METHOD FOR ALKYLATING ELEMENTAL PHOSPHOR

摘要

The invention relates to a method for producing alkali and/or alkaline-earth salts of alkylphosphonous acids and dialkylphosphinic acids from elemental yellow phosphor and alkyl halides, characterised in that the reaction takes place in the presence of aqueous alkali or alkaline-earth hydroxide or mixtures thereof. The invention also relates to the use of the compounds obtained according to the inventive method for producing flameproofing agents, extracting agents and plant protection agents.