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FTIR 圖譜最符合含強酯羰基和多個 C–O 帶的含氧脂肪族材料,而非支持明確歸屬為單一命名化合物。最近的譜庫匹配是 1-甲氧基丙-2-基乙酸酯,但檢索可信度非常低,且無直接或相關文獻證據獨立確認該特定身份。
建議的下一步: Recollect the FTIR spectrum with careful background subtraction and check whether the 2280 cm-1 band persists. Inspect the spectrum for ester-specific companion bands and relative intensities against an authentic spectrum of 1-methoxypropan-2-yl acetate and closely related glycol ether acetates. Use GC-MS if the sample is volatile to distinguish among methoxypropyl acetate, ethoxyethyl acetate, and related oxygenated solvents. If the sample may be a mixture, perform chromatographic separation before spectral confirmation.
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