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首页 > 供应产品 > 丙三醇
丙三醇
品牌: 丙三醇
型号: 56-81-5
规格: 99.5%
单价: 4800.00元/吨
最小起订量:
供货总量:
发货期限: 自买家付款之日起 2 天内发货
有效期至: 长期有效
最后更新: 2012-04-11 09:09
 
详细信息

 丙三醇           规格:99.5% 产地:马来       包装:250kg/桶 价格:4800元/吨 
丙三醇
Glycerol
Cas     【56-81-5】 MDL:     --MFCD00004722
Beilstein 635685    EINECS:        --200-289-5
分子式    C3H8O3HOCH2CH(OH)CH2OH
分子量    92.09
别名       1,2,3-丙三醇,丙三醇
Glycerol
Glycerin
分子结构式   
性状       澄清、粘稠液体无臭,溶于水、醇,不溶于醚、苯、三氯甲烷及二硫化碳,于空气中易吸收水分。有暖甜味。能从空气中吸收潮气,也能吸收硫化氢、氰化氢和二氧化硫。对石蕊呈中性。长期放在0℃的低温处,能形成熔点为17.8℃有光泽的斜方晶体。遇强氧化剂如三氧化铬、氯酸钾、锰酸钾能引起燃烧和爆炸。能与水、乙醇任意混溶,1份本品能溶于11份乙酸乙酯,约500份 醚,不溶于氯仿、四氯化碳、石油醚和油类。 有刺激性。
密度:1.25
熔点:17.8℃
沸点:182 °C/20 mmHg
闪点:176℃
折光率n20/D:1.4746
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      
      GB/T 687-94
项目Item                                               分析纯     化学纯
                                                       (AR)        (CP)
含量(C3H8O)Assay,%                                     ≥99.0      97.0
色度,黑曾单位Color                                    ≤10        30
酸度(以H+计)Acidity,m mol/100g                         ≤0.05      0.1
碱度(以OH-计)Alkalinity,m mol/100g                     ≤0.03      0.06
灼烧残渣(以硫酸盐计)Ignition residue,%                 ≤0.001     0.005
氯化物(Cl)Chloride,%                                   ≤0.0001    0.001
硫酸盐(SO4)Sulfate,%                                   ≤0.0005    0.001
(NH4)Ammonium,%                                      ≤0.0005    0.001
砷(As)Ansenic,%                                        ≤0.00005   0.0002
重金属(以Pb计)Heavy metals,%                           ≤0.0001    0.0005
脂肪酸酯(以 油三丁酯计)Aliphatic ester                ≤0.05      0.1
蔗糖和葡萄糖Cane sugar and glucose                       合格      合格
还原银物质Substances reducing silver                     合格      合格
硫酸试验Substances darkened by sulfuric acid             合格      合格
项目名称Item                                           ACS Grade
                                                    (ACS, ≥99.5%)
含量(以体积计CH2OHCHOHCH2OH)Assay                      ≥99.5%
色度,黑曾单位Color(APHA)                              ≤10
灼烧残渣Residue after ignition                         ≤0.005%
酸碱度试验Neutrality                                   Passes test
氯化合物(Cl)Chloride禁发网址pounds(as Cl)                  ≤0.003%
硫酸盐(SO4)Sulfate                                     ≤0.001%
丙烯醛和葡萄糖Acrolein and glucose                     Passes test
脂肪酸酯(以丁酸计)Fatty acid esters(as butyric acid)   ≤0.05%
易炭化物质Substances Darkened by sulfuric acid         Passes test
重金属(以Pb计)Heavy metals(as Pb)                      ≤2ppm
水分(H2O)Water                                         ≤0.5%
项目                                    分子生物学级
                                (for molecular biology, ≥99%)
外观Appearance                          Clear Colorless Liquid
纯度Purity(GC)                          ≥99.0%
重金属Heavy Metal(as Lead)              ≤5 ppm
水溶性Solubility                        Clear, colorless solution, 1 mL/mL in H2O.
