1,2-naphthoquinone-4-sulfonic acid (CHEBI:137378)

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ChEBI Name	1,2-naphthoquinone-4-sulfonic acid

ChEBI ID	CHEBI:137378

Definition	An arenesulfonic acid that is 1,2-naphthoquinone substituted at position 4 with a sulfonic acid group. Used principally as a reagent in colorimetric determinations.

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

Supplier Information

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Formula

C10H6O5S

Net Charge

Average Mass

238.218

Monoisotopic Mass

237.99359

InChI

InChI=1S/C10H6O5S/c11-8-5-9(16(13,14)15)6-3-1-2-4-7(6)10(8)12/h1-5H,(H,13,14,15)

InChIKey

PZTGRDMCBZUJDL-UHFFFAOYSA-N

SMILES

C1=2C=CC=CC2C(=CC(C1=O)=O)S(=O)(=O)O

Roles Classification
Application(s):	colorimetric reagent A reagent used in the determination of the concentration of a coloured chemical element or chemical compound in solution.

ChEBI Ontology
Outgoing	1,2-naphthoquinone-4-sulfonic acid (CHEBI:137378) has role colorimetric reagent (CHEBI:67126) 1,2-naphthoquinone-4-sulfonic acid (CHEBI:137378) is a arenesulfonic acid (CHEBI:33555) 1,2-naphthoquinone-4-sulfonic acid (CHEBI:137378) is a naphthalenone (CHEBI:25479)

IUPAC Name

3,4-dioxo-3,4-dihydronaphthalene-1-sulfonic acid

Synonyms	Sources
1,2-naphthoquinone-4-sulphonic acid	ChEBI
3,4-dihydro-3,4-dioxo-1-naphthalenesulfonic acid	ChemIDplus
3,4-dihydro-3,4-dioxonaphthalene-1-sulphonic acid	ChemIDplus
β-naphthoquinone-4-sulfonic acid	ChEBI

Registry Number	Type	Source
2066-93-5	CAS Registry Number	ChemIDplus

Last Modified

08 June 2017