Overview

1,3,5-Trimethylbenzene, also know as mesitylene, is an aromatic hydrocarbon as well as a volatile organic compound (VOC). It is a clear liquid with a strong, peculiar odor. Used most often in solvents and thinners, 1,3,5 trimethylbenzene production exceeds 1 million pounds per year in the United States.

Uses

1,3,5 Trimethylbenzene is found in the following products

• Solvents
• Paint thinner
• Auto fuel
• Dyes
• Wood stain

Toxicity

Human Health Effects

• Irritant to skin, eyes, and respiratory tract causing redness and pain.
• Repeated and chronic exposure can lead to chronic bronchitis.
• Continual occupational exposure has lead to nervousness, tension, anxiety, and asthmatic bronchitis.
• Inhalation and aspiration can cause confusion, drowsiness, headache, sore throat, and vomiting

Environmental Effects

• Half-life: vapor in air=11 hours; river=1.2 hours; lake=4.4 days.
• It can have a high potential for bioconcentration in aquatic organisms.

References

Hazardous Substance Data Bank- 1,3,5-Trimethylbenzene

Household Products Database- Mesitylene