Relevant Data

Food Additives Approved in the United States

Food Additives Approved by WHO:


General Information

Chemical nameCalcium sulphate
E No.E 516
INS.516
CAS number7778-18-9
GroupNo
Component of the group Group I, Additives (Group I)

From webgate.ec.europa.eu


Computed Descriptors

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2D Structure
CID24497
IUPAC Namecalcium;sulfate
InChIInChI=1S/Ca.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChI KeyOSGAYBCDTDRGGQ-UHFFFAOYSA-L
Canonical SMILES[O-]S(=O)(=O)[O-].[Ca+2]
Molecular FormulaCaSO4· nH2O (n = 0 or 2)
Wikipediacalcium sulfate

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight136.134
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Complexity62.2
CACTVS Substructure Key Fingerprint A A A D c Q A A O A B A A A g A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A D A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A = =
Topological Polar Surface Area88.6
Monoisotopic Mass135.914
Exact Mass135.914
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count6
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count2

From Pubchem


Taxonomic Classification

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkaline earth metal oxoanionic compounds
SubclassAlkaline earth metal sulfates
Intermediate Tree NodesNot available
Direct ParentAlkaline earth metal sulfates
Alternative Parents
Molecular FrameworkNot available
SubstituentsAlkaline earth metal sulfate - Inorganic calcium salt - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkaline earth metal sulfates. These are inorganic compounds in which the largest oxoanion is sulfate, and in which the heaviest atom not in an oxoanion is an alkaline earth metal.

From ClassyFire