Trihydroxymethyl hexane trinitrate and its making method
A technology of trimethylolhexane trinitrate and methylolhexane trinitrate, which is applied in the field of trimethylolhexane trinitrate and its preparation, and can solve the problems of undiscovered, poor insensitivity, etc. problems, to achieve the effect of expanding use, abundant raw materials, and low prices
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Embodiment 1
[0029] Add the nitrating agent of 98% nitric acid into the reaction kettle, and under the condition of good stirring, add the raw material trimethylol hexane into the reaction kettle in batches, the molar ratio of trimethylol hexane to nitric acid is 1:20. After the feeding is completed, the reaction is continued, and the temperature is controlled at 0° C. to 15° C. during the reaction, and the time is 0.5 to 3 hours. After the reaction, a large number of crystals appeared at the bottom of the reaction kettle. After filtering and washing with water until the washing liquid was neutral and dry, the product collected from the reaction mixture was white crystals. It was proved by infrared spectroscopy, nuclear magnetic resonance and elemental analysis The white crystal is the product trimethylolhexane trinitrate. The yield of the product trimethylolhexane trinitrate can reach 86.2%.
Embodiment 2
[0031] Add the nitrating agent and catalyst of 98% nitric acid into the reaction kettle in sequence, and under the condition of good stirring, add the raw material trimethylol hexane into the reaction kettle in batches, and the molar ratio of trimethylol hexane to nitric acid is 1 : 10, the catalyst is urea, and the amount added is 3% to 8% of trimethylolhexane in terms of mass percentage. After the feeding is completed, the reaction is continued, and the temperature is controlled at 5° C. to 25° C. during the reaction, and the time is 1 to 4 hours. After the reaction, a large number of crystals appeared at the bottom of the reaction kettle. After filtering and washing with water until the washing liquid was neutral and dry, the product collected from the reaction mixture was white crystals. It was proved by infrared spectroscopy, nuclear magnetic resonance and elemental analysis The white crystal is the product trimethylolhexane trinitrate. The yield of the product trimethyl...
Embodiment 3
[0033] Add the nitrating agent of anhydrous nitric acid into the reaction kettle, and under the condition of good stirring, add the raw material trimethylol hexane into the reaction kettle in batches, and the molar ratio of trimethylol hexane to nitric acid is 1:25. After the feeding is completed, the reaction is continued, and the temperature is controlled at 10° C. to 20° C. during the reaction, and the time is 2 to 5 hours. After the reaction, a large number of crystals appeared at the bottom of the reaction kettle. After filtering and washing with water until the washing liquid was neutral and dry, the product collected from the reaction mixture was white crystals. It was proved by infrared spectroscopy, nuclear magnetic resonance and elemental analysis The white crystal is the product trimethylolhexane trinitrate. The yield of the product trimethylolhexane trinitrate can reach 88.2%.
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