Description

7,12-Dimethyl-7,11-Octadecadiene-1,18-Dicarboxylic Acid is a high-purity, long-chain dicarboxylic acid derivative with a conjugated diene system, making it a valuable intermediate for advanced organic synthesis. This compound is critical for applications requiring precise molecular architecture and controlled reactivity, such as polymer cross-linking and specialty surfactant production. It is primarily sought by R&D laboratories and industrial manufacturers in the polymer, specialty chemical, and pharmaceutical sectors for developing novel materials and fine chemicals.

Application

• Polymer Chemistry: Serves as a key monomer or cross-linking agent for synthesizing specialty polyesters, polyamides, and other condensation polymers with tailored properties.
• Surfactant & Detergent Industry: Used as a precursor for producing high-performance, biodegradable surfactants and emulsifiers with specific hydrophobic/hydrophilic balances.
• Pharmaceutical Intermediates: Acts as a sophisticated building block in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Lubricant & Fuel Additives: Employed in the formulation of advanced lubricant additives and fuel stabilizers that require specific carboxylic acid functionality.
• Cosmetic Ingredients: Utilized in the production of specialty esters and emollients for high-end cosmetic and personal care formulations.
• Research & Development: A valuable tool in academic and industrial R&D for studying Diels-Alder reactions, polymerization kinetics, and structure-property relationships.
• Adhesive & Coating Resins: Incorporated into resin systems to modify flexibility, adhesion, and chemical resistance in coatings and adhesives.

Basic Information

Product Name	7,12-Dimethyl-7,11-Octadecadiene-1,18-Dicarboxylic Acid
CAS No.	78059-14-0
Molecular Formula	C22H36O4
Molecular Weight	364.52 g/mol
Synonyms	7,12-Dimethyl-7,11-octadecadienedioic acid; Octadecadienedioic acid, 7,12-dimethyl-7,11-; Dimethyloctadecadienedioic acid; (7E,11E)-7,12-Dimethyloctadeca-7,11-diene-1,18-dioic acid; C22-Dicarboxylic acid with conjugated diene; Conjugated diene dicarboxylic acid C22
EINECS	Contact for details

Quality Control

Our 7,12-Dimethyl-7,11-Octadecadiene-1,18-Dicarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets precise specifications for advanced synthetic applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its carboxylic acid nature and organic solvent compatibility, keep away from strong bases, oxidizing agents, and incompatible materials. The container should be kept tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.