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  7. Aluminum sulfate, anhydrous, 99.99% (metals basis), Thermo Scientific Chemicals

Aluminum sulfate, anhydrous, 99.99% (metals basis), Thermo Scientific Chemicals

Product Code. 11485330
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Description

Aluminum sulfate acts as a flocculating agent in the purification of drinking water, and in waste water treatment plants. It acts as a mordant in dyeing, printing, textiles and also used in paper manufacturing. It is a waterproofing agent and accelerator in concrete. Further, it is used as a foaming agent in fire fighting foam, photographic film and in photochemicals. It is also used in styptic pencils, pain relief and in dentistry for gingival retraction cords.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

  • Packaged under Argon
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 10043-01-3
Molecular Formula Al2O12S3
Molecular Weight (g/mol) 342.131
MDL Number MFCD00003423
InChI Key DIZPMCHEQGEION-UHFFFAOYSA-H
Synonym aluminum sulfate, dialuminum trisulfate, aluminum sulfate 2:3, filter alum, aluminum sulphate, aluminum sulphate, dialuminum sulfate, papermaker's alum, sulfuric acid, aluminum salt 3:2
PubChem CID 24850
ChEBI CHEBI:74768
IUPAC Name dialuminum;trisulfate
SMILES [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[Al+3]

Specifications

Melting Point 770°C
pH 3.5
Physical Form Powder
Quantity 100 g
Merck Index 14,366
Solubility Information Soluble in water. Slightly soluble in alcohol and dilute mineral acids. Insoluble in ethanol.
Formula Weight 342.15
Percent Purity 99.99%
Sensitivity Hygroscopic
Density 2.71 g/mL
Assay (metals basis)
Chemical Name or Material Aluminum sulfate, Anhydrous
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