Molecule structure of Aluminium ammonium sulfate dodecahydrate (CAS NO.7784-26-1):

IUPAC Name: Aluminum azanium disulfate dodecahydrate 
Molecular Weight: 453.328558 g/mol
Molecular Formula: AlNH₄.(SO₄)₂.12(H₂O)
Density: 1.64 g/cm³
Melting Point: 93.5 °C(lit.)
Enthalpy of Vaporization: 62.94 kJ/mol
Boiling Point: 330 °C at 760 mmHg
Vapour Pressure: 3.35E-05 mmHg at 25 °C 
Water solubility: 0.1 M at 20 °C, clear, colorless
H-Bond Donor: 13
H-Bond Acceptor: 20
Exact Mass: 453.046147
MonoIsotopic Mass: 453.046147
Topological Polar Surface Area: 174
Heavy Atom Count: 24
Canonical SMILES: [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3]
InChI: InChI=1S/Al.H3N.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;1H3;2*(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;;/p-3
InChIKey: WZUKKIPWIPZMAS-UHFFFAOYSA-K
EINECS: 232-055-3
Product Categories: Industrial/Fine Chemicals; Inorganics

 Aluminium ammonium sulfate dodecahydrate (CAS NO.7784-26-1) is used in water purification, in vegetable glues, in porcelain cements, in deodorants and in tanning, dyeing and in fireproofing textiles.

 Aluminium ammonium sulfate dodecahydrate is made from aluminium hydroxide and sulfuric acid and ammonium sulfate.

Hazard Codes: Xi, C
Risk Statements: 36/37/38-34 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R34:Causes burns.
Safety Statements: 26-36-45-36/37/39-27 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S27:Take off immediately all contaminated clothing.
WGK Germany: 3
RTECS: WS5640010

 Aluminium ammonium sulfate dodecahydrate (CAS NO.7784-26-1) is also named as Alum, ammonium ; Aluminum ammonium bis(sulfate) dodecahydrate ; Aluminum ammonium disulfate dodecahydrate ; Aluminum ammonium sulfate (1:1:2) dodecahydrate ; Aluminum ammonium sulfate (Al(NH₄)(SO₄)₂) dodecahydrate ; Ammonia alum ; Ammonium alum ; Ammonium alum (NH₄Al(SO₄)₂.12H₂O) ; Ammonium aluminum disulfate dodecahydrate ; Ammonium aluminum sulfate hydrate ; Monoaluminum monoammonium disulfate dodecahydrate . Aluminium ammonium sulfate dodecahydrate (CAS NO.7784-26-1) is white crystals or powder. It is easily soluble in water, soluble in dilute acid, glycerin, insoluble in alcohol .