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丙三醇

 
 
單價 4800.00 / 噸對比
詢價 暫無
發貨 天津付款后48小時內
品牌 丙三醇
型號 56-81-5
規格 99.5%
過期 長期有效
更新 2012-04-11 09:09
 

天津市辰光化工有限公司

企業會員第13年
資料未認證
保證金未繳納
  • 天津
  • 上次登錄 2012-04-16
  • 陳福春 (先生)   銷售
詳細說明

 丙三醇           規格:99.5% 產地:馬來       包裝:250kg/桶 價格:4800元/噸 
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
別名       1,2,3-丙三醇,丙三醇
Glycerol
Glycerin
分子結構式   
性狀       澄清、粘稠液體無臭,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。對石蕊呈中性。長期放在0℃的低溫處,能形成熔點為17.8℃有光澤的斜方晶體。遇強氧化劑如三氧化鉻、氯酸鉀、錳酸鉀能引起燃燒和爆炸。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。 有刺激性。
密度:1.25
熔點:17.8℃
沸點:182 °C/20 mmHg
閃點: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品,與此項描述完全相符,產品的出廠標準,請參見質量標準。
質量標準      
      GB/T 687-94
項目Item                                               分析純     化學純
                                                       (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OH-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
(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 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Substances reducing silver                     合格      合格
硫酸試驗Substances darkened by sulfuric acid             合格      合格
項目名稱Item                                           ACS Grade
                                                    (ACS, ≥99.5%)
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禁發網址pounds(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)Fatty acid esters(as butyric acid)   ≤0.05%
易炭化物質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                                    分子生物學級
                                (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
核酸內切酶NICKase,Endonuclease DetectionNone Detected
鐵Iron by ICP                           ≤5 ppm
鎂Magnesium by ICP                      ≤5 ppm
品級Grade                               電泳級 
                                   (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禁發網址pounds         ≤0.005 %
電泳測試TEST FOR ELECTROPHORESIS         pass
品級Grade                               細胞培養級  
                               (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
細胞培養測試Cell culture test             pass
昆蟲細胞培養測試Insect cell culture test pass
品級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 %
灼燒殘渣Residue after ignition           ≤0.005%
項目                                                   優級純  
                                                        (GR)
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
相對密度Specific gravity (20/20°C)                    ≥1.2623
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禁發網址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:
外觀Appearance                          Colorless Viscous Liquid
紅外光譜鑒別Infrared spectrometry       Conforms to Structure
純度Purity(GC)                          ≥99.0%
相對密度Specific gravity (20/20°C)     1.2490 - 1.2510
色度Color Test                          Pass
灼燒殘渣Residue on ignition (Ash)       ≤0.01 %
熱硫酸碳化物質Subs Carbonizable by Hot H2SO4     Pass
雜項檢測Miscellaneous Assay             Pass
含氯化合物Chlorine禁發網址pounds            ≤0.003 % 
Arsenic (As)                          ≤3 ppm
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),分離分析低沸點含氧化物、胺類化合物、氮或氧雜環化合物,能完全分離3-甲基吡啶(沸點144.14℃)和4-甲基吡啶(沸點145.36℃)。適用于水溶液的分析。溶劑。
電泳級甘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。油也可以用來制備梯度凝膠,并可作為蛋白穩定劑和緩沖液組分。
聯合國編號   
Risk:   
Safety :  S24/25 -
Hazard :               
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