项目                                            优级纯  
                                                 (GR)
外观Appearance                                  透明液体
红外光谱鉴别Infrared spectrometry               符合
纯度Purity                                      ≥99.9% (GC)
色度Color scale                                 <10 APHA
水分Water                                       <0.05 % (Coulometric)
重金属Heavy metals (as Pb)                      <5 ppm
酸度Acidity                                     <0.02 %
蒸发残渣Residue after evaporation               <0.0005 %

ACS级
项目名称Item                                  ACS Grade
含量(CH3CHOHCH3)Assay                         99.5%
水溶解试验Clarity of aqueous solution         Passes test
羰基化合物Carbonly compounds                  ≤0.002% propionaldehyde,and 0.002% acetone
色度Color(APHA)                               10
蒸发残渣Residue after evaporation             ≤0.001%
水分(H2O)Water                                ≤0.2%
可滴定酸碱Titrable Acid or base               ≤0.0001meq/g

项目                                     农残级    
                                    (for residue analysis )
外观Appearance                          透明液体
色度Color scale                         <10 APHA
纯度Purity                              >99.9% (GC)
紫外光谱UV Absorbance:
吸收波长Wavelength (nm) Max. Absorbance
225                                      0.160
250                                      0.020
300                                      0.005
400                                      0.005
ECD Response (as Heptachlor Epoxide)     <2 µg/L
折光率Refractive Index at 20°C          1.3772 ±0.0006
蒸发残渣Residue                          <1 mg/L
水分Water                                <0.06%
（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）

项目                                     色谱级    
                                         (HPLC)
外观Appearance                          透明液体
色度Color scale                         <10 APHA
纯度Purity                              >99.9 % (GC)
酸Acidity                               <0.0001 meq/g
碱Alkalinity                            <0.0001 meq/g
蒸发残渣Residue after evaporation       <2 ppm
羰基化合物Carbonyl Compounds            <0.002% (as Acetone or Propionaldehyde)
折光率Refractive Index at 20°C         1.3772 ± 0.0010
水分Water                               <0.10%
紫外吸收UV  at 205 nm cut off
  220 nm A:                             <0.2
  230 nm A:                             <0.1
  240 nm A:                             <0.05
  250 nm A:                             <0.01
  260 nm A:                             <0.005
  270 nm A:                             <0.005
(1 cm cell vs HPLC grade water) 

USP, EP, BP, JP级
ASSAY (C3H8O) 99.0% -- 
SPECIFIC GRAVITY @ 25oC 0.783 - 0.787 
REFRACTIVE INDEX @ 20oC 1.376 - 1.378 
SPECIFIC GRAVITY @ 20oC 0.785 - 0.788 
ACIDITY TO PASS TEST 
ACIDITY OR ALKALINITY TO PASS TEST 
APPEARANCE TO PASS TEST 
CLARITY OF SOLUTION TO PASS TEST 
ABSORBANCE TO PASS TEST 
DISTILLING RANGE 81° - 83°C (Min 94% volume) 
NONVOLATILE RESIDUE -- 20 PPM 
BENZENE AND RELATED SUBSTANCES TO PASS TEST 
PEROXIDES TO PASS TEST 
WATER -- 0.5 %