Description

2,2-Difluoroethyl Acetate (CAS No. 1550-44-3) is a high-purity fluorinated ester compound with the molecular formula C₄H₆F₂O₂. This specialty chemical is widely utilized in advanced organic synthesis, pharmaceutical research, and material science due to its unique fluorinated structure. The compound is characterized by its clear liquid appearance, moderate volatility, and compatibility with a range of organic solvents. It is supplied in rigorously tested batches to ensure consistency in reactivity and purity, making it ideal for precision applications. Proper storage under inert conditions is recommended to maintain stability.

Properties

• CAS Number: 1550-44-3
• Complexity: 82.1
• IUPAC Name: 2,2-difluoroethyl acetate
• InChI: InChI=1S/C4H6F2O2/c1-3(7)8-2-4(5)6/h4H,2H2,1H3
• InChI Key: PFJLHSIZFYNAHH-UHFFFAOYSA-N
• Exact Mass: 124.03358575
• Molecular Formula: C4H6F2O2
• Molecular Weight: 124.09
• SMILES: CC(=O)OCC(F)F
• Topological: 26.3
• Monoisotopic Mass: 124.03358575
• Synonyms: 2,2-difluoroethyl acetate, 1550-44-3, 2,2-Difluoroethylacetate, DTXSID00165789, DTXCID2088280, 801-773-4, Ethanol, 2,2-difluoro-, 1-acetate, MFCD00069133, acetic acid 2,2-difluoro-ethyl ester, difluoroethylacetate, difluoroethyl acetate, SCHEMBL333733, SBB085543, AKOS006229971, Acetatic Acid 2,2-Difluoroethyl Ester, BS-43894, DB-043252, D5040, F20444

Application

2,2-Difluoroethyl Acetate serves as a versatile building block in the synthesis of fluorinated pharmaceuticals and agrochemicals. It is employed as a precursor in the preparation of complex molecules where the difluoroethyl group enhances metabolic stability. Researchers also utilize this compound in polymer chemistry to modify surface properties and introduce fluorine-containing functionalities. Its reactivity under mild conditions makes it suitable for controlled esterification and transesterification reactions.

Safety and Hazards

GHS Hazard Statements

• H225 (50%): Highly Flammable liquid and vapor [Danger Flammable liquids]
• H226 (50%): Flammable liquid and vapor [Warning Flammable liquids]
• H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (50%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (25%): 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, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (50%)
• Flam. Liq. 3 (50%)
• Skin Irrit. 2 (50%)
• Eye Irrit. 2 (50%)
• STOT SE 3 (25%)

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