3-Fluorothiophenol

3-氟苯硫酚

Also known as: 3-Fluorobenzenethiol, m-Fluorothiophenol, 3-Mercaptofluorobenzene, m-Fluorobenzenethiol

3-Fluorothiophenol (CAS 2557-77-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H5FS and a molecular weight of 128.167 g/mol. It is also known as 3-Fluorobenzenethiol, m-Fluorothiophenol and 3-Mercaptofluorobenzene. Key properties include a boiling point of 162.7±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 56.5±8.1 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2557-77-9
Jingsj CID
J-1990825-4
Molecular Formula
C6H5FS
Chinese Name
3-氟苯硫酚
Molecular Weight
128.167 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point162.7±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point56.5±8.1 °C
Exact Mass128.009598
PSA38.80000
LogP2.56
Vapor Pressure2.8±0.3 mmHg at 25°C
Refractive Index1.561

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Fluorothiophenol?

The CAS number of 3-Fluorothiophenol is 2557-77-9.

What are the molecular formula and molecular weight of 3-Fluorothiophenol?

3-Fluorothiophenol has molecular formula C6H5FS and molecular weight 128.167 g/mol.

Is 3-Fluorothiophenol hazardous?

3-Fluorothiophenol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3-Fluorothiophenol?

For 3-Fluorothiophenol, Upstream Products: 1-Fluoro-3-iodobenzene, 4-Fluoro-2-nitroaniline, 1-fluoro-3-nitrobenzene; Downstream Products: Bis(3-fluorophenyl) Disulfide, 3-Fluorobenzenesulfonyl chloride, 3-Fluorothioanisole.

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

Last updated:

How to cite: Jingsj. "3-Fluorothiophenol (CAS 2557-77-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990825-4 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.