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Product Name: Mesitylene
Synonyms: 1,3,5-trimethyl-benzen;1,3,5-trimethylbenzene (mesitylene);1,3,5-trimethylbenzene(1,3,5-tmb);3,5-dimethyltoluene;Benzene,1,3,5-trimethyl-;Fleet-X;I,3,5-TrimethylbenzolG%305;Mesitylen
CAS: 108-67-8
MF: C9H12
MW: 120.19
EINECS: 203-604-4
Product Categories: Benzene derivates;Analytical Chemistry;Standard Solution of Volatile Organic Compounds for Water & Soil Analysis;Standard Solutions (VOC);Arenes;Building Blocks;Chemical Synthesis;Organic Building Blocks
Mol File: 108-67-8.mol
Mesitylene Structure
Mesitylene Chemical Properties
mp  -45 °C
bp  163-166 °C(lit.)
density  0.8675
vapor density  4.1 (vs air)
vapor pressure  14 mm Hg ( 55 °C)
refractive index  n20/D 1.499(lit.)
Fp  112 °F
storage temp.  2-8°C
Water Solubility  2.9 g/L (20 ºC)
Merck  14,5907
BRN  906806
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference 108-67-8(CAS DataBase Reference)
NIST Chemistry Reference Benzene, 1,3,5-trimethyl-(108-67-8)
EPA Substance Registry System Benzene, 1,3,5-trimethyl-(108-67-8)
Safety Information
Hazard Codes  Xi,N,F,T
Risk Statements  10-37-51/53-39/23/24/25-23/24/25-11-37/38
Safety Statements  61-45-36/37-16-7
RIDADR  UN 2325 3/PG 3
WGK Germany  2
RTECS  OX6825000
F  10
Hazard Note  Irritant/Flammable
HazardClass  3
PackingGroup  III
HS Code  29029080
Hazardous Substances Data 108-67-8(Hazardous Substances Data)
MSDS Information
Provider Language
1,3,5-Trimethylbenzene English
SigmaAldrich English
ACROS English
ALFA English
Mesitylene Usage And Synthesis
Chemical Properties colourless liquid with an aromatic odour
General Description 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 make plastics and dyes.
Air & Water Reactions Flammable. Insoluble in water.
Reactivity Profile TRIMETHYLBENZENE is incompatible with the following: Oxidizers, nitric acid .
Health Hazard May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Mesitylene Preparation Products And Raw materials
Raw materials Sodium-->PROPYLENE-->Ethylenzene-->DOYLE DIRHODIUM CATALYST-RH2(4S-MEOX)4-->2-Amino-3-chlorobenzoic acid-->1,2,4-Trimethylbenzene-->1,2,4,5-Tetramethylbenzene-->Heavy aromatics
Preparation Products Anisic aldehyde-->3-Hydroxybenzoic acid-->O-Mesitylenesulfonylhydroxylamine-->MESITYLACETIC ACID-->2,4,6-Trimethylaniline-->Levodopa-->2-Mesitylenesulfonyl chloride-->Reactive Blue 74-->3,5-Dimethylbenzoic acid-->VANILLA EXTRACT-->2,4-MESITYLENEDISULFONYL DICHLORIDE-->Mesitaldehyde-->2,4,6-Trimethybromombenzene -->Trimesic acid-->2-NITROMESITYLENE