99%:
外观Appearance 无色透明液体
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0% (GC)
折光率Refractive index n20/D 1.5300 - 1.5350
比重Specific gravity (25/25°C) 1.016 - 1.021
项目 化学纯
(CP)
含量Assay ≥98.0%
氯化物Chloride ≤0.005%
比重Specific gravity (20/20°C) 1.017~1.020
醛 ≤0.2%
折光率Refractive index n20/D 1.531~1.533
灼烧残渣Residue ignition ≤0.005%
≥99%, FCC, FG:
外观Appearance Colorless Liquid
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity(GC) ≥99.0%
相对密度Specific gravity (25/25°C) 1.0170 - 1.0200
折光率Refractive index n20/D 1.5310 - 1.5340
氯化合物Chlorine Compounds (CLCD) Pass
酸值Acid Value ≤2.00
砷Arsenic (As) ≤3 ppm
镉Cadmium (Cd) ≤1 ppm
汞Mercury (Hg) ≤1 ppm
铅Lead (Pb) ≤10 ppm
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