商品名:异戊醇
别 名:3-甲基-1-丁醇,异丁原醇
Isoamyl alcohol
Isopentyl alcohol
iso-Amyl alcohol peroxide free
英文名:3-Methyl-1-butanol
产 地:湖南
Cas号:123-51-3
MDL:MFCD00002934
Beilstein:1718835
EINECS:204-633-5
分子结构:
分子式:C5H12O; (CH3)2CHCH2CH2OH
分子量:88.1500
备注:
性状:无色透明液体,有特臭,遇火燃烧,能与醇、醚、苯、氯仿、石油醚、冰乙酸及油类任意混溶,微溶于水(14℃时,2g/100ml)。低毒,半数致死量(大鼠,经口)1300mg/kg。密度:0.8094 熔点:-117.2℃ 沸点:130℃ 闪点:45℃ 折光率n20/D:1.406
质量标准:HG/T 2891-1997 项 目Item 分析纯 化学纯 (AR) (CP) 含量(C5H12O)Assay,% ≥98.5 98.0 沸点Boiling Piont,℃ 130±1 130±1 蒸发残渣Evaporation residue,% ≤0.002 0.004 酸度(以H+计)Acidity,mmol/100g ≤0.04 0.08 酸与酯[以CH3COO(CH2)4CH3计]Acids and esters,% ≤0.06 0.1 羰基化合物(以CO计)Carbonly compounds,% ≤0.1 0.2 易碳化合物Readily carbonizable substances 合格 合格铁(Fe)Iron,% ≤0.00003 0.00006 水份(H2O)Water,% ≤0.2 0.4 项目 ACS级 (ACS Grade) 含量(C5H11OH)Assay ≥98.5% 水分(H2O)Water ≤0.5% 可滴定酸Titrable acid ≤0.0065meq/g 蒸发残渣Residue after evaporation ≤0.003% 酸和酯(以乙酸戊酯计)Acids and esters(as amyl acetate) 0.2% 羰基化合物(以甲醛计)Carbonly compounds(as HCHO) ≤0.1 项目 优级纯 (GR) 外观Appearance 透明液体纯度Purity ≥99.0% (GC) 水分Water 蒸发残渣Residue after evaporation 品级Grade 分子生物学级 (grade for molecular biology ) 含量assay ≥99.0% (GC) DNases,RNases, none detected 不溶物insoluble matter, passes filter test 磷酸酶phosphatases, none detected 蛋白酶proteases, none detected 游离酸free acid (as CH3COOH) ≤0.01% 蒸发残渣evapn. residue ≤0.003% 折光率refractive index n20/D 1.407 Al: ≤0.5 ppm Ba: ≤0.1 ppm Bi: ≤0.1 ppm Ca: ≤0.5 ppm Cd: ≤0.05 ppm Co: ≤0.02 ppm Cr: ≤0.02 ppm Cu: ≤0.02 ppm Fe: ≤0.1 ppm K: ≤0.5 ppm Li: ≤0.1 ppm Mg: ≤0.1 ppm Mn: ≤0.02 ppm Mo: ≤0.1 ppm Na: ≤0.5 ppm Ni: ≤0.02 ppm Pb: ≤0.1 ppm Sr: ≤0.1 ppm Zn: ≤0.1 ppm λ neat 紫外吸光值UV absorption λ: 260 nm ≤0.06 λ: 280 nm ≤0.06
存储:密封阴凉处保存。
用途:脂肪、树脂、生物碱的溶剂, 测定牛乳中的脂肪, 测定铁、硅、钍及杂醇油等。也用于铁、钴、铜盐和二苯碳酰二肼的络合萃取。氯化锂与其他碱金属氯化物的分离。
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