性状 无色液体。能与水、乙醇、乙醚和烃类溶剂混溶。 密度:0.9451 熔点:-68℃ 沸点:162℃ 折光率:1.4097 闪点:70℃ 备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。 质量标准 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
GR,>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 % 贮存 密封阴凉干燥保存。 用途 本品为非质子极性溶剂,可用于极性有机反应,阴离子聚合、配位离子聚合反应的溶剂,可作还原烷基化和缩合等反应溶剂,还可作为格氏和类似合成的介质,也用作无污染清洗剂、萃取剂、稀释剂、医药助剂及树脂溶剂。 联合国编号 3271 Risk: R60- R61- R10- R19- Safety : S53- S45- |