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6-Methyl-3-pyridyl trifluoromethanesulfonate

Also known as: (6-methylpyridin-3-yl) trifluoromethanesulfonate, 2-Methyl-5-pyridyl triflate, 2-methyl-5-(trifluoromethylsulfonyloxy)pyridine, 6-Methyl-3-Pyridinyl Trifluoromethanesulfonate, 6-methylpyridin-3-yl trifluoromethanesulfonate, Methanesulfonic acid, 1,1,1-trifluoro-, 6-methyl-3-pyridinyl ester, trifluoromethanesulfonic acid 6-methyl-3-pyridinyl ester, trifluoromethanesulfonic acid 6-methylpyridin-3-yl ester

6-Methyl-3-pyridyl trifluoromethanesulfonate (CAS 111770-91-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6F3NO3S and a molecular weight of 241.18800 g/mol. Key properties include a boiling point of 80-82ºC1.9 mm Hg(lit.), a density of 1.412 g/mL at 25ºC(lit.) and a flash point of 92 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
111770-91-3
Jingsj CID
J-40221-1
Molecular Formula
C7H6F3NO3S
Molecular Weight
241.18800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point80-82ºC1.9 mm Hg(lit.)
Density1.412 g/mL at 25ºC(lit.)
Flash Point92 °C
Exact Mass241.00200
PSA64.64000
LogP2.69920
Vapor Pressure0.013mmHg at 25°C
Refractive Indexn20/D 1.442(lit.)

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 6-Methyl-3-pyridyl trifluoromethanesulfonate?

The CAS number of 6-Methyl-3-pyridyl trifluoromethanesulfonate is 111770-91-3.

What are the molecular formula and molecular weight of 6-Methyl-3-pyridyl trifluoromethanesulfonate?

6-Methyl-3-pyridyl trifluoromethanesulfonate has molecular formula C7H6F3NO3S and molecular weight 241.18800 g/mol.

Is 6-Methyl-3-pyridyl trifluoromethanesulfonate hazardous?

6-Methyl-3-pyridyl trifluoromethanesulfonate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 6-Methyl-3-pyridyl trifluoromethanesulfonate?

For 6-Methyl-3-pyridyl trifluoromethanesulfonate, Upstream Products: 3-Hydroxy-6-methylpyridine, Trifluoromethanesulfonic anhydride, N-Phenylbis(trifluoromethanesulfonimide); Downstream Products: 2-Methyl-5-phenylpyridine, 2-Methyl-5-[3-(trifluoromethyl)phenyl]pyridine, 5-Acetyl-2-methylpyridine.

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

Last updated:

How to cite: Jingsj. "6-Methyl-3-pyridyl trifluoromethanesulfonate (CAS 111770-91-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40221-1 (accessed 2026-11-09).

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