1,3,5-Trimethylbenzene
Synonyms & Trade Names
Mesitylene, Symmetrical trimethylbenzene, sym-Trimethylbenzene
Exposure Limits
Measurement Methods
Physical Description
Clear, colorless liquid with a distinctive, aromatic odor.
Molecular Weight
120.2
Boiling Point
329°F
Freezing Point
-49°F
Solubility
0.002%
Vapor Pressure
2 mmHg
Ionization Potential
8.39 eV
Specific Gravity
0.86
Flash Point
122°F
Upper Explosive Limit
?
Lower Explosive Limit
?
Class II Flammable Liquid
Incompatibilities & Reactivities
Oxidizers, nitric acid
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose, throat, respiratory system; bronchitis; hypochromic anemia; headache, drowsiness, lassitude (weakness, exhaustion), dizziness, nausea, incoordination; vomiting, confusion; chemical pneumonitis (aspiration liquid)
Target Organs
Eyes, skin, respiratory system, central nervous system, blood
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash
Breathing:Respiratory support
Swallow:Medical attention immediately
Eye:Irrigate immediately
Skin:Soap wash
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
See also
INTRODUCTION
ICSC CARD: 1155
Page last reviewed: October 30, 2019
Content
source: National Institute for Occupational Safety and Health