CAS Registry Number

CAS 7784-26-1 — Aluminium ammonium sulfate dodecahydrate

Aluminium ammonium sulfate dodecahydrate is a white crystalline inorganic salt commonly used in water treatment for coagulation, paper sizing, and as a mordant in dyeing. It is also employed in fireproofing and as a food additive (E523) to clarify beverages. CAS 7784-26-1, molecular formula H₄AlNO₈S₂·12H₂O, molecular weight 453.33 g/mol. Stored at ambient conditions, with a signal word of *Warning* for handling. Molekula supplies aluminium ammonium sulfate dodecahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.