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.

 
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