CAS
7784-26-1
Ammonium aluminium sulfate; Ammonia alum; Aluminium ammonium sulfate; Ammonium aluminium sulfate dodecahydrate, Tschermigite
Aluminium ammonium sulfate is a versatile double salt widely used in water purification, paper sizing, textile dyeing, and cosmetic formulations. Its ability to precipitate impurities and stabilize emulsions makes it valuable in both industrial and laboratory settings.
Typical applications include water and wastewater treatment, leather tanning, fireproofing textiles, and as a mordant in dyeing processes. It also finds use in food processing (E number E523) as an acidity regulator and in analytical chemistry for precipitation and crystallization tasks.
Product grades should be selected based on end-use requirements, solubility needs, and regulatory standards.
7784-26-1
NH₄Al(SO₄)₂·12H₂O
453.33 g/mol
Used in coagulation/flocculation processes.
Acts as a mordant to fix dyes on fabrics.
Astringent and antiseptic applications.
Used where permitted as a food additive.
Used for internal sizing and improving texture.
LR/AR/ACS/PHARMA
3102 21 00
Odourless
Solid crystals and/or crystalline powder
1.77 g/cm3
~960 kg/m3
Decomposes
Without limitations
GHS07
Pricing depends on grade, purity and packaging. Contact sales for a tailored quote.
Available from Phine Kemikals India and authorised distributors with CoA.
Typically aligned with 25kg or 50kg packs. Bulk on request.
Each batch tested for assay, insolubles, Fe(III) content, heavy metals. CoA included.
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