2-Nitrotoluene

2-Nitrotoluene
Names
	Preferred IUPAC name 1-Methyl-2-nitrobenzene
	Other names o-Nitrotoluene, o-Methylnitrobenzene, 2-Methylnitrobenzene, ortho-Nitrotoluene
Identifiers
CAS Number	88-72-2 [PubChem];
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:33098 ;
ChEMBL	ChEMBL47047 ;
ChemSpider	21106144 ;
ECHA InfoCard	100.001.685
EC Number	201-853-3;
KEGG	C19597;
PubChem CID	6944;
RTECS number	XT3150000;
UNII	6Q9N88YIAY;
UN number	1664
CompTox Dashboard (EPA)	DTXSID4025791;
	InChI InChI=1S/C7H7NO2/c1-6-4-2-3-5-7(6)8(9)10/h2-5H,1H3 Key: PLAZTCDQAHEYBI-UHFFFAOYSA-N ; InChI=1S/C7H7NO2/c1-6-4-2-3-5-7(6)8(9)10/h2-5H,1H3 Key: PLAZTCDQAHEYBI-UHFFFAOYSA-N; InChI=1S/C7H7NO2/c1-6-4-2-3-5-7(6)8(9)10/h2-5H,1H3;
	SMILES Cc1ccccc1[N+](=O)[O-];
Properties
Chemical formula	C7H7NO2
Molar mass	137.138 g·mol−1
Appearance	yellow liquid
Odor	weak, aromatic
Density	1.1611 g·cm−3 @ 19°C
Melting point	−10.4 °C (13.3 °F; 262.8 K)
Boiling point	222 °C (432 °F; 495 K)
Solubility in water	0.07% (20°C)
Vapor pressure	0.1 mmHg (20°C)
Magnetic susceptibility (χ)	−72.28·10−6 cm3/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H340, H350, H361, H411
Precautionary statements	P201, P202, P264, P270, P273, P281, P301+P312, P308+P313, P330, P391, P405, P501
NFPA 704 (fire diamond)	3 1 1
Flash point	106 °C; 223 °F; 379 K
Explosive limits	2.2%-?
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	891 mg/kg (oral, rat); 970 mg/kg (oral, mouse); 1750 mg/kg (oral, rabbit)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 5 ppm (30 mg/m3) [skin]
REL (Recommended)	TWA 2 ppm (11 mg/m3) [skin]
IDLH (Immediate danger)	200 ppm
	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

2-Nitrotoluene or ortho-nitrotoluene is an organic compound with the formula CH₃C₆H₄NO₂. It is pale yellow liquid that crystallizes in two forms, called α (−9.27 °C) and β (−3.17 °C). It is mainly a precursor to o-toluidine, which is an intermediate in the production of various dyes.