无色透明液体，微有乙醇样气味，易挥发，易流动，燃烧时无烟有蓝色火焰，能与水、醇、醚等有机溶剂互溶，能与多种化合物形成共沸混合物，能与多种化合物形成溶剂混溶，溶解性能优于乙醇，能溶解多种无机盐类，如碘化钠、氯化钙、硝酸铵、硫酸铜、硝酸银、氯化铵和氯化钠等。易燃，蒸气能与空气形成爆炸极限6.0%-36.5%（体积）。有毒，一般误饮15ml可致眼睛失明，一般致死量。
密度：0.7915熔点：-97.8℃沸点：64.7℃闪点：12℃折光率n20/D：1.3292质量标准项目Item 分析纯 化学纯 优级纯(AR) (CP) (GR)含量(CH3OH)Assay,% ≥99.599.599.5密度(20℃)Density,g/ml0.791-0.7930.791-0.795 0.791-0.793g水溶性试验Solubility in water合格合格 合格蒸发残渣Evaporation residue,%≤0.001 0.001水分(H2O)Water,% ≤0.1 0.30.05酸度(以H+计)Acidity,mmol/100g≤0.040.08 0.002碱度(以OH-计)Alkalinity,mmol/100g ≤0.080.0160.0001易碳化物质Readily carbonizablesubstance 合格 合格合格羰基化合物(以CO计)Carbonly compounds,% ≤0.005 0.01 0.005还原高锰酸钾物质Potassium 合格 合格合格perman-ganate reducing s-ubstances无水甲醇：品级Grade 分析纯（无水）(AR)含量(CH3OH)Assay,%≥ 99.5沸点Boiling point,℃64-65与水混合试验Miscibility with water 合格蒸发残渣Evaporation residue,% ≤ 0.05水份(H2O)Water,%≤ 0.04酸度(以H+计)Acidity,m mol/100g≤ 0.04碱度(以OH-计)Alkalinity,m mol/100g≤ 0.01醛与酮(以CH3COCH3计)Aldehdes and kelones,%≤ 0.003还原高锰酸钾物质Potassium permanganatereducing substances 合格易炭化物质Readily carbonizable substances合格项目色谱纯(HPLC)含量(CH3OH) ≥99.9%透光率210nm 30％220nm 50％230nm 80％260nm 99％荧光背景合格酸≤0.0005mEq/g碱≤0.0002mEq/g水分≤0.02%非挥发物≤5mg/l(已经亚微米过滤)农残级项目农残级(for residue analysis)外观Appearance无色液体纯度Purity≥99.9% (GC)色度Color scale <10 APHA水分Water <0.1 % (Coulometric)酸度Acidity (CH3COOH) <0.003 %蒸发残渣Residue after evaporation <0.0002 %GC/ECD (as lindane):≤5 ng/L （以杀虫剂林丹计）ACS级项目名称Item ACS Grade含量(CH3OH)Assay≥99.8%硫酸变黑物Substances darkened by sulfuric acidPasses test还原高锰酸盐物质Substances reducing permanganatePasses test水溶解试验Clarity of aqueous solution Passes test色度Color(APHA) 10水分Water(H2O)≤0.1%蒸发残渣Residue after evaporation ≤0.001%羰基化合物Carbonly compounds(each of actone formaldehyde and acetaldehyde) ≤0.001%可滴定酸Titrable acid ≤0.0003meq/g可滴定碱Titrable base ≤0.0002meq/g贮存 密封阴凉处保存。防止阳光直射。用途 分离硫酸钙和硫酸镁, 与异丁醇混合分离锶和钡的溴化物。检验和测定硼, 溶剂, 有机合成的甲基化剂, 防冻剂, 萃取剂, 清洗剂, 稀释剂, 脱水剂, 浸出剂。
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