To provide a disintegrant capable of simultaneously satisfying contradictory requirements developing strength of formed product having high level in tablets of medicines, etc. and exhibiting excellent disintegrating property when taking tablets.

The disintegrant for tablets uses SO4 type hydrotalcites represented by formula (1) [wherein An- exhibits an anion having n-valence (n is an integer of ≥1) other than SO42-, e.g. Cl- or CO32-; x, y, z and m each exhibit the following ranges: 2<x≤10, 0.5<y<1.5, 0≤z<0.5 and 0≤m<20].