Professional 99%min. Nitroguanidine CAS 556-88-7 For The Production Of Pharmaceutical Chemicals
Model Number : HMHT0061-16
Other name: nitroguanidine
Flash point: 149.3℃
Refractive index: 1.685
Molar volume (cm3/mol): 51.8
CAS Number: 556-88-7
Nitroguanidine, molecular formula: CH4N4O2, molecular weight: 104, CAS number: 556-88-7; properties: white needle crystal, non-hygroscopic, non-volatile at room temperature. 1. Determine the number of atomic stereocenters: 03. Conditions to avoid contact Heat, friction, vibration and impact. The preparation method is that guanidine nitrate is dehydrated in the presence of concentrated sulfuric acid to form nitroguanidine. 280g of guanidine nitrate was slowly added to 250mL of pre-cooled concentrated sulfuric acid (relative density of 84) under stirring, and the reaction temperature was strictly controlled to be below 20°C during the addition process. Then pour it into a mixture of crushed ice and water, stir well and filter, wash with water until neutral, and then recrystallize to obtain nitroguanidine
Good stability, low sensitivity, almost insensitive to impact and friction.
Nitroguanidine is a raw material for organic synthesis, used as an intermediate of imidacloprid and acetamiprid in pesticides
Preparation of aminoguanidine, used in the synthesis of angina pectoris drug Lecoan
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