Common NameSulfate
DescriptionThe sulfate ion is a polyatomic anion with the empirical formula SO42- and a molecular mass of 96.06 daltons; it consists of one central sulfur atom surrounded by four equivalent oxygen atoms in a tetrahedral arrangement. The sulfate ion carries a negative two charge and is the conjugate base of the hydrogen sulfate ion, HSO4-, which is the conjugate base of H2SO4, sulfuric acid. In inorganic chemistry, a sulfate (IUPAC-recommended spelling; also sulphate in British English) is a salt of sulfuric acid. Sulfate aerosols can act as cloud condensation nuclei and this leads to greater numbers of smaller droplets of water. Lots of smaller droplets can diffuse light more efficiently than just a few larger droplets.
Structure
Molecular FormulaH2O4S
Average Mass98.07800
Monoisotopic Mass97.96738
IUPAC Namesulfate
Traditional NameSulfate
CAS Registry Number14808-79-8
SMILESO=S(=O)([O-])[O-]
InChI IdentifierInChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
InChI KeyQAOWNCQODCNURD-UHFFFAOYSA-N
CHEBI IDCHEBI:16189
HMDB IDHMDB0001448
Pathways
NameSMPDB/PathBank
Sulfur metabolism
Starch and sucrose metabolism
Androgen and Estrogen Metabolism
Metachromatic Leukodystrophy (MLD)
Globoid Cell Leukodystrophy
Gaucher Disease
17-Beta Hydroxysteroid Dehydrogenase III Deficiency
Fabry disease
Krabbe disease
Sulfite oxidase deficiency
Aromatase deficiency
StateNot Available
Water SolubilityNot Available
logP-0.84
logSNot Available
pKa (Strongest Acidic)-3.03
pKa (Strongest Basic)Not Available
Hydrogen Acceptor Count4
Hydrogen Donor Count0
Polar Surface Area80.26 Ų
Rotatable Bond Count0
Physiological Charge-2
Formal Charge-2
Refractivity11.53 m³·mol⁻¹
Polarizability5.81

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