[3-(dimethylamino)-1-hydroxy-1-phosphonopropyl]phosphonic acid

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Add with constant stirring 11,11 kg of (II) to 33.3 l sodium hydroxide (50,7 g/l). Filter if necessary, add 122 l of methanol and dry in an oven with forced air circulation until constant weight. 10.7 kg of (III) is obtained. Add Filter if necessary, add 122 l of methanol dry in an oven with forced air circulation until constant weight