| 摘要 |
PROBLEM TO BE SOLVED: To provide an industrially preferable method for preparing an alkyl nitrite which is capable of preparing the alkyl nitrite easily and at a low cosy with a high efficiency. SOLUTION: The method for preparing the alkyl nitrite is characterized by reacting nitric acid and an alkanol, in the presence of a platinum group metal catalyst, with carbon monoxide or hydrogen. Further, a method for preparing the alkyl nitrite is characterized by using an aqueous solution containing nitric acid wherein the concentration of nitric acid is not higher than 60% by weight and contains 5 to 70% by weight of an alkanol, in the presence of the solid catalyst in which the platinum group metal or its compound is supported on the carrier, and the reaction is conducted until the concentration of nitric acid reaches not higher than 1% by weight.
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