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Gallium(III) sulfate hydrate

Catalog Number
ACM13780422-2
Product Name
Gallium(III) sulfate hydrate
Structure
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CAS
13780-42-2
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  • Usage
Synonyms
Gallium sulphate hydrate
IUPAC Name
Digallium;trisulfate;hydrate
Molecular Weight
445.7
Molecular Formula
Ga2H₂O13S3;
Canonical SMILES
O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Ga+3].[Ga+3]
InChI
InChI=1S/2Ga.3H₂O4S.H₂O/c;3*1-5(2,3)4;/h;3*(H2,1,2,3,4);1H2/q2*+3;/p-6
InChI Key
CMNGAUGWXGMLDK-UHFFFAOYSA-H
Melting Point
105-110 °C
Purity
99%+
Density
3.86 g/cm³
Solubility
Slightly soluble in water and acid
Appearance
White crystal
Complexity
62.2
Covalently-Bonded Unit Count
6
Exact Mass
445.71603
H-Bond Acceptor
13
H-Bond Donor
1
Heavy Atom Count
18
Monoisotopic Mass
443.7169
Topological Polar Surface Area
267 Ų
Application
Gallium(III) sulfate hydrate is instrumental in generating various gallium compounds, notably gallium oxide. Formed by dissolving gallium oxide or gallium hydroxide in sulfuric acid and precipitating it with ether or alcohol, the resulting octahedral crystals serve diverse purposes. When supported on silica gel, this compound functions as a solid acid catalyst, particularly effective as a heterogeneous catalyst in the esterification of p-hydroxybenzoic acid and heptanol to produce n-heptyl p-hydroxybenzoate. Additionally, when it interacts with strong acid cation exchange resin, it demonstrates exceptional catalytic activity useful in the synthesis of amyl hexanoate.
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