Description

4-Butoxy-2,3-difluorophenol (CAS No. 136239-68-4) is a high-purity fluorinated phenolic compound with the molecular formula C₁₀H₁₂F₂O₂. This specialty chemical is characterized by its butoxy and difluoro substitutions on the phenol ring, offering unique electronic and steric properties for advanced research applications. It is supplied as a crystalline solid with >98% purity (HPLC), ensuring consistency for sensitive synthetic and material science workflows. The compound’s IUPAC name is 4-butoxy-2,3-difluorophenol, and it is also known by alternative identifiers including MFCD07368023. Proper storage recommendations include protection from light at 2-8°C in inert atmosphere. This product is intended for research purposes only and requires handling with appropriate personal protective equipment due to potential irritant properties.

Properties

• CAS Number: 136239-68-4
• Complexity: 166
• IUPAC Name: 4-butoxy-2,3-difluoro-phenol
• InChI: InChI=1S/C10H12F2O2/c1-2-3-6-14-8-5-4-7(13)9(11)10(8)12/h4-5,13H,2-3,6H2,1H3
• InChI Key: HQFTTYLLNVHBGT-UHFFFAOYSA-N
• Exact Mass: 202.08053595
• Molecular Formula: C10H12F2O2
• Molecular Weight: 202.20
• SMILES: CCCCOC1=C(C(=C(C=C1)O)F)F
• Topological: 29.5
• Monoisotopic Mass: 202.08053595
• Synonyms: 4-Butoxy-2,3-difluorophenol, 136239-68-4, 1-Hydroxy-4-butoxy-2,3-difluorobenzene, MFCD07368023, 2,3-difluoro-4-butoxyphenol, SCHEMBL1243321, DTXSID40598113, HQFTTYLLNVHBGT-UHFFFAOYSA-N, C10H12F2O2, AKOS015961678, AC-14521, AS-59224

Application

4-Butoxy-2,3-difluorophenol serves as a versatile building block in pharmaceutical intermediate synthesis, particularly for developing fluorinated drug candidates where its electron-withdrawing properties modulate bioavailability. In materials science, the compound finds use as a monomer for specialty polymers with enhanced thermal stability and dielectric properties. The orthogonal reactivity of its phenolic hydroxyl and alkoxy groups enables selective derivatization for complex molecule construction.

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