The invention relates to dicalcium phosphate anhydride powder, at least 50
wt. % thereof having a particle size of between 45 and 150 .mu.m, a
maximum of 50 wt. % having a particle size of <45 .mu.m, and a maximum
of 5 wt. % having a particle size of >150 .mu.m. Said powder also
exhibits a bulk density of 1000 to 5000 g/l and a specific surface area
of <5 m.sup.2/g, and is used to directly tablet or encapsulate
pharmaceutical preparations.