无色透明液体，具有令人愉快的气味，能与水；乙醇；乙醚；甘油；丙酮；N,N-二甲基甲酰胺混溶。易吸水，有毒，性质稳定。
沸点:125℃
熔点:-85.1℃
密度:0.9647
折射率:1.4024
闪点:46.1℃

项目Item                                  化学纯
                                           (CP)
相对密度Specific gravity (20/20°C))    0.964-0.967
折光率Refractive index n20/D            1.401-1.403
沸程范围Boiling range,℃                  123-125
                                            (95%)
不挥发物Novolative,%                     ≤  0.005
与水混和度Miscibility with water             合格
醇溶解试验Solubility(in alcohol)             合格
酸度(以HCOOH计)Acidity,%                 ≤  0.01


项目                                      分析纯  
                                           (AR)
沸程Boiling range,℃                      123.0~125.0  
相对密度Specific gravity (20/20°C)       0.963～0.966  
水溶解试验Solubility(in water)            合格  
酸度Acidity(以H+计)/（mmol/100g）         ≤0.1  
乙醇溶解试验Solubility(in alcohol)        合格  
折光率Refractive index n20/D              1.401～1.403  
灼烧残渣Residue ignition                  ≤0.005%  


项目                                      优级纯  
                                          (GR)
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                              ≥99.5% (GC)
比重Specific gravity (20/20°C)         0.9646±0.005  
水份Water                               ≤0.1%(K·F)
色度Color scale                         ≤15(Pt-Co)

        

项目名称                                ACS级
　                                     ACS Grade
含量(CH₃OCH₂CH₂OH).Assay                 ≥99.3%
色度Color(APHA)                            10
可滴定酸Titrable acid                    ≤0.002meq/g
水分(H₂O)Water                           ≤0.1%


品级Grade                               色谱纯  
                                      (for HPLC, ≥99.7%)
外观Appearance                         无色液体
纯度Purity (GC)                       ≥99.70 %
水分Water                             ≤0.05 %(by Karl Fischer)  
蒸发残渣Residue on Evaporation        ≤0.0005 %              
水分water                            
<0.050% >蒸发残渣evapn. residue                
<0.0005% >λ H2O reference
UV absorption
  λ: 213 nm A:                        ≤1.00
  λ: 240 nm A:                        ≤0.20
  λ: 260 nm A:                        ≤0.05
  λ: 300 nm A:                        ≤0.01
  λ: 400 nm A:                        ≤0.01  


品级Grade                               光谱纯  
                                 (spectrophotometric grade, ≥99.7%)
外观Appearance                         无色液体
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity (GC)                        ≥99.70 %
蒸发残渣Residue on evaporation         ≤0.0010%
水分water                              <0.020%  
λ H2O reference
UV absorption
  λ: 213 nm A:                         ≤1.00
  λ: 240 nm A:                         ≤0.20
  λ: 260 nm A:                         ≤0.05
  λ: 300 nm A:                         ≤0.01
  λ: 400 nm A:                         ≤0.01  


品级Grade                               氨基酸分析  
                            (for amino acid analysis, ≥99.7% (GC))
含量assay                              ≥99.7% (GC)
过氧化物peroxides (as H2O2)            ≤0.002%
游离酸free acid (as CH3COOH)           ≤0.005%
水分water                              ≤0.1%
蒸发残渣Residue on evaporation         ≤0.003%
氨基酸分析amino acid analysis           PASS
(as solvent for ninhydrin dyeing reagent)