99.5%:
纯度Purity >99.5% (GC) 外观Appearance 无色透明液体 远红外光谱测定Infrared spectrometry 合格 折光率Refractive index n20/D 1.4360 - 1.4380
项目 化学纯 (CP) 沸程Boiling range,℃ 128.0~131.0 纯度Purity >97.0% (GC) 折光率Refractive index n20/D 0.947~0.951 酸度Acidity(以H+计)/(mmol/100g)≤0.26 蒸发残渣Evaporation residue ≤0.05% |