2-Nitrotoluene

2-Nitrotoluene

Names
IUPAC name 1-methyl-2-nitro-benzene
Other names o-Nitrotoluene, o-Methylnitrobenzene, 2-Methylnitrobenzene, ortho-Nitrotoluene
Identifiers
CAS Number	88-72-2
ChEBI	CHEBI:33098
ChEMBL	ChEMBL47047
ChemSpider	21106144
Jmol interactive 3D	Image
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	137.14 g·mol^−1
Appearance	yellow liquid[1]
Odor	weak, aromatic[1]
Density	1.1611 g·cm^−3 @ 19°C [2]
Melting point	−10.4 °C (13.3 °F; 262.8 K)[2]
Boiling point	222 °C (432 °F; 495 K)[2]
Solubility in water	0.07% (20°C)[1]
Vapor pressure	0.1 mmHg (20°C)[1]
Hazards
Flash point	106 °C; 223 °F; 379 K [1]
Explosive limits	2.2%-?[1]
Lethal dose or concentration (LD, LC):
LD50 (Median dose)	891 mg/kg (oral, rat) 970 mg/kg (oral, mouse) 1750 mg/kg (oral, rabbit)[3]
US health exposure limits (NIOSH):
PEL (Permissible)	TWA 5 ppm (30 mg/m^3) [skin][1]
REL (Recommended)	TWA 2 ppm (11 mg/m^3) [skin][1]
IDLH (Immediate danger	200 ppm[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

2-Nitrotoluene or ortho-nitrotoluene is a pale yellow liquid. It can be made by nitrating toluene at above -10 °C.

References

1. "NIOSH Pocket Guide to Chemical Hazards #0462". National Institute for Occupational Safety and Health (NIOSH).
2. Lide DR, ed. (2004). CRC handbook of chemistry and physics: a ready-reference book of chemical and physical data (85 ed.). Boca Ratan Florida: CRC Press. ISBN 0-8493-0485-7.
3. "Nitrotoluene (o-, m-, p-isomers)". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH).

External links

• CDC - NIOSH Pocket Guide to Chemical Hazards - o-Nitrotoluene