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Alum

Molecular FormulaH₂₄AlKO₂₀S₂
Average mass474.388 Da
Monoisotopic mass473.975464 Da
ChemSpider ID56418

- Charge

More details:

Names and Synonyms
Database ID(s)

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Alum [NF] [Wiki]

Alum, potassium

Alum, potassium, dodecahydrate

aluminium potassium sulfate 12-hydrate

Aluminium potassium sulfate dodecahydrate

Aluminium potassium sulfate hydrate (1:1:2:12) [ACD/IUPAC Name]

aluminium potassium sulphate 12-hydrate

Aluminiumkaliumsulfathydrat (1:1:2:12) [German] [ACD/IUPAC Name]

Aluminum potassium disulfate dodecahydrate

Aluminum potassium sulfate (1:1:2) dodecahydrate

More...

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

12623_RIEDEL [DBID]

237086_SIAL [DBID]

31242_RIEDEL [DBID]

A6435_SIGMA [DBID]

A7210_SIAL [DBID]

D01724 [DBID]

P7971_SIAL [DBID]

Experimental data
Predicted - ACD/Labs
Predicted - ChemAxon

Experimental Physico-chemical Properties

Experimental Melting Point:

Experimental Solubility:

Soluble in water, glycerol. Insoluble in alcohol Alfa Aesar 36288
Experimental Density:

1.757 g/mL Alfa Aesar 36288

1.757 g/mL (Literature) Sigma-Aldrich SAJ-01-2990, VETEC-V800026

Miscellaneous

Appearance:

white to colourless crystals OU Chemical Safety Data (No longer updated) More details
Stability:

Stable. Incompatible with steel, aluminium, copper, zinc, bases, strong oxidizing agents. OU Chemical Safety Data (No longer updated) More details

Safety:

Chemical Class:

A hydrate resulting from the the formal combination of anhydrous potassium aluminium sulfate with 12 mol eq. of water. ChEBI CHEBI:86465

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

No predicted properties have been calculated for this compound.

Density:
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors:
#H bond donors:
#Freely Rotating Bonds:
#Rule of 5 Violations:

ACD/LogP:
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area:
Polarizability:
Surface Tension:
Molar Volume:

Click to predict properties on the Chemicalize site

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Alum

More details:

Experimental Melting Point:

Experimental Solubility:

Experimental Density:

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Chemical Class:

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