Description

1,4-Benzenedipropanoic Acid, α1,α4-Dicarboxy-2,3,5,6-Tetramethyl- is a high-purity, symmetrically substituted aromatic dicarboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its rigid, sterically hindered structure, which is essential for creating specialized polymers, liquid crystals, and complex pharmaceutical intermediates. This compound is primarily needed by research institutions and industrial manufacturers in the fine chemical, advanced material science, and pharmaceutical development sectors seeking to innovate with tailored molecular architectures.

Application

• Polymer Chemistry: As a monomer for synthesizing high-performance polyamides, polyesters, and polyimides with enhanced thermal stability and mechanical properties.
• Liquid Crystal Displays (LCDs): A key intermediate in the production of sterically demanding mesogens for liquid crystal mixtures used in electronic displays.
• Pharmaceutical Intermediates: Used in the research and development of novel active pharmaceutical ingredients (APIs), particularly those requiring a rigid, tetrasubstituted benzene core.
• Coordination Chemistry & Ligand Synthesis: Acts as a precursor for creating multidentate chelating ligands used in catalysis and metal-organic frameworks (MOFs).
• Advanced Material Science: Employed in the development of organic semiconductors, non-linear optical (NLO) materials, and other specialty electronic materials.
• Cross-linking Agent: Functions as a cross-linker in resin and coating formulations to improve hardness and chemical resistance.

Basic Information

Product Name	1,4-Benzenedipropanoic Acid, α1,α4-Dicarboxy-2,3,5,6-Tetramethyl-
CAS No.	94265-85-7
Molecular Formula	C16H20O4
Molecular Weight	276.33 g/mol
Synonyms	2,3,5,6-Tetramethylterephthalic acid; 2,3,5,6-Tetramethyl-1,4-benzenedicarboxylic acid; Durene-1,4-dicarboxylic acid; 1,4-Dicarboxy-2,3,5,6-tetramethylbenzene; α1,α4-Dicarboxy-2,3,5,6-tetramethylbenzene; TMT; TMT Acid
EINECS	Contact for details

Quality Control

Our 1,4-Benzenedipropanoic Acid, α1,α4-Dicarboxy-2,3,5,6-Tetramethyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency required for research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee supply reliability and product traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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