Chinese name: ammonium aluminum sulfate
English name: Aluminum ammonium sulfate
CAS: 7784-25-0
EINECS number: 232-055-3
Molecular formula: AlH4NO8S2
MDL number: MFCD00051042
Molecular weight: 237.15
Appearance: colorless transparent cubic crystal or white granular powder. Odorless, astringent taste. Slightly soluble in water, solubility at 20℃ 15g/100ml water, easily soluble in hot water, aqueous solution is acidic. Soluble in dilute acid, glycerin, insoluble in alcohol.
Solubility: slightly soluble in water, solubility at 20℃ 15g/100ml water, easily soluble in hot water, aqueous solution is acidic. Soluble in dilute acid, glycerin, insoluble in alcohol.
Melting point: 93.5℃
Density: 1.64
Solubility: slightly soluble in H2O; insoluble in ethanol
Form: White powder
Color: White
Water solubility: slightly soluble H2O; insoluble EtOH [CRC10]
InChI: InChI=1S/Al H3N.2H2O4S/c;; 2 * 1-5 4 / h (2, 3); 1H3; 2 * (H2, 1, 2, 3, 4)/q + 3;;; /p-3
InChIKey: lcqXXBOscbrnt-uhffFAOYSA-K
SMILES: S (= O) (= O) (O) [-] O S ([O]) ([O]) (= O = O.N. [Al + 3]
LogP: -1.031 (est)
use
It is used as water purification coagulant, dyeing mordant, leather aluminum tanning agent, paper sizing agent, yellow glass coloring agent, pharmaceutical astringent and food leavening agent
China
