Description

2,2,5,5-Tetramethylhexanedioic Acid is a high-purity, branched-chain dicarboxylic acid derivative. This compound is valued for its unique sterically hindered structure, which imparts specific reactivity and performance characteristics in advanced synthesis. It serves as a critical building block and intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors. Our supply ensures consistent quality and reliable availability for your development and production needs.

Application

• Pharmaceutical Intermediate: Key starting material or building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sterically hindered motifs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its structure contributes to product efficacy and stability.
• Polymer Chemistry: Serves as a monomer or chain modifier in the production of specialty polyesters, polyamides, and coatings, influencing thermal properties and polymer backbone rigidity.
• Ligand and Catalyst Preparation: Utilized in organic and organometallic chemistry to synthesize novel chelating ligands and metal complexes for catalytic applications.
• Fine Chemical Production: Intermediate for the manufacture of complex organic molecules, flavors, fragrances, and other high-value chemicals.
• Research & Development: Essential compound for academic and industrial R&D in organic synthesis and material science.

Basic Information

Product Name	2,2,5,5-Tetramethylhexanedioic Acid
CAS No.	4916-85-2
Molecular Formula	C10H18O4
Molecular Weight	202.25 g/mol
Synonyms	2,2,5,5-Tetramethyladipic Acid; Tetramethyladipic Acid; Hexanedioic acid, 2,2,5,5-tetramethyl-; Adipic acid, 2,2,5,5-tetramethyl-; TMAA; 2,2,5,5-Tetramethylhexane-1,6-dioic acid; α,α,α',α'-Tetramethyladipic acid
EINECS	225-536-4

Quality Control

Every batch of 2,2,5,5-Tetramethylhexanedioic Acid is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets your precise specifications for purity and consistency. A Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles is supplied with each shipment and is available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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