2,3-Dinitrophenol

2,3-Dinitrophenol
Names
	Preferred IUPAC name 2,3-Dinitrophenol
Identifiers
CAS Number	66-56-8 ;
3D model (JSmol)	Interactive image; Interactive image;
ChEBI	CHEBI:39354 ;
ChemSpider	5956 ;
ECHA InfoCard	100.000.571
EC Number	200-628-7;
PubChem CID	6191;
UNII	735M30625H ;
UN number	1599 1320
CompTox Dashboard (EPA)	DTXSID2075261 ;
	InChI InChI=1S/C6H4N2O5/c9-5-3-1-2-4(7(10)11)6(5)8(12)13/h1-3,9H Key: MHKBMNACOMRIAW-UHFFFAOYSA-N ; InChI=1S/C6H4N2O5/c9-5-3-1-2-4(7(10)11)6(5)8(12)13/h1-3,9H Key: MHKBMNACOMRIAW-UHFFFAOYSA-N;
	SMILES C1=CC(=C(C(=C1)O)[N+](=O)[O-])[N+](=O)[O-]; c1cc(c(cc1[N+](=O)[O-])[N+](=O)[O-])O;
Properties
Chemical formula	C6H4N2O5
Molar mass	184.107 g·mol−1
Density	1.683 g/cm3
Melting point	108 °C (226 °F; 381 K)
Boiling point	113 °C (235 °F; 386 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H311, H331, H373, H411
Precautionary statements	P260, P261, P264, P270, P271, P273, P280, P301+P310, P302+P352, P304+P340, P311, P312, P314, P321, P322, P330, P361, P363, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)	3 3 3
Legal status	BR: Class F4 (Other prohibited substances);
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2,3-Dinitrophenol (2,3-DNP) is an organic compound with the formula HOC₆H₃(NO₂)₂. 2,3-Dinitrophenol is not planar due to rotation of nitro groups, and is acidic.