Description

2,3,5,6-Tetramethylbenzoicacid is a highly substituted benzoic acid derivative characterized by its four methyl groups, which impart unique steric and electronic properties. This compound is valued as a versatile chemical intermediate and building block in advanced organic synthesis. It is primarily sought by industries involved in pharmaceutical research, agrochemical development, and the production of specialty polymers and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Preparation: Acts as a starting material for synthesizing sterically hindered ligands used in transition metal catalysis.
• Polymer Modification: Incorporated into polymer chains to alter physical properties like thermal stability and solubility.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals.
• Research & Development: Utilized in academic and industrial R&D for exploring new organic reactions and material science applications.

Basic Information

Product Name	2,3,5,6-Tetramethylbenzoicacid
CAS No.	50-38-4
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	2,3,5,6-Tetramethylbenzoic Acid; Durenolic Acid; Prehnitic Acid; 2,3,5,6-Tetramethylbenzenecarboxylic Acid; Benzoic acid, 2,3,5,6-tetramethyl-; Durenecarboxylic Acid
EINECS	200-037-7

Quality Control

Our production of 2,3,5,6-Tetramethylbenzoicacid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system is designed to meet the rigorous demands of GMP and ISO standards for reliable supply to critical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	168°C - 172°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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