Phloroglucinol

Phloroglucinol
Names
	Preferred IUPAC name Benzene-1,3,5-triol
	Other names phloroglucine, 1,3,5-benzenetriol , 1,3,5-trihydroxybenzene or cyclohexane-1,3,5-trione
Identifiers
CAS Number	108-73-6 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:16204 ;
ChEMBL	ChEMBL473159 ;
ChemSpider	352 ;
ECHA InfoCard	100.003.284
EC Number	203-611-2;
KEGG	D00152; C02183;
PubChem CID	359;
RTECS number	UX1050000;
UNII	DHD7FFG6YS ;
CompTox Dashboard (EPA)	DTXSID9048354 ;
	InChI InChI=1S/C6H6O3/c7-4-1-5(8)3-6(9)2-4/h1-3,7-9H Key: QCDYQQDYXPDABM-UHFFFAOYSA-N ; InChI=1/C6H6O3/c7-4-1-5(8)3-6(9)2-4/h1-3,7-9H Key: QCDYQQDYXPDABM-UHFFFAOYAF;
	SMILES c1c(cc(cc1O)O)O;
Properties
Chemical formula	C6H6O3
Molar mass	126.11 g/mol
Appearance	colorless to beige solid
Melting point	219 °C (426 °F; 492 K)
Solubility in water	1 g/100 mL
Solubility	soluble in diethyl ether, ethanol, pyridine
Acidity (pKa)	8.45
Magnetic susceptibility (χ)	−73.4·10−6 cm3/mol
Pharmacology
ATC code	A03AX12 (WHO)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H317, H319, H335, H341, H361
Precautionary statements	P201, P202, P261, P264, P271, P272, P280, P281, P302+P352, P304+P340, P305+P351+P338, P308+P313, P312, P321, P332+P313, P333+P313, P337+P313, P362, P363, P403+P233, P405, P501
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	5 g/kg (rat, oral)
	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

Phloroglucinol is an organic compound with the formula C₆H₃(OH)₃. It is a colorless solid. It is used in the synthesis of pharmaceuticals and explosives. Phloroglucinol is one of three isomeric benzenetriols. The other two isomers are hydroxyquinol (1,2,4-benzenetriol) and pyrogallol (1,2,3-benzenetriol). Phloroglucinol, and its benzenetriol isomers, are still defined as "phenols" according to the IUPAC official nomenclature rules of chemical compounds. Many such monophenolics are often termed polyphenols. The enzyme is biosynthesized by phloroglucinol synthase.