methanoic acid造句

• "' Formic acid "', systemically named methanoic acid, is the simplest carboxylic acid.
• Solid cyanamid is produced by careful evaporation of the solvent and subsequent addition of a hydrolysis labil ester of methanoic acid.
• It is also known as "'ethyl methanoate "'because formic acid is also known as methanoic acid.
• The ester absorbs traces of moisture ( suppression of urea formation ), neutralizes alkalinity ( ammonia ) and continually releases small amounts of methanoic acid.
• When refluxed for several hours under acidic conditions ( e . g . in the presence of concentrated methanoic acid ) alicyclic ketones react to lactams in high yields.