M

Mesitylene

IUPAC: 1,3,5-trimethylbenzene

C9H12 Organic Compounds CAS 108-67-8
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Quick Reference
Formula / NotationC9H12
CAS Number108-67-8
Molecular Weight120.19
Melting Point-49 °F (NIOSH, 2024)
Boiling Point329 °F at 760 mmHg (NIOSH, 2024)
Density0.86 (NIOSH, 2024) - Less dense than water; will float
Solubility0.002 % (NIOSH, 2024)
Appearance1,3,5-trimethylbenzene appears as a colorless liquid with a peculiar odor. Insoluble in water and less dense than water. Flash point near 123 °F. May be toxic by ingestion and inhalation. Used to ...
Also Known As1,3,5-trimethylbenzene; 1,3,5-Trimethylbenzene; 108-67-8; sym-Trimethylbenzene; 3,5-Dimethyltoluene; Fleet-X; Trimethylbenzol; Benzene, 1,3,5-trimethyl-; DTXSID6026797; 887L18KQ6X
CategoryOrganic Compounds

What is Mesitylene?

1,3,5-trimethylbenzene is a trimethylbenzene carrying methyl substituents at positions 1, 3 and 5.

Formula & Notation

C9H12

IUPAC Name: 1,3,5-trimethylbenzene

Other Names / Synonyms: 1,3,5-trimethylbenzene; 1,3,5-Trimethylbenzene; 108-67-8; sym-Trimethylbenzene; 3,5-Dimethyltoluene; Fleet-X; Trimethylbenzol; Benzene, 1,3,5-trimethyl-; DTXSID6026797; 887L18KQ6X

Properties & Characteristics

Appearance: 1,3,5-trimethylbenzene appears as a colorless liquid with a peculiar odor. Insoluble in water and less dense than water. Flash point near 123 °F. May be toxic by ingestion and inhalation. Used to .... Molecular formula: C9H12. Molecular weight: 120.19 g/mol. Boiling point: 329 °F at 760 mmHg (NIOSH, 2024). Melting point: -49 °F (NIOSH, 2024). Density: 0.86 (NIOSH, 2024) - Less dense than water; will float. Solubility: 0.002 % (NIOSH, 2024). Vapor pressure: 2 mmHg (NIOSH, 2024). LogP: 3.4.

Physical Data

PropertyValue
Melting Point-49 °F (NIOSH, 2024)
Boiling Point329 °F at 760 mmHg (NIOSH, 2024)
Density0.86 (NIOSH, 2024) - Less dense than water; will float
Molecular Weight120.19
Solubility0.002 % (NIOSH, 2024)
Appearance1,3,5-trimethylbenzene appears as a colorless liquid with a peculiar odor. Insoluble in water and less dense than water. Flash point near 123 °F. May be toxic by ingestion and inhalation. Used to ...

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 Mesitylene
Formula C9H12
CAS Number 108-67-8
Molecular Weight 120.19
Category Organic Compounds
Index All "M" terms
Synonyms 1,3,5-trimethylbenzene; 1,3,5-Trimethylbenzene; 108-67-8; sym-Trimethylbenzene; 3,5-Dimethyltoluene; Fleet-X; Trimethylbenzol; Benzene, 1,3,5-trimethyl-; DTXSID6026797; 887L18KQ6X

Frequently Asked Questions

1,3,5-trimethylbenzene is a trimethylbenzene carrying methyl substituents at positions 1, 3 and 5.

More "M" Terms

2-Methyltetrahydrofuran C5H10O m-Chloroperoxybenzoic acid C7H5ClO3 Macromolecule Magnesium Mg Magnesium carbonate MgCO3 Magnesium chloride MgCl2 Magnesium hydroxide Mg(OH)2 Magnesium oxide MgO Magnesium sulfate MgO4S Magnetic Quantum Number m_l quantum number: −l to +l integers; e.g., p: m_l = −1, 0, +1 Main Group Elements Malachite green C23H25ClN2
View all "M" terms →
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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.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/mesitylene

For educational purposes only. Verify all information before use.