Cyanamide synthesis
- Product Name:Cyanamide
- CAS Number:420-04-2
- Molecular formula:CH2N2
- Molecular Weight:42.04
1 Example 1
Example 1 A reactor was charged with 75 g of methyl tert-butylether, after which ga搜索引擎优化us cyanogen chloride and ga搜索引擎优化us ammonia were fed to the solution, keeping the temperature below [40°C] by cooling. After 2 h the precipitate (ammonium chloride) was removed by filtration and a clear solution was obtained which was stripped with nitrogen and which contained 12% of pure cyanamide (determined by Raman spectroscopy). 55 g of the thus obtained organic solution (containing 6.6 g of cyanamide) were directly dosed within 3 h to 71 g of an aqueous solution containing 20.4 g of sodium sarcosinate, keeping the temperature at [50°C] and the pH at 9.8 by addition of formic acid. After continuing stirring for another 1 h at [50°C,] the white precipitate formed was filtered, washed with water, and dried. 16.5 g (70% yield) of creatine monohydrate were obtained with a purity > [99%] according to HPLC analysis.
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