Description

2,9-Dimethyl-2,9-Dipropyl-Decanedioic Acid CAS NO 85018-89-9 is a high-purity, branched-chain dicarboxylic acid derivative. This compound serves as a valuable specialty chemical intermediate for the synthesis of advanced polymers, lubricants, and plasticizers. It is primarily needed by manufacturers in the polymer, specialty chemicals, and advanced materials sectors seeking to modify material properties such as flexibility, thermal stability, and solubility.

Application

• Polymer Intermediate: Used in the synthesis of specialty polyamides (nylons) and polyesters to introduce branching, improving processability and modifying thermal and mechanical properties.
• Lubricant & Grease Additive Precursor: Serves as a building block for synthetic esters and complex greases, contributing to high-temperature stability and low-temperature fluidity.
• Plasticizer Synthesis: Acts as a starting material for producing high-molecular-weight plasticizers with low volatility and excellent compatibility for PVC and other polymers.
• Specialty Surfactant Production: Utilized in creating surfactants and emulsifiers with unique hydrophobic character for industrial and institutional cleaning formulations.
• Corrosion Inhibitor Formulation: Incorporated into advanced corrosion inhibitor packages for metalworking fluids and industrial cooling water systems.
• Pharmaceutical & Agrochemical Intermediate: Functions as a chiral synthon or building block in the research and development of active pharmaceutical ingredients (APIs) and advanced agrochemicals.

Basic Information

Product Name	2,9-Dimethyl-2,9-Dipropyl-Decanedioic Acid
CAS No.	85018-89-9
Molecular Formula	C18H34O4
Molecular Weight	314.46 g/mol
Synonyms	2,9-Dimethyl-2,9-dipropyldecanedioic acid; Decanedioic acid, 2,9-dimethyl-2,9-dipropyl-; 2,9-Dimethyl-2,9-dipropylsebacic acid; Branched C18 Dicarboxylic Acid; DDPDA
EINECS	Contact for details

Quality Control

Our production of 2,9-Dimethyl-2,9-Dipropyl-Decanedioic Acid adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent composition. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (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	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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