上海市西桥化工有限公司

丙三醇规格:99.0%    产地:马来西亚     包装:250kg/桶 价格:4800元/吨  

丙三醇

Glycerol

Cas号: 56-81-5   

Beilstein 635685   

分子式    C3H8O3； HOCH2CH(OH)CH2OH

分子量    92.09

别名       1,2,3-丙三醇，丙三醇

Glycerol

Glycerin

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 。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。 

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

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

铵(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 compounds(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 Compounds         ≤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  

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

酯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级

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 Compounds (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 Compounds            ≤0.003 % 

砷Arsenic (As)                          ≤3 ppm

镉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 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 :