1,2,4-Trimethylbenzene, CAS 95-63-6
1,2,4-Trimethylbenzene, CAS 95-63-6, commonly known as Pseudocumene or Pseudocumol, is an aromatic hydrocarbon containing three methyl groups attached to a benzene ring at the 1,2,4 positions. It is also referred to as asymmetrical trimethylbenzene.
Chemical Name: 1,2,4-Trimethylbenzene
Common Name: Pseudocumene
Other Names: Pseudocumol, Asymmetrical Trimethylbenzene, Psi-Cumene, Benzene, 1,2,4-Trimethyl-
CAS No.: 95-63-6
EC No.: 202-436-9
EC Index No.: 601-043-00-3
Molecular Formula: C9H12
Molecular Weight: 120.19 g/mol
IUPAC Name: 1,2,4-Trimethylbenzene

Appearance: Colorless transparent liquid, no impurities
Purity: 98.5% min
o-Ethyltoluene: 0.60% max
Sulfur: 1 PPM max

Trimellitic Anhydride (TMA) – primary use: Pseudocumene is oxidized to produce TMA, a key raw material for high-temperature plasticizers (e.g., TOTM, trioctyl trimellitate), polyester resins, alkyd resins, and epoxy curing agents.
Solvent: used as a high-boiling aromatic solvent.
Organic synthesis intermediate: raw material for other fine chemicals.
170kg/drum.

24000MT/year.
Store in tightly closed, compatible containers in a cool, dry and well-ventilated area.
Keep away from heat, sparks, open flames and other ignition sources.
Hosea Chem® supplies 1,2,4-Trimethylbenzene (Pseudocumene), CAS 95-63-6, for industrial solvent formulations, aromatic hydrocarbon processing and chemical intermediate manufacturing.