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Ammonium aluminum sulfate dodecahydrate_Molecular_structure_CAS_7784-26-1)
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Ammonium aluminum sulfate dodecahydrate

Catalog No. 09693 Name Sigma Aldrich
CAS Number 7784-26-1 Website http://www.sigmaaldrich.com
M. F. AlH31NO20S2 Telephone 1-800-521-8956
M. W. 456.352378 Fax
Purity ≥99.0% (T) Email
Storage Chembase ID: 104096

SYNONYMS

Title
硫酸铵铝 十二水合物
IUPAC name
aluminium(3+) ion ammonium dodecahydrate disulfate
IUPAC Traditional name
aluminium(3+) ion ammonium dodecahydrate disulfate
Synonyms
硫酸铝铵 十二水合物
Ammonium alum
Aluminum ammonium sulfate dodecahydrate
铵明矾

DATABASE IDS

CAS Number 7784-26-1
MDL Number MFCD00149958
EC Number 232-055-3

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Impurities insoluble matter, passes filter test
λ 0.1 M in H2O
Linear Formula AlNH4(SO4)2 · 12H2O
Product Line BioUltra
Purity ≥99.0% (T)
Absorption Wavelength λ: 260 nm Amax: ≤0.009
Absorption Wavelength λ: 280 nm Amax: ≤0.008
Melting Point 93.5 °C(lit.)
pH 3.0-4.5 (25 °C, 0.1 M in H2O)
Solubility H2O: soluble0.1 M at 20 °C, clear, colorless
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
RTECS WS5640010
Safety Statements 26-36
German water hazard class 3

DETAILS

REFERENCES