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4-(Trifluoromethylthio)benzoic acid

Also known as: 4-((Trifluoromethyl)thio)benzoic acid, 4-(Trifluoromethylsulfanyl)benzoic acid, p-(Trifluoromethylthio)benzoic acid, 4-Trifluoromethylsulfanyl-benzoic acid, MFCD00040906

4-(Trifluoromethylthio)benzoic acid (CAS 330-17-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5F3O2S and a molecular weight of 222.18400 g/mol. Key properties include a melting point of 159.5-162.5 °C(lit.), a boiling point of 227.6ºC at 760 mmHg, a density of 1.5 g/cm3 and a flash point of 91.4ºC. 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.
330-17-6
Jingsj CID
J-5819-5
Molecular Formula
C8H5F3O2S
Molecular Weight
222.18400 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point159.5-162.5 °C(lit.)
Boiling Point227.6ºC at 760 mmHg
Density1.5 g/cm3
Flash Point91.4ºC
Exact Mass221.99600
PSA62.60000
LogP2.99670

GHS Safety & Compliance

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

Frequently Asked Questions

What is the CAS number of 4-(Trifluoromethylthio)benzoic acid?

The CAS number of 4-(Trifluoromethylthio)benzoic acid is 330-17-6.

What are the molecular formula and molecular weight of 4-(Trifluoromethylthio)benzoic acid?

4-(Trifluoromethylthio)benzoic acid has molecular formula C8H5F3O2S and molecular weight 222.18400 g/mol.

Is 4-(Trifluoromethylthio)benzoic acid hazardous?

4-(Trifluoromethylthio)benzoic acid 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 4-(Trifluoromethylthio)benzoic acid?

For 4-(Trifluoromethylthio)benzoic acid, Upstream Products: Methyl 4-(trifluoromethylthio)benzoate, 4-(Trifluoromethylthio)bromobenzene, Potassium formate; Downstream Products: 4-(Trifluoromethylthio)benzyl chloride, 1-Nitro-2-[(trifluoromethyl)sulfonyl]benzene.

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

Last updated:

How to cite: Jingsj. "4-(Trifluoromethylthio)benzoic acid (CAS 330-17-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5819-5 (accessed 2026-11-09).

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