HPLC Tetrahydrofuran CAS.No: 109-99-9 Molecular formula: C4H8O Molecular weight: 72.10 Density(20): 0.889g/ml.     TEST ITEMS SPECIFICATION 1 Assay (GC) , / % 99.9 2 Density(20?) , / (g/mL) 0.886~0.892 3 Residue on evaporation, / % 0.0005 4 Water (H2O), / % 0.02 5 UV Absorbance (1cm cell vs. water) 212 nm 1.00 250 nm 0.25 300 nm 0.02 350 nm 0.01 400nm 0.01

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