Метанол ВЭЖХ

HPLC MethanolCAS.No:67-56-1Molecular formula: CH3OHMolecular weight: 32.04.Density: 0.792(20/4C)Refractive Index: 1.3288TEST ITEMSSTANDARDRESULTSAppearanceClear, ColorlessClear, ColorlessAssay CH3OH ( by GC)%Min 99.999.99Water (by KF coulometry) %Max 0.050.023Evaporation ResidueMax 0.001Pass testTitrable Acid.mmol/gMax 0.00050.0003Titrable Base.mmol/gMax 0.00020.00008Solubility in H2OPass testPass testUV Absorbance,(1.00-cm cell vs.water) at 205 nmMax1.000.708 at 210 nmMax 0.600.411at 220 nmMax 0.300.197at 230 nmMax 0.150.086at 240 nmMax 0.050.033 at 260 nmMax 0.010.006Characteristics of Methanol 1.Methanol is the simplest alcohol, and is a light, volatile, colorless, flammable, liquid with a distinctive odor that is very similar to but slightly sweeter than ethanol (drinking alcohol). 2.At room temperature it is a polar liquid and is used as an antifreeze, solvent, fuel, and as a denaturant for ethanol. 3.It is also used for producing biodiesel via transesterification reaction.