2,6-Difluoro-4-methoxybenzoic acid

CAS 123843-65-2C8H6F2O3Chemical Synthesis

2,6-Difluoro-4-methoxybenzoic acid (CAS: 123843-65-2, C8H6F2O3) is a fluorinated organic compound with a molecular weight of 188.13 g/mol. It serves as a valuable building block in organic synthesis, particularly within the pharmaceutical and agrochemical industries. Its distinct structure, featuring fluorine atoms and a methoxy group on a benzoic acid core, allows for precise molecular modifications in the development of new chemical entities and advanced materials. TSS supplies this reagent for research and development purposes.

Synonyms: C8H6F2O32,6-Difluoro-4-methoxybenzoic acid

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2,6-Difluoro-4-methoxybenzoic acid (C8H6F2O3) — chemical structure, CAS 123843-65-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC7-C8Carbonyl CompoundsCarboxylic AcidsChemical SynthesisFluorinated Building BlocksOrganic Building Blocks

01 /Applications

Pharmaceutical Intermediate

This compound is used as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs). Its fluorinated nature can enhance drug properties such as metabolic stability and lipophilicity.

Agrochemical Synthesis

It functions as a building block for novel agrochemicals, contributing to the development of more effective and selective pesticides and herbicides.

Material Science

Can be incorporated into advanced materials or polymers where specific electronic or physical properties are desired due to the presence of fluorine atoms.

Organic Synthesis Reagent

Employed in general organic synthesis for introducing the 2,6-difluoro-4-methoxyphenyl moiety into complex molecular structures.

02 /Properties

Molecular weight	188.13
Empirical formula	C8H6F2O3
Assay	97%
Melting point	184-188 °C

03 /Safety & handling

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

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
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)	26-36/37

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

04 /Identifiers & registry

CAS number

123843-65-2

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 2,6-Difluoro-4-methoxybenzoic acid used for?

2,6-Difluoro-4-methoxybenzoic acid is primarily used as a building block in organic synthesis, particularly for pharmaceutical and agrochemical development, as well as in material science.

What is the CAS number and formula for 2,6-Difluoro-4-methoxybenzoic acid?

The CAS number is 123843-65-2 and the empirical formula is C8H6F2O3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2,6-Difluoro-4-methoxybenzoic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.

How should 2,6-Difluoro-4-methoxybenzoic acid be handled?

Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation. It is classified as a Warning with hazards H315, H319, and H335, indicating it can cause skin irritation, eye irritation, and respiratory irritation.