Description

1,2,3-Trimethylbenzene is a high-purity aromatic hydrocarbon isomer, also known as hemimellitene, with the CAS number 526-73-8. This compound serves as a versatile and valuable chemical intermediate and solvent in advanced organic synthesis and industrial manufacturing. It is essential for producers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-quality raw materials for complex processes.

Application

• Chemical Synthesis Intermediate: A key building block in the production of advanced pharmaceuticals, fine chemicals, and agrochemicals.
• Specialty Solvent: Used in formulations and reactions requiring a high-boiling, non-polar aromatic solvent.
• Research & Development: Employed in laboratory-scale organic synthesis and process development.
• Dye and Pigment Manufacturing: Acts as a precursor or solvent in the synthesis of complex organic colorants.
• Polymer and Resin Production: Utilized as a reaction medium or modifying agent in specific polymerizations.
• Fuel and Lubricant Additives: Can serve as a precursor for the synthesis of performance-enhancing additives.

Basic Information

Product Name	1,2,3-Trimethylbenzene
CAS No.	526-73-8
Molecular Formula	C9H12
Molecular Weight	120.19 g/mol
Synonyms	Hemimellitene; 1,2,3-Trimethylbenzene; vic-Trimethylbenzene; uns-Trimethylbenzene; Benzene, 1,2,3-trimethyl-; 1,2,3-TMB
EINECS	208-394-8

Quality Control

Our 1,2,3-Trimethylbenzene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and ignition points. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.894 - 0.898
Boiling Point	~ 176 °C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.