Description

2,5-Difluorobenzyl Chloride (CAS No. 495-07-8) is a high-purity organic compound with the molecular formula C₇H₅ClF₂. This versatile reagent is widely used in pharmaceutical and agrochemical synthesis due to its reactive benzylic chloride group and strategically placed fluorine substituents. The compound is supplied as a clear to pale yellow liquid with a characteristic aromatic odor, typically at ≥97% purity (GC).

Our 2,5-Difluorobenzyl Chloride is rigorously tested for identity, purity, and stability, making it ideal for nucleophilic substitution reactions, cross-coupling chemistry, and as a building block for advanced intermediates. The product is packaged under inert gas in amber glass bottles to ensure maximum shelf life and is available in research (5g, 25g) and bulk quantities (100g, 1kg).

Key specifications include: Molecular Weight: 162.56 g/mol, Density: 1.28 g/cm³, Boiling Point: 185-187°C, Refractive Index: n_D²⁰ 1.495-1.505. Store at 2-8°C in a well-ventilated area, protected from moisture.

Properties

• CAS Number: 495-07-8
• Complexity: 108
• IUPAC Name: 2-(chloromethyl)-1,4-difluoro-benzene
• InChI: InChI=1S/C7H5ClF2/c8-4-5-3-6(9)1-2-7(5)10/h1-3H,4H2
• InChI Key: INXKTZMJFPRVAY-UHFFFAOYSA-N
• Exact Mass: 162.0047842
• Molecular Formula: C7H5ClF2
• Molecular Weight: 162.56
• SMILES: C1=CC(=C(C=C1F)CCl)F
• Monoisotopic Mass: 162.0047842
• Synonyms: 2,5-Difluorobenzyl chloride, 495-07-8, DTXSID00371727, DTXCID10322760, 679-471-5, 2-(chloromethyl)-1,4-difluorobenzene, Benzene, 2-(chloromethyl)-1,4-difluoro-, MFCD01090989, 2-(chloromethyl)-1,4-bis(fluoranyl)benzene, 2,5-Difluorobenzylchloride, difluorobenzyl chloride, ALPHA-CHLORO-2,5-DIFLUOROTOLUENE, SCHEMBL2708686, INXKTZMJFPRVAY-UHFFFAOYSA-N, ALBB-006037, CK1011, SBB048037, STK503682, AKOS005171614, AS-45821, SY050461, D4726, EN300-43552, A822961, A827732

Application

2,5-Difluorobenzyl Chloride serves as a key intermediate in the synthesis of biologically active molecules, particularly in pharmaceutical research where its difluorinated aromatic ring enhances metabolic stability. The compound is frequently employed in Suzuki-Miyaura cross-coupling reactions to create novel biphenyl derivatives for drug discovery. Its reactive chloromethyl group makes it valuable for constructing heterocyclic scaffolds in medicinal chemistry programs targeting CNS and anti-inflammatory therapies.

Safety and Hazards

GHS Hazard Statements

• H290 (82.9%): May be corrosive to metals [Warning Corrosive to Metals]
• H314 (97.1%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H318 (82.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

Precautionary Statements

• P234, P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P390, P405, P406, and P501

Hazard Classes and Categories

• Met. Corr. 1 (82.9%)
• Skin Corr. 1B (97.1%)
• Eye Dam. 1 (82.9%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.