Description

Octanedioic Acid, 2,2,7,7-Tetramethyl- is a high-purity, branched-chain dicarboxylic acid derivative valued for its unique steric and chemical properties. This compound serves as a critical advanced intermediate in the synthesis of specialty polymers, pharmaceuticals, and performance materials. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel compounds with enhanced stability and functionality.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly where bulky, lipophilic side chains are required to modulate bioavailability and metabolic stability.
• Polymer Modifier: Acts as a monomer or chain modifier in the production of polyamides, polyesters, and polyurethanes, imparting improved thermal properties and reduced crystallinity.
• Agrochemical Synthesis: Serves as a key building block for advanced herbicides, fungicides, and plant growth regulators, contributing to product efficacy and environmental profile.
• Lubricant & Fuel Additive Precursor: Utilized in creating ester-based synthetic lubricants and detergent additives that offer superior performance at high temperatures.
• Cosmetic Ingredient Intermediate: Employed in the manufacture of specialty esters for emollients and skin-conditioning agents in high-end cosmetic formulations.
• Organic Synthesis Reagent: A valuable reagent in academic and industrial research for constructing complex molecular architectures, including macrocycles and dendritic polymers.

Basic Information

Product Name	Octanedioic Acid, 2,2,7,7-Tetramethyl-
CAS No.	16386-99-5
Molecular Formula	C12H22O4
Molecular Weight	230.30 g/mol
Synonyms	2,2,7,7-Tetramethyloctanedioic acid; 3,3,6,6-Tetramethylazelaic acid; Tetramethylsuberic acid; 2,2,7,7-Tetramethylsuberic acid; TMAA; Branched C12 Dicarboxylic Acid; 3,3,6,6-Tetramethylnonanedioic acid (related isomer)
EINECS	Contact for details

Quality Control

Our Octanedioic Acid, 2,2,7,7-Tetramethyl- is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We can supply material compliant with ICH Q7 guidelines for use as a pharmaceutical intermediate upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. The product may be hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
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.