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项目Item 分析纯
(AR)
含量(C4H8O)Assay,% ≥ 99.5%
密度(20℃)Density,g/ml 0.801~0.810
沸程Boiling range,℃ 74.0~77.0
折光率Refractive index,nD20 1.379~1.381
酸度[以CH3CH2CH2COOH计]Acidity,% ≤ 0.5
项目 化学纯
(CP)
沸点Boiling range/℃ 74.0~75.0
含量Assay ≥98.5%
比重Specific gravity (20/20°C) 0.801~0.804
酸度Acidity ≤0.8%
折光率Refractive index n20/D 1.379~1.381
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