丙三醇規(guī)格:99.0%    產(chǎn)地:馬來(lái)西亞     包裝:250kg/桶 價(jià)格:4800元/噸  

丙三醇

Glycerol

Cas號(hào): 56-81-5   

Beilstein 635685   

分子式    C3H8O3； HOCH2CH(OH)CH2OH

分子量    92.09

別名       1,2,3-丙三醇，丙三醇

Glycerol

Glycerin

性狀       澄清、粘稠液體無(wú)臭，溶于水、醇，不溶于醚、苯、三氯甲烷及二硫化碳，于空氣中易吸收水分。有暖甜味。能從空氣中吸收潮氣，也能吸收硫化氫、氰化氫和二氧化硫。對(duì)石蕊呈中性。長(zhǎng)期放在0℃的低溫處，能形成熔點(diǎn)為17.8℃有光澤的斜方晶體。遇強(qiáng)氧化劑如三氧化鉻、氯酸鉀、錳酸鉀能引起燃燒 。能與水、乙醇任意混溶，1份本品能溶于11份乙酸乙酯，約500份 醚，不溶于氯仿、四氯化碳、石油醚和油類。 

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

備注:      以上描述，僅作參考，并不表示您收到的產(chǎn)品，與此項(xiàng)描述完全相符，產(chǎn)品的出廠標(biāo)準(zhǔn)，請(qǐng)參見(jiàn)質(zhì)量標(biāo)準(zhǔn)。

質(zhì)量標(biāo)準(zhǔn)      

      GB/T 687-94

項(xiàng)目Item                                               分析純     化學(xué)純

含量(C3H8O)Assay,%                                     ≥99.0      97.0

色度，黑曾單位Color                                    ≤10        30

酸度(以H+計(jì))Acidity,m mol/100g                         ≤0.05      0.1

堿度(以O(shè)H-計(jì))Alkalinity,m mol/100g                     ≤0.03      0.06

灼燒殘?jiān)?以硫酸鹽計(jì))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(jì))Heavy metals,%                           ≤0.0001    0.0005

脂肪酸酯(以 油三丁酯計(jì))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(yàn)Substances darkened by sulfuric acid             合格      合格

項(xiàng)目名稱Item                                           ACS Grade

                                                    （ACS, ≥99.5%）

含量(以體積計(jì)CH2OHCHOHCH2OH)Assay                      ≥99.5%

色度，黑曾單位Color(APHA)                              ≤10

灼燒殘?jiān)黂esidue after ignition                         ≤0.005%

酸堿度試驗(yàn)Neutrality                                   Passes test

氯化合物(Cl)Chloride compounds(as Cl)                  ≤0.003%

硫酸鹽(SO4)Sulfate                                     ≤0.001%

丙烯醛和葡萄糖Acrolein and glucose                     Passes test

脂肪酸酯(以丁酸計(jì))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(jì))Heavy metals(as Pb)                      ≤2ppm

水分(H2O)Water                                         ≤0.5%

項(xiàng)目                                    分子生物學(xué)級(jí)

                                （for molecular biology, ≥99%)

外觀Appearance                          Clear Colorless Liquid

純度Purity(GC)                          ≥99.0%

重金屬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

核酸內(nèi)切酶NICKase,Endonuclease DetectionNone Detected

鐵Iron by ICP                           ≤5 ppm

鎂Magnesium by ICP                      ≤5 ppm

品級(jí)Grade                               電泳級(jí) 

                                   (for electrophoresis, ≥99%)

外觀Appearance                          Clear Colorless Liquid

純度Purity(GC)                          ≥99.0%  

重金屬Heavy Metals (as Lead)            ≤5 ppm

硫酸根Sulfate (SO4)                     ≤0.005 %

含氯化合物Chlorinated Compounds         ≤0.005 %

電泳測(cè)試TEST FOR ELECTROPHORESIS         pass

品級(jí)Grade                               細(xì)胞培養(yǎng)級(jí)  

                               (for cell culture, for insect cell culture, ≥99%(GC))

外觀Appearance                           Colorless Viscous Liquid

純度Purity(GC)                           ≥99.0%  

水溶性Solubility                         Clear Colorless 1ML/ML IN H2O

重金屬Heavy Metals(as Pb)                ≤5 ppm

細(xì)胞培養(yǎng)測(cè)試Cell culture test             pass

昆蟲(chóng)細(xì)胞培養(yǎng)測(cè)試Insect cell culture test pass

品級(jí)Grade                                光譜純  

                                  (for spectroscopy, ≥99.5%)

外觀Appearance                           Colorless Liquid

Infrared spectrum                        Conforms to Structure

純度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 %

品級(jí)Grade                                色譜純  

                                  (for HPLC, ≥99.5%)

外觀Appearance                           Colorless Liquid

Infrared spectrum                        Conforms to Structure

純度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 %

灼燒殘?jiān)黂esidue after ignition           ≤0.005%

項(xiàng)目                                                   優(yōu)級(jí)純  

純度Purity                                             ≥99.5%

折光率Refractive index n20/D                           ≥1.4731

水分water                                              ≤0.3%

酸堿度Fatty acids &esters (ml0.1N NaOH/25g)            ≤0.2

色澤colour Shade                                       ≤5 APHA

相對(duì)密度Specific gravity (20/20°C)                    ≥1.2623

酯esters (ml 0.1 N HCI/25g)                            ≥8.0

糖Sugars2                                              Negative

鹵化物Halogenated cpd(as CI)2 　                       ≤5 ppm

重金屬Heavy metals(as Pb)                              ≤1ppm

灰分Sulphates ppm                                      ≤0.01%

品級(jí)Grade                        USP級(jí)

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:

外觀Appearance                          Colorless Viscous Liquid

紅外光譜鑒別Infrared spectrometry       Conforms to Structure

純度Purity(GC)                          ≥99.0%

相對(duì)密度Specific gravity (20/20°C)     1.2490 - 1.2510

色度Color Test                          Pass

灼燒殘?jiān)黂esidue on ignition (Ash)       ≤0.01 %

熱硫酸碳化物質(zhì)Subs Carbonizable by Hot H2SO4     Pass

雜項(xiàng)檢測(cè)Miscellaneous Assay             Pass

含氯化合物Chlorine Compounds            ≤0.003 % 

砷Arsenic (As)                          ≤3 ppm

鎘Cadmium (Cd)                          ≤1 ppm

汞Mercury (Hg)                          ≤1 ppm

鉛Lead (Pb)                             ≤10 ppm

貯存       Hygroscopic

用途       氣相色譜固定液(最高使用溫度75℃，溶劑為甲醇)，分離分析低沸點(diǎn)含氧化物、胺類化合物、氮或氧雜環(huán)化合物，能完全分離3-甲基吡啶(沸點(diǎn)144.14℃)和4-甲基吡啶(沸點(diǎn)145.36℃)。適用于水溶液的分析。溶劑。

電泳級(jí) 油用于樣品制備和聚丙烯酰胺凝膠電泳凝膠的形成,油（5-10％）增加了樣品的密度，以至于使樣品沉在在凝膠樣品孔的底層。油也可以用來(lái)制備梯度凝膠,并可作為蛋白穩(wěn)定劑和緩沖液組分。

聯(lián)合國(guó)編號(hào)   

Risk：   

Safety :  S24/25 -

Hazard :