squaric acid (CHEBI:52141)

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ChEBI Name	squaric acid

ChEBI ID	CHEBI:52141

Definition	A carbon oxoacid that consists of 1,2-diketocyclobut-3-ene bearing two enolic hydroxy substituents at positions 3 and 4.

Stars	This entity has been manually annotated by the ChEBI Team.

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Formula

C4H2O4

Net Charge

Average Mass

114.05630

Monoisotopic Mass

113.99531

InChI

InChI=1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H

InChIKey

PWEBUXCTKOWPCW-UHFFFAOYSA-N

SMILES

Oc1c(O)c(=O)c1=O

Roles Classification
Chemical Role(s):	Bronsted acid A molecular entity capable of donating a hydron to an acceptor (Bronsted base). (via oxoacid )

Biological Role(s):	metabolite Any intermediate or product resulting from metabolism. The term 'metabolite' subsumes the classes commonly known as primary and secondary metabolites.

ChEBI Ontology
Outgoing	squaric acid (CHEBI:52141) has role metabolite (CHEBI:25212) squaric acid (CHEBI:52141) is a alicyclic ketone (CHEBI:36132) squaric acid (CHEBI:52141) is a carbon oxoacid (CHEBI:35605) squaric acid (CHEBI:52141) is conjugate acid of hydrogensquarate (CHEBI:59711)

Incoming	squaric acid dibutyl ester (CHEBI:53612) has functional parent squaric acid (CHEBI:52141) hydrogensquarate (CHEBI:59711) is conjugate base of squaric acid (CHEBI:52141)

IUPAC Name

3,4-dihydroxycyclobut-3-ene-1,2-dione

Synonyms	Sources
1,2-Diketo-3,4-dihydroxycyclobutene	ChemIDplus
1,2-dioxo-3,4-dihydroxycyclobut-3-ene	ChEBI
1,2-dioxo-3,4-dihydroxycyclobutene	ChEBI
3,4-dihydroxy-3-cyclobutene-1,2-dione	NIST Chemistry WebBook
Quadratic acid	ChemIDplus
Quadratsäure	ChemIDplus

Last Modified

01 September 2015