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Aluminum sulfate hydrate

Catalog Number
ACM7784318
Product Name
Aluminum sulfate hydrate
Structure
Aluminum sulfate hydrate
CAS
7784-31-8
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Synonyms
Aluminium sulfate octadecahydrate, extra pure; Al2(SO4)3.18H₂O; TCS9L00G8F; I14-19744; CHEBI:74779; Patent alum; MFCD00149136; Cake alum octadecahydrate; Dialuminum sulfate octadecahydrate; Aluminium Sulfate Octadecahydrate;
IUPAC Name
dialuminum;trisulfate;octadecahydrate;
Molecular Weight
666.401g/mol
Molecular Formula
Al2H36O30S3;
Canonical SMILES
O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[Al+3];
InChI
InChI=1S/2Al.3H₂O4S.18H₂O/c;;3*1-5(2,3)4;;;;;;;;;;;;;;;;;;/h;;3*(H2,1,2,3,4);18*1H2/q2*+3;;;;;;;;;;;;;;;;;;;;;/p-6;
InChI Key
AMVQGJHFDJVOOB-UHFFFAOYSA-H;
Storage
Store at room temperature.
Complexity
62.2
Covalently-Bonded Unit Count
23
Exact Mass
666.008g/mol
H-Bond Acceptor
30
H-Bond Donor
18
Heavy Atom Count
35
Monoisotopic Mass
666.008g/mol
Topological Polar Surface Area
284A^2
UNII
TCS9L00G8F
Application
Aluminium sulfate octadecahydrate is a preservative, the inclusive term for several inum-type compounds such as inum sulfate and inum potassium sulfate. It is used with edta to prevent discoloration of potatoes and to maintain the firmness of shrimp packs. It is also used in pickles and pickle relish.
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