DNA酶DNAse, Exonuclease Detection       none detected
RND酶RNases,                            none detected 
磷酸酶phosphatases,                     none detected
蛋白酶proteases by FITC-Casein          none detected
核酸内切酶NICKase,Endonuclease DetectionNone Detected
铁Iron by ICP                           ≤5 ppm
镁Magnesium by ICP                      ≤5 ppm
品级Grade                               电泳级 
                                   (for electrophoresis, ≥99%)
外观Appearance                          Clear Colorless Liquid
纯度Purity(GC)                          ≥99.0%  
重金属Heavy Metals (as Lead)            ≤5 ppm
硫酸根Sulfate (SO4)                     ≤0.005 %
含氯化合物Chlorinated禁发网址pounds         ≤0.005 %
电泳测试TEST FOR ELECTROPHORESIS         pass
品级Grade                               细胞培养级  
                               (for cell culture, for insect cell culture, ≥99%(GC))
外观Appearance                          Colorless Viscous Liquid
纯度Purity(GC)                           ≥99.0%  
水溶性Solubility                         Clear Colorless 1ML/ML IN H2O
重金属Heavy Metals(as Pb)                ≤5 ppm
细胞培养测试Cell culture test             pass
昆虫细胞培养测试Insect cell culture test pass
品级Grade                                光谱纯  
                                  (for spectroscopy, ≥99.5%)
外观Appearance                           Colorless Liquid
Infrared spectrum                        Conforms to Structure
纯度Purity(GC)                           ≥99.5% 
λ                                   H2O reference
UV Absorbance 400nm                      ≤0.01
UV Absorbance 340nm                      ≤0.01
UV Absorbance 320nm                      ≤0.02
UV Absorbance 280nm                      ≤0.05
UV Absorbance 225nm                      ≤0.10
UV Absorbance 210nm                      ≤0.30
UV Absorbance 205nm                      ≤1.0
水分Water (by Karl Fischer)              ≤0.10 %
品级Grade                                色谱纯  
                                  (for HPLC, ≥99.5%)
外观Appearance                           Colorless Liquid
Infrared spectrum                        Conforms to Structure
纯度Purity(GC)                           ≥99.5% 
λ                                   H2O reference
UV Absorbance 400nm                      ≤0.01
UV Absorbance 340nm                      ≤0.01
UV Absorbance 320nm                      ≤0.02
UV Absorbance 280nm                      ≤0.05
UV Absorbance 225nm                      ≤0.10
UV Absorbance 210nm                      ≤0.30
UV Absorbance 205nm                      ≤1.0
水分Water (by Karl Fischer)              ≤0.10 %
灼烧残渣Residue after ignition           ≤0.005%
项目                                                   优级纯  
                                                        (GR)
纯度Purity                                             ≥99.5%
折光率Refractive index n20/D                           ≥1.4731
水分water                                              ≤0.3%
酸碱度Fatty acids &esters (ml0.1N NaOH/25g)            ≤0.2
色泽colour Shade                                       ≤5 APHA
相对密度Specific gravity (20/20°C)                    ≥1.2623
esters (ml 0.1 N HCI/25g)                            ≥8.0
糖Sugars2                                              Negative
卤化物Halogenated cpd(as CI)2                         ≤5 ppm
重金属Heavy metals(as Pb)                              ≤1ppm
灰分Sulphates ppm                                      ≤0.01%
品级Grade                        USP
Identification                 PASSES TEST
Specific gravity               ≤1.249 ,25°C
Color Test                     PASSES TEST
Residue on ignition            ≤ 0.01%
Chloride                       ≤0.001%
Sulfate                        ≤ 0.002%
Heavy Metals                   ≤ 5 PPM
Chlorine禁发网址pounds (AS CL)     ≤ 0.003%
Origanic Volatile              PASSES TEST
Fatty Acid Esters              ≤ 1 ML
H2O                            ≤ 5.0% (KARL FISCHER TITRATION")
Total impurities               ≤ 1.0%
Diethylene glycol              ≤ 0.1%
Individual impurities          ≤ 0.1% 
 (EXCLUDING DIETHYLENE GLYCOL GLYCOL & RELATED CMPDS INCLUDING DIETHYLENE GLYCOL)
Purity                         99.0% - 101.0% C3H8O3 (ANHYDROUS BASIS)
≥99%, FCC:
外观Appearance                          Colorless Viscous Liquid
红外光谱鉴别Infrared spectrometry       Conforms to Structure
纯度Purity(GC)                          ≥99.0%
相对密度Specific gravity (20/20°C)     1.2490 - 1.2510
色度Color Test                          Pass
灼烧残渣Residue on ignition (Ash)       ≤0.01 %
热硫酸碳化物质Subs Carbonizable by Hot H2SO4     Pass
杂项检测Miscellaneous Assay             Pass
含氯化合物Chlorine禁发网址pounds            ≤0.003 % 
Arsenic (As)                          ≤3 ppm
Cadmium (Cd)                          ≤1 ppm
汞Mercury (Hg)                          ≤1 ppm
铅Lead (Pb)                             ≤10 ppm
贮存       Hygroscopic
用途       气相色谱固定液(最高使用温度75℃,溶剂为甲醇),分离分析低沸点含氧化物、胺类化合物、氮或氧杂环化合物,能完全分离3-甲基吡啶(沸点144.14℃)和4-甲基吡啶(沸点145.36℃)。适用于水溶液的分析。溶剂。
电泳级甘油用于样品制备和聚丙烯酰胺凝胶电泳凝胶的形成,油(5-10%)增加了样品的密度,以至于使样品沉在在凝胶样品孔的底层。油也可以用来制备梯度凝胶,并可作为蛋白稳定剂和缓冲液组分。
联合国编号   
Risk:   
Safety :  S24/25 -
Hazard :               
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