MDL：
--MFCD00004722

Molecular Formula：
C3H8O3；HOCH2CH(OH)CH2OH

Molecular Weight：
92.09

Alias：
1,2,3-丙三醇，丙三醇 Glycerol Glycerin

Product order：

Name	Specifications	Packing	Price	Delivery
Glycerol	＞99.0%	100ml	RMB 82.5	現(xiàn)貨
Glycerol	＞99.0%	500ml	RMB 330	現(xiàn)貨
Glycerol	Natural, USP, EP, BP, JP 級(jí)	4L	RMB 902	Consulting service
Glycerol	分子生物學(xué)級(jí)，無(wú)菌	100g	RMB 423.5	Consulting service
Glycerol	EP, BP, JP, USP級(jí)	250Kg	RMB 9020	Consulting service
Glycerol	EP, BP, JP, USP級(jí)	500ML	RMB 85.8	Consulting service
Glycerol	分析標(biāo)準(zhǔn)品	1Mg	RMB 528	現(xiàn)貨
Glycerol	分子生物學(xué)級(jí)	1L	RMB 528	Consulting service
Glycerol	分子生物學(xué)級(jí)	250ML	RMB 181.5	Consulting service
Glycerol	色譜固定液	100ML	RMB 52.8	Consulting service
Glycerol	ACS	500ML	RMB 41.8	Consulting service
Glycerol	AR	25Kg	RMB 858	Consulting service
Glycerol	GCS	5ML	RMB 57.2	促銷

Character：
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、高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 份乙醚，不溶于氯仿、四氯化碳、石油醚和油類。半數(shù)致死量(大鼠，經(jīng)口)>20ml/kg。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

Quality Standard：
   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(以甘油三丁酯計(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

ACS級(jí)
項(xiàng)目名稱Item                                           ACS Grade
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)
                                                （Molecular  biology grade)
砷Arsenic(%)                                            ≤0.0003
灰分Ash(%)                                              ≤0.01
DNA酶DNase                                              無(wú)
重金屬Heavy Metals (as Pb)(%)                           ≤0.0005
純度Purity （無(wú)水級(jí)）                                   ≥99.0%
Purity (Anhydrous)(%)                                   ＞99.0
RNA酶RNase                                              無(wú)
比重Specific Gravity                                    1.249-1.262
滅菌Sterility                                           合格

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 Compounds (AS CL)     ≤ 0.003%
Origanic Volatile              PASSES TEST
Fatty Acid Esters              ≤ 1 ML
H2O                            ≤ 5.0%  (KARL FISCHER TITRATION")
Total impurities               ≤ 1.0%
Individual impurities          ≤ 0.1%  
  (EXCLUDING DIETHYLENE GLYCOL GLYCOL & RELATED CMPDS INCLUDING DIETHYLENE GLYCOL)
Purity                         99.0% - 101.0% C3H8O3 (ANHYDROUS BASIS)

Storage：
密封保存。
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。