Description

2,5-Dimethylhexanedioic Acid is a valuable aliphatic dicarboxylic acid derivative, distinguished by its two methyl side chains on the adipic acid backbone. This structural feature makes it a versatile building block for synthesizing high-performance polymers, specialty plasticizers, and advanced lubricants. It is primarily sought after by manufacturers in the polymer, fine chemical, and pharmaceutical intermediate industries for creating materials with tailored properties such as enhanced flexibility, thermal stability, and specific reactivity.

Application

• Polymer Synthesis: A key monomer for producing specialty polyamides (nylons) and polyesters with modified crystallinity and melting points.
• Plasticizer Production: Used in the synthesis of ester-based plasticizers, offering improved low-temperature performance and compatibility with PVC and other polymers.
• Lubricant & Grease Formulation: Serves as a precursor for synthetic ester oils and complex greases used in high-temperature industrial applications.
• Pharmaceutical Intermediates: Acts as a chiral building block in the synthesis of certain active pharmaceutical ingredients (APIs).
• Corrosion Inhibitors: Utilized in the formulation of metalworking fluids and industrial corrosion protection additives.
• Adhesive & Coating Resins: Incorporated into alkyd and other resin systems to enhance flexibility and adhesion properties.
• Fine Chemical Synthesis: Employed in organic synthesis for the preparation of complex molecules, including flavors and fragrances.

Basic Information

Product Name	2,5-Dimethylhexanedioic Acid
CAS No.	4454-18-6
Molecular Formula	C8H14O4
Molecular Weight	174.19 g/mol
Synonyms	2,5-Dimethyladipic Acid; Dimethyladipic Acid; 2,5-Dimethylhexane-1,6-dioic Acid; alpha,δ-Dimethyladipic Acid; NSC 66400; Hexanedioic acid, 2,5-dimethyl-
EINECS	224-701-5

Quality Control

Our 2,5-Dimethylhexanedioic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles to support your quality assurance protocols.

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 strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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