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Sigma-Aldrich

Aluminum sulfate hydrate

98%

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Linear Formula:
Al2(SO4)3 · xH2O
CAS Number:
17927-65-0
Molecular Weight:
342.15 (anhydrous basis)
EC Number:
233-135-0
MDL number:
MFCD00149138
UNSPSC Code:
12352302
PubChem Substance ID:
329755517
NACRES:
NA.55

Quality Level

200

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
GHS05

Signal Word

Danger

Hazard Statements

H290,H318

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Kinetics of the multistage dehydration of aluminum sulfate hydrate.
Chou KS and Soong CS.
Thermochimica Acta, 81, 305-310 (1984)
Gamma-to-Alpha Transformation in Spherical Aluminum Oxide Powders.
Tucker DS and Bleier A.
Journal of the American Ceramic Society. American Ceramic Society, 68(7), C-163 (1985)
Angela A Chang et al.
Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 146(1), 46-52 (2011-10-28)
To determine the in vivo biocompatibility of septal neocartilage constructs developed in vitro by an alginate intermediate step. Prospective, animal model. Research laboratory. A murine model was used to examine the maturation of neocartilage constructs in vivo. Chondrocytes collected from
Prilling of aluminum sulfate hydrates.
Ornek D, et al.
Journal of Chemical Technology and Biotechnology, 75(8), 689-694 (2000)
Hydrothermal synthesis of Al-doped ZnO nanorod arrays on Si substrate.
Yun S, et al.
Physica B: Condensed Matter, 405(1), 413-419 (2010)
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