Sodium Aluminum Sulphate (SAS)
CAS Number :10102-71-3,
Molecular Formula: AlNa(SO4)2.12H2O
Colorless crystals with an astringent taste and a melting point of 61 C;
soluble in wate
used as a mordant and for waterproofing textiles, as a food additive, and for matches, tanning, ceramics, engraving, and water purification.