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p-Toluenesulfonyl fluoride

Also known as: 4-Methylbenzenesulfonyl fluoride, 4-Toluenesulfonyl fluoride, 4-Toluenesulphonyl fluoride, Tosyl fluoride, Benzenesulfonyl fluoride, 4-methyl-, p-Fluorosulfonyltoluene, p-Methylbenzenesulfonyl fluoride, 4-Methylphenylsulfonyl fluoride

p-Toluenesulfonyl fluoride (CAS 455-16-3) is a compound in the Solvents 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 41-42 °C(lit.), a boiling point of 233.0±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 105.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
455-16-3
Jingsj CID
J-42437-3
Molecular Formula
C7H7FO2S
Molecular Weight
174.193 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point41-42 °C(lit.)
Boiling Point233.0±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point105.6±0.0 °C
Exact Mass174.015076
PSA42.52000
LogP2.74
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.503

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2904909090
SummaryHS: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 p-Toluenesulfonyl fluoride?

The CAS number of p-Toluenesulfonyl fluoride is 455-16-3.

What are the molecular formula and molecular weight of p-Toluenesulfonyl fluoride?

p-Toluenesulfonyl fluoride has molecular formula C7H7FO2S and molecular weight 174.193 g/mol.

Is p-Toluenesulfonyl fluoride hazardous?

p-Toluenesulfonyl fluoride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of p-Toluenesulfonyl fluoride?

For p-Toluenesulfonyl fluoride, Upstream Products: p-Tolyl disulfide, p-Tolyl p-toluenethiosulfonate, p-Toluenethiol; Downstream Products: Isocyano(phenyl)methyl 4-methylphenyl sulfone, p-Toluenesulfonyl chloride, p-Toluenesulfonic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "p-Toluenesulfonyl fluoride (CAS 455-16-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42437-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.