1,2-Naphthoquinone

1,2-Naphthoquinone
Names
	Preferred IUPAC name Naphthalene-1,2-dione
	Other names o-Naphthoquinone,; β-naphthoquinone
Identifiers
CAS Number	524-42-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:34055;
ChEMBL	ChEMBL52347 ;
ChemSpider	10217 ;
ECHA InfoCard	100.007.602
KEGG	C14783 ;
PubChem CID	10667;
UNII	804K62F61Q ;
CompTox Dashboard (EPA)	DTXSID2060171 ;
	InChI InChI=1S/C10H6O2/c11-9-6-5-7-3-1-2-4-8(7)10(9)12/h1-6H Key: KETQAJRQOHHATG-UHFFFAOYSA-N ; InChI=1/C10H6O2/c11-9-6-5-7-3-1-2-4-8(7)10(9)12/h1-6H Key: KETQAJRQOHHATG-UHFFFAOYAZ;
	SMILES O=C1c2ccccc2\C=C/C1=O;
Properties
Chemical formula	C10H6O2
Molar mass	158.156 g·mol−1
Appearance	yellow solid
Melting point	145 to 147 °C (293 to 297 °F; 418 to 420 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

1,2-Naphthoquinone or ortho-naphthoquinone is a polycyclic aromatic organic compound with formula C
₁₀H
₆O
₂. It is classified as a 1,2-diketone as well as an ortho-quinone. More specifically, it is one of several naphthoquinones.