N

2-Nitrotoluene

IUPAC: 1-methyl-2-nitrobenzene

C7H7NO2 Organic Compounds CAS 88-72-2
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Quick Reference
Formula / NotationC7H7NO2
CAS Number88-72-2
Molecular Weight137.14
Melting Point14.9 °F (NTP, 1992)
Boiling Point431.1 °F at 760 mmHg (NTP, 1992)
Density1.1622 at 66.2 °F (USCG, 1999) - Denser than water; will sink
Solubilityless than 1 mg/mL at 70 °F (NTP, 1992)
AppearanceO-nitrotoluene is a light yellow oily liquid with a characteristic odor of aromatic nitro compounds. Sinks in water. Derived from toluene by nitration and separation by fractional distillation. Fla...
Also Known As1-methyl-2-nitrobenzene; 1-Methyl-2-nitrobenzene; 88-72-2; O-NITROTOLUENE; o-Nitrotoluol; o-Methylnitrobenzene; 2-Methyl-1-nitrobenzene; Toluene, o-nitro-; 2-Methylnitrobenzene; 2-Nitrotoluol
CategoryOrganic Compounds

What is 2-Nitrotoluene?

2-nitrotoluene is a mononitrotoluene that is toluene carrying a nitro substituent at position 2. It has a role as a carcinogenic agent and an environmental contaminant.

Formula & Notation

C7H7NO2

IUPAC Name: 1-methyl-2-nitrobenzene

Other Names / Synonyms: 1-methyl-2-nitrobenzene; 1-Methyl-2-nitrobenzene; 88-72-2; O-NITROTOLUENE; o-Nitrotoluol; o-Methylnitrobenzene; 2-Methyl-1-nitrobenzene; Toluene, o-nitro-; 2-Methylnitrobenzene; 2-Nitrotoluol

Properties & Characteristics

Appearance: O-nitrotoluene is a light yellow oily liquid with a characteristic odor of aromatic nitro compounds. Sinks in water. Derived from toluene by nitration and separation by fractional distillation. Fla.... Molecular formula: C7H7NO2. Molecular weight: 137.14 g/mol. Boiling point: 431.1 °F at 760 mmHg (NTP, 1992). Melting point: 14.9 °F (NTP, 1992). Density: 1.1622 at 66.2 °F (USCG, 1999) - Denser than water; will sink. Solubility: less than 1 mg/mL at 70 °F (NTP, 1992). Vapor pressure: 0.1 mmHg at 68 °F ; 0.25 mmHg at 86 °F; 1.6 mmHg at 140 °F (NTP, 1992). LogP: 2.3.

Physical Data

PropertyValue
Melting Point14.9 °F (NTP, 1992)
Boiling Point431.1 °F at 760 mmHg (NTP, 1992)
Density1.1622 at 66.2 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight137.14
Solubilityless than 1 mg/mL at 70 °F (NTP, 1992)
AppearanceO-nitrotoluene is a light yellow oily liquid with a characteristic odor of aromatic nitro compounds. Sinks in water. Derived from toluene by nitration and separation by fractional distillation. Fla...

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term 2-Nitrotoluene
Formula C7H7NO2
CAS Number 88-72-2
Molecular Weight 137.14
Synonyms 1-methyl-2-nitrobenzene; 1-Methyl-2-nitrobenzene; 88-72-2; O-NITROTOLUENE; o-Nitrotoluol; o-Methylnitrobenzene; 2-Methyl-1-nitrobenzene; Toluene, o-nitro-; 2-Methylnitrobenzene; 2-Nitrotoluol

Frequently Asked Questions

2-nitrotoluene is a mononitrotoluene that is toluene carrying a nitro substituent at position 2. It has a role as a carcinogenic agent and an environmental contaminant.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.