1,4-Naphthoquinone

Naphthoquinone
Names
	Preferred IUPAC name Naphthalene-1,4-dione
	Other names 1,4-Naphthoquinone; Naphthoquinone; α-Naphthoquinone
Identifiers
CAS Number	130-15-4 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL55934 ;
ChemSpider	8215;
ECHA InfoCard	100.004.526
PubChem CID	8530;
UNII	RBF5ZU7R7K ;
CompTox Dashboard (EPA)	DTXSID5040704 ;
	InChI InChI=1S/C10H6O2/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6H Key: FRASJONUBLZVQX-UHFFFAOYSA-N; InChI=1/C10H6O2/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6H Key: FRASJONUBLZVQX-UHFFFAOYAK;
	SMILES O=C1c2ccccc2C(=O)cc1;
Properties
Chemical formula	C10H6O2
Molar mass	158.15 g/mol
Density	1.422 g/cm3
Melting point	126 °C (259 °F; 399 K)
Boiling point	Begins to sublime at 100 °C
Solubility in water	0.09 g/L
Magnetic susceptibility (χ)	-73.5·10−6 cm3/mol
	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

1,4-Naphthoquinone or para-naphthoquinone is a quinone derived from naphthalene. It forms volatile yellow triclinic crystals and has a sharp odor similar to benzoquinone. It is almost insoluble in cold water, slightly soluble in petroleum ether, and more soluble in polar organic solvents. In alkaline solutions it produces a reddish-brown color. Vitamin K is a derivative of 1,4-naphthoquinone. It is a planar molecule with one aromatic ring fused to a quinone subunit. It is an isomer of 1,2-naphthoquinone.

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