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5-Fluoroisobenzofuran-1,3-dione (4-fluorophthalic anhydride) is an organic reagent used in life-science research and organic synthesis. Supplied as an off-white to gray solid (CAS 319-03-9), it has a molecular weight of 166.11 g/mol and is provided for research use only. Recommended storage and solvent recommendations support stability and handling for laboratory use.
Purity 97.0%.
Molecular formula C8H3FO3 and molecular weight 166.11 g/mol.
Off-white to gray solid appearance.
Soluble in DMSO at 100 mg/mL; ultrasonic assistance recommended.
Storage: powder -20°C (up to 3 years); in solvent -80°C (6 months) or -20°C (1 month).
Intended for research use only; not for human or veterinary use.
Shipping at room temperature in continental US; may vary elsewhere.
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