密度：1.25
熔點(diǎn)：17.8℃
沸點(diǎn)：182 °C/20 mmHg
閃點(diǎn)：176℃
折光率n20/D：1.4746
   

質(zhì)量標(biāo)準(zhǔn)：    GB/T 687-94
項目Item                                               分析純     化學(xué)純
                                                                 (AR)        (CP)
含量(C3H8O)Assay,%                                     ≥99.0      97.0
色度，黑曾單位Color                                    ≤10        30
酸度(以H+計)Acidity,m mol/100g                         ≤0.05      0.1
堿度(以O(shè)H-計)Alkalinity,m mol/100g                     ≤0.03      0.06
灼燒殘渣(以硫酸鹽計)Ignition residue,%                 ≤0.001     0.005
氯化物(Cl)Chloride,%                                   ≤0.0001    0.001
硫酸鹽(SO4)Sulfate,%                                   ≤0.0005    0.001
銨(NH4)Ammonium,%                                      ≤0.0005    0.001
砷(As)Ansenic,%                                        ≤0.00005   0.0002
重金屬(以Pb計)Heavy metals,%                           ≤0.0001    0.0005
脂肪酸酯(以甘油三丁酯計)Aliphatic ester                ≤0.05      0.1
蔗糖和葡萄糖Cane sugar and glucose                       合格      合格
還原銀物質(zhì)Substances reducing silver                     合格      合格
硫酸試驗Substances darkened by sulfuric acid             合格      合格

ACS級
項目名稱Item                                           ACS Grade
含量(以體積計CH2OHCHOHCH2OH)Assay                      ≥99.5%
色度，黑曾單位Color(APHA)                              ≤10
灼燒殘渣Residue after ignition                         ≤0.005%
酸堿度試驗Neutrality                                   Passes test
氯化合物(Cl)Chloride compounds(as Cl)                  ≤0.003%
硫酸鹽(SO4)Sulfate                                     ≤0.001%
*和葡萄糖Acrolein and glucose                     Passes test
脂肪酸酯(以丁酸計)Fatty acid esters(as butyric acid)   ≤0.05%
易炭化物質(zhì)Substances Darkened by sulfuric acid         Passes test
重金屬(以Pb計)Heavy metals(as Pb)                      ≤2ppm
水分(H2O)Water                                         ≤0.5%

項目                                                   分子生物學(xué)級
                                                （Molecular  biology grade)
砷Arsenic(%)                                            ≤0.0003
灰分Ash(%)                                              ≤0.01
DNA酶DNase                                              無
重金屬Heavy Metals (as Pb)(%)                           ≤0.0005
純度Purity （無水級）                                   ≥99.0%
Purity (Anhydrous)(%)                                   ＞99.0
RNA酶RNase                                              無
比重Specific Gravity                                    1.249-1.262
滅菌Sterility                                           合格

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