Description

4-Chloro-1,2-difluorobenzene (CAS No. 696-02-6) is a high-purity halogenated aromatic compound with the molecular formula C₆H₃ClF₂. This specialty chemical is characterized by its clear to pale-yellow liquid appearance and is widely utilized in organic synthesis, pharmaceutical intermediates, and agrochemical research. Its unique structure, featuring chloro and difluoro substitutions on the benzene ring, makes it a valuable building block for the development of advanced materials and active pharmaceutical ingredients (APIs).

Our product is rigorously tested to ensure ≥98% purity (GC) and is supplied in sealed, light-resistant containers to maintain stability. Ideal for researchers requiring precise fluorinated intermediates, 4-Chloro-1,2-difluorobenzene is compatible with Grignard reactions, cross-coupling methodologies, and nucleophilic aromatic substitutions. Available in quantities from grams to kilograms, it is packaged under inert gas to guarantee optimal shelf life.

Properties

• CAS Number: 696-02-6
• Complexity: 97.1
• IUPAC Name: 4-chloro-1,2-difluoro-benzene
• InChI: InChI=1S/C6H3ClF2/c7-4-1-2-5(8)6(9)3-4/h1-3H
• InChI Key: OPQMRQYYRSTBME-UHFFFAOYSA-N
• Exact Mass: 147.9891341
• Molecular Formula: C6H3ClF2
• Molecular Weight: 148.54
• SMILES: C1=CC(=C(C=C1Cl)F)F
• Monoisotopic Mass: 147.9891341
• Synonyms: 4-Chloro-1,2-difluorobenzene, 696-02-6, OPQMRQYYRSTBME-UHFFFAOYSA-, 614-988-1, inchi=1/c6h3clf2/c7-4-1-2-5(8)6(9)3-4/h1-3h, 1-Chloro-3,4-difluorobenzene, 3,4-Difluorochlorobenzene, 4-chloro-1,2-difluoro-benzene, benzene, 4-chloro-1,2-difluoro, Benzene, 4-chloro-1,2-difluoro-, Benzene,4-chloro-1,2-difluoro-, NSC10255, MFCD00042572, SCHEMBL261271, SCHEMBL530450, SCHEMBL977380, SCHEMBL978880, 3,4-difluoro-1-chlorobenzene, DTXSID70219864, NSC 10255, NSC-10255, SBB086606, 4-Chloro-1,2-difluorobenzene, 98%, AKOS006223206, CS-W013302, AC-14086, DS-16747, DB-030730, C1599, NS00124133, EN300-192853, 3,4-Difluorochlorobenzene ;1-Chloro-3,4-difluorobenzene

Application

4-Chloro-1,2-difluorobenzene serves as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of fluorinated drug candidates. It is also employed in agrochemical research for creating herbicides and pesticides with enhanced activity. Additionally, this compound finds use in material science for designing liquid crystals and specialty polymers.

Safety and Hazards

GHS Hazard Statements

• H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
• H302 (87.2%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (97.9%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (100%)
• Acute Tox. 4 (87.2%)
• Skin Irrit. 2 (97.9%)
• Eye Irrit. 2 (100%)
• STOT SE 3 (97.9%)

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