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Key Documents

368458

Sigma-Aldrich

Aluminum sulfate hydrate

98%

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About This Item

Linear Formula:
Al2(SO4)3 · xH2O
CAS Number:
Molecular Weight:
342.15 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.55

Quality Level

Assay

98%

form

beads or granules
powder, crystals or chunks

composition

Degree of hydration, 14-18

density

1.69 g/mL at 25 °C (lit.)

SMILES string

[Al+3].[Al+3].[H]O[H].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/2Al.3H2O4S.H2O/c;;3*1-5(2,3)4;/h;;3*(H2,1,2,3,4);1H2/q2*+3;;;;/p-6

InChI key

BUACSMWVFUNQET-UHFFFAOYSA-H

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General description

Aluminum sulfate hydrate is a hydrated aluminum salt. Aluminum sulfate is widely used in oil and fat processing, paper manufacturing and as a flocculant for water treatment. The kinetics of its dehydration by thermal decomposition has been investigated. It is one of the components of hematoxylin solution. Spherical particles of aluminum sulfate hydrate has been synthesized by prilling technique.

Application

Aluminum sulfate hydrate was used in the synthesis of new high crystalline zeolite materials.
It may be used in the synthesis of Al-doped ZnO nanorods and spherical alumina powders.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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