Boehmite CAS No.: 1318-23-6, sidoo kale loo yaqaan boehmite, qaacidadeeda kelli waa γ- Al2O3 · H2O ama γ- AlOOH, crystal waxay ka tirsan tahay orthogonal (orthorhombic) nidaamka crystal waxaana lagu qurxiyey α wajiga hydroxide macdanta, kaas oo waxa uu inta badan ka kooban yahay γ- AlOOH , kaas oo lumin kara biyaha kareemka ah oo u rogi kara Al2O3 heerkulka sare.