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Dimethylglyoxime

Cas:
95-45-4
Molecular Structure:
MDL:
--MFCD00002117
Molecular Formula:
C4H8N2O2; CH3C(=NOH)C(=NOH)CH3
Molecular Weight:
116.12
Alias:
丁二酮二肟,二乙二肟,丁二肟,双乙酮肟,二乙酰二肟,二甲基乙二肟,镍试剂 DMG Diacetyl Dioxime 2,3-Butanedione dioxime
Product order:
Name Specifications Packing Price Delivery
Dimethylglyoxime AR 500g RMB 638 Consulting service
Dimethylglyoxime AR 100g RMB 173.8 现货
Dimethylglyoxime ACS 25g RMB 107.8 现货
Dimethylglyoxime AR 25g RMB 52.8 Consulting service
Character:
白色三斜结晶或结晶性粉末。能溶于乙醇、乙醚、丙酮和吡啶,几乎不溶于水。最小致死量(大鼠,经口)250mg/kg。
熔点:238-240℃
Quality Standard:
 
   HG/T 3-961-76
项目Item                                            分析纯
                                                     (AR)
含量(C4H8N2O2)Assay,%                                ≥98.0%
熔点范围Melting range,℃                            236-241
乙醇溶解试验Solubility in ethanol                    合格
灼烧残渣(以硫酸盐计)Ignition residue,%               ≤0.1
干燥失重Loss on drying,%                             ≤0.3

ACS级
项目名称Item                                       ACS Grade
熔点Melting point                                   Approximately240℃
镍络和试验Suitability for nickel determination      Passes test
乙醇不溶物Insoluble in alcohol                      ≤0.05%
灼烧残渣Residue after ignition                      ≤0.05%
贮存  密封保存。
用途  镍的测定,从钴及其他金属中分离镍,从锡、金、铼、铱中分离钯等。氰化物、镍、钯的光度测定。

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