丙三醇 規(guī)格:99.5% 產(chǎn)地:馬來(lái) 包裝:250kg/桶 價(jià)格:4800元/噸
丙三醇
Glycerol
Glycerol
Cas號(hào) 【56-81-5】 MDL: --MFCD00004722
Beilstein 635685 EINECS: --200-289-5
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
分子結(jié)構(gòu)式
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(lèi)。 有刺激性。
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
(AR) (CP)
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(chēng)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禁發(fā)網(wǎng)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(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禁發(fā)網(wǎng)址pounds ≤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
(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(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禁發(fā)網(wǎng)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(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禁發(fā)網(wǎng)址pounds ≤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(lèi)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)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(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 :