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METHYL ALCOHOL
化合物别名: 货号: MA1920-801
分子式: CH3OH 分子量: 32.04
级别: ABSOLV CAS号: 67-56-1
应用信息: For use in Liquid Chromatography,Spectrophotometry and Organic Residue Analysis,Packaged under Nitrogen
物化性质
熔点: -98℃ 粘度20℃: 0.6
沸点: 64.7℃ Merck索引第13版: 13,5984
密度: 0.791 at 25℃ (g/ml) 闪点: 11℃
介电常数: 32.7 at 25℃ 有害物质识别系统(HMIS): 2*-3-0
洗脱值: 0.73 (Silica) 推荐储存代码: RED
折射率: 1.329 (n20°/D) 国际海事组织危险类代码: 3(6.1),UN1230,PG II
指标
DescriptionClear colorless


free of suspended matterPasses Test
Assay   (by GC-FID)
≥99.98%
Residue   after evaporation
≤1 ppm
Color

≤5 APHA
Acetaldehyde

≤0.001%
Acetone

≤0.001%
Formaldehyde

≤0.001%
Purification   concentration adaptability≤10 ng/L
760mm   Hg initial Boiling Point at atmospheric pressure≥64℃
760mm   Hg final Boiling Point at atmospheric pressure≤65℃
Fluorescence   at emission maximum for Impurities

254 nm
≤1 ppb
Fluorescence   at emission maximum for Impurities

(as Quinine sulfate)≤1 ppb
LC   gradient elution suitability at


230 nm
≤5 mAU

254 nm
≤5 mAU
GC-ECD   Responsive residue(single peak)

(as Heptachlorepoxide)≤5 ppt
GC-FID   Responsive residue(single peak)

(as 2-Octanol)
≤5 ppb
Identification   by IR Spectroscopy
Passes Test
pHat 25℃
N/A
Refractive Indexat 25℃
1.3260-1.330
Solubility   in water
Passes Test
Substances   darkened by Sulfuric acidPasses Test
Substances   reducing PermanganatePasses Test
Titrable acid

≤0.0003 meq/g
Titrable base

≤0.0002 meq/g
Water   (by KF coulometry)
≤0.02%
Optical   absorbance at


205 nm
≤1.00 AU 

210 nm
≤0.80 AU 

214 nm
≤0.40 AU 

220 nm
≤0.25 AU

225 nm
≤0.16 AU

230 nm
≤0.12 AU

235 nm
≤0.05 AU

250 nm
≤0.02 AU

254 nm
≤0.01 AU

280 nm
≤0.005 AU

300 nm
≤0.005 AU

400 nm
≤0.005 AU


订单信息
产品代码: MA1920-801 单位尺寸: 4L 包装规格: 4x4L AG
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