N

4-Nitrotoluene

IUPAC: 1-methyl-4-nitrobenzene

C7H7NO2 Organic Compounds CAS 99-99-0
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Quick Reference
Formula / NotationC7H7NO2
CAS Number99-99-0
Molecular Weight137.14
Melting Point130.1 °F (NTP, 1992)
Boiling Point460.9 °F at 760 mmHg (NTP, 1992)
Density1.286 at 68 °F (USCG, 1999) - Denser than water; will sink
Solubilityless than 1 mg/mL at 68.9 °F (NTP, 1992)
AppearanceP-nitrotoluene appears as a yellow liquid with a weak aromatic odor. Toxic. Insoluble in water. Combustible but may take some effort to ignite. Produces toxic oxides of nitrogen when burned. In a s...
Also Known As1-methyl-4-nitrobenzene; 1-Methyl-4-nitrobenzene; 99-99-0; p-Nitrotoluene; 4-Nitrotoluol; 4-Methylnitrobenzene; Benzene, 1-methyl-4-nitro-; Toluene, p-nitro-; p-Methylnitrobenzene; Nitrotoluenos
CategoryOrganic Compounds

What is 4-Nitrotoluene?

4-nitrotoluene is a mononitrotoluene that consists of toluene bearing a nitro substituent at the 4-position.

Formula & Notation

C7H7NO2

IUPAC Name: 1-methyl-4-nitrobenzene

Other Names / Synonyms: 1-methyl-4-nitrobenzene; 1-Methyl-4-nitrobenzene; 99-99-0; p-Nitrotoluene; 4-Nitrotoluol; 4-Methylnitrobenzene; Benzene, 1-methyl-4-nitro-; Toluene, p-nitro-; p-Methylnitrobenzene; Nitrotoluenos

Properties & Characteristics

Appearance: P-nitrotoluene appears as a yellow liquid with a weak aromatic odor. Toxic. Insoluble in water. Combustible but may take some effort to ignite. Produces toxic oxides of nitrogen when burned. In a s.... Molecular formula: C7H7NO2. Molecular weight: 137.14 g/mol. Boiling point: 460.9 °F at 760 mmHg (NTP, 1992). Melting point: 130.1 °F (NTP, 1992). Density: 1.286 at 68 °F (USCG, 1999) - Denser than water; will sink. Solubility: less than 1 mg/mL at 68.9 °F (NTP, 1992). Vapor pressure: 1 mmHg at 128.7 °F (NTP, 1992). LogP: 2.4.

Physical Data

PropertyValue
Melting Point130.1 °F (NTP, 1992)
Boiling Point460.9 °F at 760 mmHg (NTP, 1992)
Density1.286 at 68 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight137.14
Solubilityless than 1 mg/mL at 68.9 °F (NTP, 1992)
AppearanceP-nitrotoluene appears as a yellow liquid with a weak aromatic odor. Toxic. Insoluble in water. Combustible but may take some effort to ignite. Produces toxic oxides of nitrogen when burned. In a s...

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 4-Nitrotoluene
Formula C7H7NO2
CAS Number 99-99-0
Molecular Weight 137.14
Synonyms 1-methyl-4-nitrobenzene; 1-Methyl-4-nitrobenzene; 99-99-0; p-Nitrotoluene; 4-Nitrotoluol; 4-Methylnitrobenzene; Benzene, 1-methyl-4-nitro-; Toluene, p-nitro-; p-Methylnitrobenzene; Nitrotoluenos

Frequently Asked Questions

4-nitrotoluene is a mononitrotoluene that consists of toluene bearing a nitro substituent at the 4-position.

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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.