| CP，>99.0%(GC)：
外观Appearance Colorless Liquid
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity(GC) ≥98.0%
相对密度Specific gravity (20/20°C) 0.9450 - 0.9470
折光率Refractive index n20/D 1.4060 - 1.4100
CP，>99.5%(GC)：
外观Appearance Colorless Liquid
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity(GC) ≥99.5%
相对密度Specific gravity (20/20°C) 0.9450 - 0.9470
折光率Refractive index n20/D 1.4060 - 1.4100
过氧化物peroxides (as H2O2) ≤0.005%
水分water ≤0.1%
阳离子cation traces by ICP Atomic emission
Al: ≤0.5 ppm
Ba: ≤0.1 ppm
Bi: ≤0.1 ppm
Ca: ≤0.5 ppm
Cd: ≤0.05 ppm
Co: ≤0.02 ppm
Cr: ≤0.02 ppm
Cu: ≤0.02 ppm
Fe: ≤0.1 ppm
K: ≤0.5 ppm
Li: ≤0.1 ppm
Mg: ≤0.1 ppm
Mn: ≤0.02 ppm
Mo: ≤0.1 ppm
Na: ≤0.5 ppm
Ni: ≤0.02 ppm
Pb: ≤0.1 ppm
Sr: ≤0.1 ppm
Zn: ≤0.1 ppm
品级Grade 光谱级
(for spectroscopy, ≥99%)
外观Appearance Colorless Liquid
红外光谱Infrared spectrum Conforms to Structure
纯度Purity(GC) ≥99.0%
λ H2O reference
UV Absorbance 400nm ≤0.01
UV Absorbance 320nm ≤0.01
UV Absorbance 280nm ≤0.08
UV Absorbance 260nm ≤0.20
UV Absorbance 240nm ≤0.50
UV Absorbance 225nm ≤1.0
水分Water (by Karl Fischer) ≤0.05 %
灼烧残渣Residue on Evaporation ≤0.001 %
品级Grade 无水级
(anhydrous, 99.5%)
外观Appearance 无色液体
红外光谱鉴别Infrared spectrometry 和对照匹配
纯度Purity ≥99.5% (GC)
水分water ≤0.005 % (K.F)
蒸发残渣Residue on Evaporation ≤0.0005 %
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