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p-Tolyl trifluoromethanesulfonate

Also known as: 4-Methylphenyl trifluoromethanesulfonate, 4-Methylphenyl triflate, p-Tolyl triflate, p-Trifluoromethanesulfonyloxytoluene, Trifluoromethanesulfonic acid p-tolyl ester, 4-Tolyl trifluoromethanesulfonate, para-Tolyl triflate

p-Tolyl trifluoromethanesulfonate (CAS 29540-83-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H7F3O3S and a molecular weight of 240.20000 g/mol. Key properties include a boiling point of 115ºC50 mm Hg(lit.), a density of 1.342 g/mL at 25ºC(lit.) and a flash point of 88.9 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
29540-83-8
Jingsj CID
J-12310-4
Molecular Formula
C8H7F3O3S
Molecular Weight
240.20000 g/mol
Category
Solvents
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point115ºC50 mm Hg(lit.)
Density1.342 g/mL at 25ºC(lit.)
Flash Point88.9 °C
Exact Mass240.00700
PSA51.75000
LogP3.30420
Vapor Pressure0.0242mmHg at 25°C
Refractive Indexn20/D 1.441(lit.)

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H314 — Causes severe skin burns and eye damage
  • H331 — Toxic if inhaled
  • H351 — Suspected of causing cancer

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-Tolyl trifluoromethanesulfonate?

The CAS number of p-Tolyl trifluoromethanesulfonate is 29540-83-8.

What are the molecular formula and molecular weight of p-Tolyl trifluoromethanesulfonate?

p-Tolyl trifluoromethanesulfonate has molecular formula C8H7F3O3S and molecular weight 240.20000 g/mol.

Is p-Tolyl trifluoromethanesulfonate hazardous?

p-Tolyl trifluoromethanesulfonate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of p-Tolyl trifluoromethanesulfonate?

For p-Tolyl trifluoromethanesulfonate, Upstream Products: p-Cresol, Trifluoromethanesulfonic anhydride, Trifluoromethanesulfonic acid; Downstream Products: 4-Fluorotoluene, 3-Fluorotoluene, 4'-Methyl-[1,1'-biphenyl]-4-carbonitrile.

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-Tolyl trifluoromethanesulfonate (CAS 29540-83-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12310-4 (accessed 2026-11-09).

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