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异戊醇
3-Methyl-1-butanol
  CAS号:123-51-3
  分子式:C5H12O; (CH3)2CHCH2CH2OH
  分子量:88.15
  EINECS:204-633-5
  别    名:3-甲基-1-丁醇,异丁原醇
  别名英文名:Isoamyl alcohol;Isopentyl alcohol;iso-Amyl alcohol peroxide free
  分子结构:

产品名称 规格级别 单位 包装 品牌
异戊醇 AR 500ml
异戊醇 GC 5ml
异戊醇 GR 500ml
异戊醇 HPLC 500ml

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                               <0.5 %
蒸发残渣Residue after evaporation       <0.002 %


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
贮存  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。
联合国编号  1105
Risk:  R10- R20/22-
Safety :  S16-

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