二乙二醇丁醚

无色液体。微有丁醇气味。易溶于乙醇和乙醚，溶于水、其他有机溶剂及油类。半数致死量(大鼠，经口)6.56g/kg。有刺激性。
密度:  0.955  
熔点:  -68 °C
沸点:  231 °C  
nD20:  1.431-1.433  
闪点:  100 °C  

项目                                       优级纯
                                            (GR)
外观Appearance                             无色透明液体
纯度Purity                                 >99.0%(GC)  
红外光谱测定Infrared spectrometry          和对照匹配
水分Water                                  
<0.2 % >比重Specific gravity (20/20°C)            0.952-0.958
折光率Refractive index n20/D               1.4310-1.4330
乙酸Acidity (CH3COOH)                      
<0.05 % >

项目                                      化学纯  
                                           (CP)
沸程Boiling range,℃                      228.0~232.0
比重Specific gravity (20/20°C)           0.952~0.960
折光率Refractive index n20/D              1.432~1.434        
水溶解试验Solubility(in water)            合格  
酸度Acidity(以H+计)/（mmol/100g）         ≤0.08  
乙醇溶解试验Solubility(in alcohol)        合格  
灼烧残渣Residue ignition                  ≤0.005%