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3-Fluoro-4-hydroxyphenylacetic acid

Also known as: 2-(3-fluoro-4-hydroxyphenyl)acetic acid, 3-fluoro-4-hydroxybenzeneacetic acid, (3-fluoro-4-hydroxyphenyl)acetic acid, Benzeneacetic acid, 3-fluoro-4-hydroxy-, 4-(Carboxymethyl)-2-fluorophenol

3-Fluoro-4-hydroxyphenylacetic acid (CAS 458-09-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7FO3 and a molecular weight of 170.13800 g/mol. Key properties include a melting point of 132-134 °C(lit.), a boiling point of 320.3ºC at 760 mmHg, a density of 1.423 g/cm3 and a flash point of 147.5ºC. 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.
458-09-3
Jingsj CID
J-36868-3
Molecular Formula
C8H7FO3
Molecular Weight
170.13800 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point132-134 °C(lit.)
Boiling Point320.3ºC at 760 mmHg
Density1.423 g/cm3
Flash Point147.5ºC
Exact Mass170.03800
PSA57.53000
LogP1.15840
Vapor Pressure0.000133mmHg at 25°C

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 3-Fluoro-4-hydroxyphenylacetic acid?

The CAS number of 3-Fluoro-4-hydroxyphenylacetic acid is 458-09-3.

What are the molecular formula and molecular weight of 3-Fluoro-4-hydroxyphenylacetic acid?

3-Fluoro-4-hydroxyphenylacetic acid has molecular formula C8H7FO3 and molecular weight 170.13800 g/mol.

Is 3-Fluoro-4-hydroxyphenylacetic acid hazardous?

3-Fluoro-4-hydroxyphenylacetic 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 3-Fluoro-4-hydroxyphenylacetic acid?

For 3-Fluoro-4-hydroxyphenylacetic acid, Upstream Products: 3-Fluoro-4-methoxyphenylacetic acid, 3-Fluoro-4-methoxyphenylacetonitrile, 2-Fluoroanisole.

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

Last updated:

How to cite: Jingsj. "3-Fluoro-4-hydroxyphenylacetic acid (CAS 458-09-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36868-3 (accessed 2026-11-09).

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