formula C7H7FO2S and molecular weight 174.193 g/mol.
Which suppliers offer Phenylmethanesulfonyl fluoride?
1 supplier(s) listed; reference unit price ¥20.00–40.00 /g.
Is Phenylmethanesulfonyl fluoride hazardous?
Phenylmethanesulfonyl fluoride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Phenylmethanesulfonyl fluoride?
For Phenylmethanesulfonyl fluoride, Upstream Products: Dibenzyl disulfide; Downstream Products: trans-Cinnamonitrile, trans-Chalcone, (E)-4-phenylbut-3-en-2-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenylmethanesulfonyl fluoride (CAS 329-98-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1317579-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.