性状  无色液体，具有醚样气味 。酸性溶液中不稳定。易溶于乙醇和乙醚，溶于(4.8g/100g)。水溶于叔丁基甲基醚：1.5g/100g。半数致死量(小鼠，15分钟)1.6mmol/L。易燃。对眼睛、呼吸系统和皮肤有刺激性。
密度:0.7404
熔点:-109℃
沸点:55.2℃
折光率:1.3689
闪点:-28℃
   
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  
   项目                                    优级纯 
                                         (GR)
外观Appearance                          透明液体
纯度Purity                              >99 %(GC) 
折光率Refractive index n20/D            1.3670-1.3690
相对密度Specific gravity (20/20°C)     0.7410-0.7440 
水分Water                               <0.01 %
乙酸Acidity                             <0.005 %

项目                                     化学纯 
                                          (CP)
外观Appearance                          透明液体
总醚含量Assay                           ≥99%
MTBE纯度Purity                          ≥95 %(GC) 

项目                                    色谱纯   
                                        (HPLC)
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                              ≥99.9% (GC)
酸度Acidity                             <0.0005 mg/g
碱度Alkalinity                          <0.0002 mg/g
蒸发残渣Residue after evaporation       <0.0003 %
水分Water                               <0.05 %
紫外吸收UV
280 nm A:                              <0.009 (1 cm cell vs HPLC水)
255 nm A:                              <0.097 (1 cm cell vs HPLC水)
240 nm A:                              <0.301 (1 cm cell vs HPLC水)

项目                                     农残级   
                                    (for residue analysis )
外观Appearance                          透明液体
纯度Purity                              >99.8% (GC)
紫外吸收UV Absorbance:  UV cutoff at 210nm.
波长Wavelength (nm) Max. Absorbance
  225                                   0.500
  250                                   0.100
  300                                   0.005
  400                                   0.005
电子捕获Electron Capture GC             <10 ng/L (as Heptachlor Epoxide)
过氧化物Peroxide (as H2O2)              <1 ppm
蒸发残渣Residue                         <1 mg/L(0.0001%) 
水分Water                               <0.02%
（注：农残级适合HPLC、GC、农残分析、光谱分析、有机合成等多用途高纯溶剂，充氮密封）

品级Grade                               ACS光谱级 
                              (ACS spectrophotometric grade)
纯度Purity                              ≥99.8% (GC) 
水分water                               ≤0.05% 
H2O2                                    <1 ppm 
蒸发残渣evapn. residue                  <0.0005%
λ H2O reference
UV absorption
  λ: 210 nm                             ≤ 1.0
  λ: 225 nm                             ≤ 0.50
  λ: 250 nm                             ≤ 0.10
  λ: 300 nm                             ≤ 0.01
  λ: 350 nm                             ≤ 0.01
  λ: 400 nm                             ≤ 0.01
贮存  密封阴凉保存。
用途  溶剂。色谱中尤其是高压液相色谱中用作脱剂。有机合成。无铅汽油中辛烷传爆剂。
联合国编号  2398
Risk：  R11- R138-
Safety :  S9- S16- S24-