1,3-Cyclohexanedione

1,3-Cyclohexanedione
Names
	Preferred IUPAC name Cyclohexane-1,3-dione
	Other names CHD, dihydroresorcinol
Identifiers
CAS Number	504-02-9;
3D model (JSmol)	Interactive image;
Beilstein Reference	385888
ChEBI	CHEBI:17766;
ChEMBL	ChEMBL363919;
ChemSpider	10004;
ECHA InfoCard	100.007.255
EC Number	207-980-0;
Gmelin Reference	200899
KEGG	C01066;
PubChem CID	10434;
UNII	6UK3D2BXJT;
CompTox Dashboard (EPA)	DTXSID1044433 ;
	InChI InChI=1S/C6H8O2/c7-5-2-1-3-6(8)4-5/h1-4H2 Key: HJSLFCCWAKVHIW-UHFFFAOYSA-N;
	SMILES C1CC(=O)CC(=O)C1;
Properties
Chemical formula	C6H8O2
Molar mass	112.128 g·mol−1
Appearance	Colorless or white solid
Density	1.0861 g/cm3
Melting point	105.5 °C (221.9 °F; 378.6 K)
Acidity (pKa)	5.20 (H2O)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H318, H412
Precautionary statements	P264, P270, P273, P280, P301+P312, P305+P351+P338, P310, P330, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

1,3-Cyclohexanedione is an organic compound with the formula (CH₂)₄(CO)₂. It is one of three isomeric cyclohexanediones. It is a colorless compound that occurs naturally. It is the substrate for cyclohexanedione hydrolase. The compound exists mainly as the enol tautomer.