T

Toluene

IUPAC: toluene

C7H8 Organic Compounds CAS 108-88-3
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Quick Reference
Formula / NotationC7H8
CAS Number108-88-3
Molecular Weight92.14
Melting Point-139 °F (NTP, 1992)
Boiling Point231.1 °F at 760 mmHg (NTP, 1992)
Density0.867 at 68 °F (USCG, 1999) - Less dense than water; will float
Solubilityless than 1 mg/mL at 64 °F (NTP, 1992)
AppearanceToluene appears as a clear colorless liquid with a characteristic aromatic odor. Flash point 40 °F. Less dense than water (7.2 lb / gal) and insoluble in water. Hence floats on water. Vapors heavi...
Also Known Asmethylbenzene; toluol; 108-88-3; Phenylmethane; methacide; methylbenzol; antisal 1a; Benzene, methyl-; Toluen; tolu-sol
CategoryOrganic Compounds

What is Toluene?

Toluene can cause developmental toxicity according to an independent committee of scientific and health experts. It can cause female reproductive toxicity according to California Labor Code.

Formula & Notation

C7H8

IUPAC Name: toluene

Other Names / Synonyms: methylbenzene; toluol; 108-88-3; Phenylmethane; methacide; methylbenzol; antisal 1a; Benzene, methyl-; Toluen; tolu-sol

Properties & Characteristics

Appearance: Toluene appears as a clear colorless liquid with a characteristic aromatic odor. Flash point 40 °F. Less dense than water (7.2 lb / gal) and insoluble in water. Hence floats on water. Vapors heavi.... Molecular formula: C7H8. Molecular weight: 92.14 g/mol. Boiling point: 231.1 °F at 760 mmHg (NTP, 1992). Melting point: -139 °F (NTP, 1992). Density: 0.867 at 68 °F (USCG, 1999) - Less dense than water; will float. Solubility: less than 1 mg/mL at 64 °F (NTP, 1992). Vapor pressure: 10 mmHg at 43.5 °F ; 20 mmHg at 65.1 °F; 40 mmHg at 89.2 °F (NTP, 1992). LogP: 2.7.

Physical Data

PropertyValue
Melting Point-139 °F (NTP, 1992)
Boiling Point231.1 °F at 760 mmHg (NTP, 1992)
Density0.867 at 68 °F (USCG, 1999) - Less dense than water; will float
Molecular Weight92.14
Solubilityless than 1 mg/mL at 64 °F (NTP, 1992)
AppearanceToluene appears as a clear colorless liquid with a characteristic aromatic odor. Flash point 40 °F. Less dense than water (7.2 lb / gal) and insoluble in water. Hence floats on water. Vapors heavi...

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 Toluene
Formula C7H8
CAS Number 108-88-3
Molecular Weight 92.14
Synonyms methylbenzene; toluol; 108-88-3; Phenylmethane; methacide; methylbenzol; antisal 1a; Benzene, methyl-; Toluen; tolu-sol

Frequently Asked Questions

Toluene can cause developmental toxicity according to an independent committee of scientific and health experts. It can cause female reproductive toxicity according to California Labor Code.

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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.