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
(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
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
(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
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 :