Home > Compound List > Compound details
7784-24-9 molecular structure
click picture or here to close

aluminium(3+) ion potassium dodecahydrate disulfate

ChemBase ID: 130853
Molecular Formular: AlH27KO20S2
Molecular Mass: 477.412218
Monoisotopic Mass: 476.99895557
SMILES and InChIs

SMILES:
O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[AlH3+3].[K+]
Canonical SMILES:
[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].O.O.O.O.O.O.O.O.O.O.O.O.[AlH3+3].[K+]
InChI:
InChI=1S/Al.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
InChIKey:
GNHOJBNSNUXZQA-UHFFFAOYSA-J

Cite this record

CBID:130853 http://www.chembase.cn/molecule-130853.html

Collapse All Expand All

NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
aluminium(3+) ion potassium dodecahydrate disulfate
IUPAC Traditional name
aluminium(3+) ion potassium dodecahydrate disulfate
Synonyms
Alum
Potassium alum
Potassium aluminum sulfate dodecahydrate
Aluminum potassium sulfate dodecahydrate, ACS
Aluminum potassium sulfate dodecahydrate
Potassium alum dodecahydrate
十二水硫酸铝钾, ACS
硫酸铝钾 十二水合物
明矾
硫酸钾铝 十二水合物
硫酸铝钾 十二水合物
钾明矾
钾明矾 十二水合物
CAS Number
7784-24-9
EC Number
233-141-3
MDL Number
MFCD00149143
Merck Index
14360
PubChem SID
162225131
24858892
24891189
24898896
24854215
24847709
24891090
PubChem CID
62667

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem
Acid pKa -3.034349  H Acceptors
H Donor LogD (pH = 5.5) -5.569452 
LogD (pH = 7.4) -5.594027  Log P -0.841552 
Molar Refractivity 11.5274 cm3 Polarizability 6.037845 Å3
Polar Surface Area 80.26 Å2 Rotatable Bonds
Lipinski's Rule of Five true 

PROPERTIES

PROPERTIES

Physical Property Safety Information Product Information Bioassay(PubChem)
Solubility
H2O: soluble0.5 M, clear, colorless expand Show data source
Soluble in water, glycerol. Insoluble in alcohol expand Show data source
Apperance
Granular expand Show data source
Melting Point
92 °C(lit.) expand Show data source
92°C expand Show data source
Density
1.757 expand Show data source
1.757 g/mL at 25 °C(lit.) expand Show data source
pH
3.0-3.5 (20 °C, 10%) expand Show data source
3.0-3.5 (25 °C, 50 mg/mL in H2O) expand Show data source
RTECS
WS5690000 expand Show data source
MSDS Link
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
German water hazard class
3 expand Show data source
TSCA Listed
expand Show data source
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter expand Show data source
Purity
≥98% expand Show data source
≥98.0% expand Show data source
≥99.0% (T) expand Show data source
≥99.5% expand Show data source
≥99.995% expand Show data source
98.0-102.0% expand Show data source
98.0-102.0% (ACS specification) expand Show data source
99.0-100.5% (calc. on dry substance) expand Show data source
99.0-102.0% expand Show data source
Grade
ACS reagent expand Show data source
ACS reagent, reag. Ph. Eur. expand Show data source
JIS special grade expand Show data source
puriss. expand Show data source
puriss. p.a. expand Show data source
ReagentPlus® expand Show data source
SAJ first grade expand Show data source
Suitability
complies for appearance of solution expand Show data source
meets USP testing specifications expand Show data source
suitable for insect cell culture expand Show data source
Impurities
<50 ppm total metallic impurities expand Show data source
≤0.0005% Phosphorus (P) expand Show data source
≤0.001% heavy metals (as Pb) expand Show data source
≤0.005% ammonium (NH4) expand Show data source
≤0.005% Insoluble matter expand Show data source
≤0.005% insolubles expand Show data source
≤0.2% ammonium (NH4) expand Show data source
Cation Traces
As: ≤0.1 mg/kg expand Show data source
As: ≤2 mg/kg expand Show data source
Ca: ≤0.0005% expand Show data source
Ca: ≤50 mg/kg expand Show data source
Cd: ≤5 mg/kg expand Show data source
Co: ≤5 mg/kg expand Show data source
Cr: ≤5 mg/kg expand Show data source
Cu: ≤0.0005% expand Show data source
Cu: ≤5 mg/kg expand Show data source
Fe: ≤0.001% expand Show data source
Fe: ≤5 mg/kg expand Show data source
Fe:, in accordance expand Show data source
heavy metals (as Pb): ≤0.001% expand Show data source
heavy metals: ≤0.001% expand Show data source
Mg: ≤0.005% expand Show data source
Mg: ≤50 mg/kg expand Show data source
Mn: ≤5 mg/kg expand Show data source
Na: ≤0.005% expand Show data source
Na: ≤0.02% expand Show data source
Na: ≤100 mg/kg expand Show data source
Na: ≤50 mg/kg expand Show data source
NH4+: ≤0.005% expand Show data source
NH4+: ≤50 mg/kg expand Show data source
Ni: ≤5 mg/kg expand Show data source
Pb: ≤0.001% expand Show data source
Pb: ≤10 mg/kg expand Show data source
Pb: ≤5 mg/kg expand Show data source
Zn: ≤0.0005% expand Show data source
Zn: ≤5 mg/kg expand Show data source
Antion Traces
chloride (Cl-): ≤0.0005% expand Show data source
chloride (Cl-): ≤5 mg/kg expand Show data source
chloride (Cl-): ≤5 ppm expand Show data source
chloride (Cl-): ≤50 mg/kg expand Show data source
Loss on Drying
43.0-46.0 loss on drying expand Show data source
Quality
meets analytical specification of Ph. Eur., BP expand Show data source
Linear Formula
AlK(SO4)2 · 12H2O expand Show data source

DETAILS

DETAILS

Sigma Aldrich Sigma Aldrich
Sigma Aldrich - 467820 external link
Legal Information
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC
Sigma Aldrich - 237086 external link
Packaging
100, 500 g in poly bottle
2.5 kg in poly bottle

REFERENCES

REFERENCES

From Suppliers Google Scholar IconGoogle Scholar PubMed iconPubMed Google Books IconGoogle Books
    No data available
  • Searching...Please wait...

PATENTS

PATENTS

PubChem iconPubChem Patent Google Patent Search IconGoogle Patent

INTERNET

INTERNET

Baidu iconBaidu google iconGoogle