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产品名称:
乙酸镁
分子结构式:
MDL:
--MFCD00149214
分子式:
C4H6MgO4•4H2O
分子量:
214.45
别名:
醋酸镁,乙酸镁四水合物 Cromosan Acetic acid magnesium salt
产品订购:
品名 规格 包装 单价 货期
乙酸镁 99%,用于分子生物学 250g 357.5元 咨询客服
乙酸镁 99%,用于分子生物学 500g 140.8元 咨询客服
乙酸镁 HPLC 500g 107.8元 咨询客服
乙酸镁 AR 500g 107.8元 咨询客服
性状:
白色结晶,易潮解,易溶于水或醇,其水溶液呈中性或微酸性。剧毒。
熔点:80℃
密度:1.454
质量标准:
 
   Q/(HG)SJ 730-1977
项目Item                                    分析纯       化学纯
                           (AR)             (CP)
含量(C4H6MgO4•4H2O)Assay,%                  ≥99.0            97.0
澄清度试验Clarity                            合格       合格
水不溶物Insoluble matter,%                  ≤0.005           0.01
氯化物(Cl)Chloride,%                        ≤0.005           0.003
硫酸盐(SO4)Sulfate,%                        ≤0.005           0.01
磷酸盐(PO4)Phosphate,%                      ≤0.001           0.002
钙(Ca)Calcium,%                             ≤0.01            0.04
锰(Mn)Manganese,%                           ≤0.001           0.005
铁(Fe)Iron,%                                ≤0.0002          0.001
钡(Ba)Barium,%                              ≤0.003           0.05
重金属(以Pb计)Heavy metals,%                ≤0.0005          0.002

ACS级
项目名称Item                                ACS Grade
含量
[(CH3COO)2Mg·4H2O]Assay                    98.0-102.0%
水不溶物Insoluble matter                    ≤0.005%
硫酸盐(SO4)Sulfate                          ≤0.005%
钡(Ba)Barium(Ba)                            ≤0.001%
氯化物(Cl)Chloride(Cl)                      ≤0.001%
铁(Fe)Iron(Fe)                              ≤5ppm
钙(Ca)Calcium(Ca)                           ≤0.01%
锰(Mn)Manganese(Mn)                         ≤0.001%
钾(K)Potassium(K)                           ≤0.005%


品级Grade                               分子生物学  
                                       (for molecular biology)
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.0% (GC)  
熔点Melting point                       72-75 °C
氯chloride (Cl-):                       ≤0.001%
硫酸根sulfate (SO42-):                  ≤0.005%
Ba:                                     ≤0.001%
Fe:                                     ≤5 ppm
K:                                      ≤0.005%
Na:                                     ≤0.005%
重金属heavy metals (as Pb):             ≤5 ppm
DNase, RNase and protease,              none detected

贮存:
密封保存。
用途  用于制备乙酸铀酰镁,分析试剂。
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