3-Fluoro-4-hydroxybenzoic acid

CAS 350-29-8FC6H3(OH)CO2HChemical Synthesis

3-Fluoro-4-hydroxybenzoic acid (CAS: 350-29-8; Formula: FC6H3(OH)CO2H; Molar Mass: 156.11 g/mol) is a fluorinated aromatic carboxylic acid. This compound serves as a valuable building block in organic synthesis. It is employed in the preparation of more complex molecules, particularly within the pharmaceutical and agrochemical industries, owing to the unique properties imparted by the fluorine atom and hydroxyl group.

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3-Fluoro-4-hydroxybenzoic acid (FC6H3(OH)CO2H) — chemical structure, CAS 350-29-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksCarbonyl CompoundsCarboxylic AcidsChemical SynthesisFluorinated Building BlocksOrganic Building Blocks

01 /Applications

Pharmaceutical Intermediate

Used in the synthesis of active pharmaceutical ingredients (APIs). The presence of fluorine can modulate a drug candidate's pharmacokinetic and pharmacodynamic properties.

Agrochemical Synthesis

Serves as a precursor for developing novel pesticides and herbicides. Fluorinated compounds often exhibit enhanced biological activity and environmental persistence profiles.

Material Science

Can be incorporated into polymers or specialty materials to modify their thermal, chemical, or electronic properties.

Research and Development

A versatile reagent for academic and industrial research laboratories exploring new chemical entities and reaction pathways.

02 /Properties

Molecular weight	156.11
Linear formula	FC6H3(OH)CO2H
Assay	95%
Melting point	154-158 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

350-29-8

MDL number

MFCD00143161

PubChem substance

24878786

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3-Fluoro-4-hydroxybenzoic acid used for?

3-Fluoro-4-hydroxybenzoic acid is primarily used as a building block in organic synthesis, particularly for the development of pharmaceuticals, agrochemicals, and specialty materials.

What are the CAS number and formula for 3-Fluoro-4-hydroxybenzoic acid?

The CAS number is 350-29-8, and the chemical formula is FC6H3(OH)CO2H.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 3-Fluoro-4-hydroxybenzoic acid with an assay of 95%. We do not represent this product as USP, BP, or EP grade.

How should 3-Fluoro-4-hydroxybenzoic acid be handled safely?

Handle with appropriate personal protective equipment including eyeshields, gloves, and a dust mask (N95). Avoid breathing dust and ensure adequate ventilation. This compound is classified as Danger with hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation).