Description

2,2-Difluoro-1,3-benzodioxole (CAS No. 216-431-4) is a high-purity fluorinated organic compound with the molecular formula C₇H₄F₂O₂. This specialty chemical is characterized by its unique benzodioxole core structure with two fluorine atoms at the 2-position, making it a valuable intermediate for pharmaceutical, agrochemical, and materials science research. Our product is rigorously tested to ensure >98% purity (GC) and is supplied in sealed, light-resistant containers to maintain stability. Ideal for use in nucleophilic substitution reactions, catalytic processes, and as a building block for advanced fluorinated materials. Available in quantities from 1g to 1kg with customizable packaging options.

• CAS: 216-431-4 / 1583-59-1
• Molecular Weight: 158.10 g/mol
• Appearance: Colorless to pale yellow liquid
• Storage: 2-8°C under inert atmosphere
• Hazard Codes: Xi (Irritant)

Properties

• CAS Number: 216-431-4
• Complexity: 145
• IUPAC Name: 2,2-difluoro-1,3-benzodioxole
• InChI: InChI=1S/C7H4F2O2/c8-7(9)10-5-3-1-2-4-6(5)11-7/h1-4H
• InChI Key: DGCOGZQDAXUUBY-UHFFFAOYSA-N
• Exact Mass: 158.01793569
• Molecular Formula: C7H4F2O2
• Molecular Weight: 158.10
• SMILES: C1=CC=C2C(=C1)OC(O2)(F)F
• Topological: 18.5
• Monoisotopic Mass: 158.01793569
• Synonyms: 2,2-Difluoro-1,3-benzodioxole, 1583-59-1, EINECS 216-431-4, DTXSID60166398, EC 216-431-4, DTXCID5088889, 216-431-4, 2,2-difluorobenzo[d][1,3]dioxole, 2,2-Difluorobenzodioxole, 1,3-Benzodioxole, 2,2-difluoro-, 2,2-difluoro-2H-1,3-benzodioxole, 2,2-difluoro-benzodioxole, MFCD00236217, 1,2-(Difluoromethylenedioxy)benzene, 1,2-[(Difluoromethylene)dioxy]benzene; 2,2-Difluoro-1,3-benzodioxole; 2,2-Difluorobenzodioxole, SCHEMBL12038, SCHEMBL20278, SCHEMBL200514, 2,2-difluoro-1,3-dioxaindane, ROADUQBQMYHXFB-UHFFFAOYSA-N, 2,2-difluorobenzo[d]1,3-dioxolane, 2,2-difluorobenzo[d]1,3-dioxolene, SBB058476, AKOS000120916, CS-W002572, PS-6778, SB13158, 2,2-Difluoro-1,3-benzodioxole, 97%, DB-010878, D4051, NS00047286, ST50824665, EN300-20341

Application

2,2-Difluoro-1,3-benzodioxole serves as a key fluorinated synthon in medicinal chemistry for the development of bioactive molecules with enhanced metabolic stability. Its benzodioxole scaffold is utilized in materials science to create fluorinated polymers with improved thermal and chemical resistance. The compound’s reactivity also makes it valuable for synthesizing liquid crystal materials and specialty coatings where fluorine incorporation is critical for performance.

Safety and Hazards

GHS Hazard Statements

• H226 (67.2%): Flammable liquid and vapor [Warning Flammable liquids]
• H315 (99.1%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (34.5%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H319 (41.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (41.4%): 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, P271, P272, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P333+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (67.2%)
• Skin Irrit. 2 (99.1%)
• Skin Sens. 1 (34.5%)
• Eye Irrit. 2A (41.4%)
• STOT SE 3 (41.4%)

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