Description

5,7-Dodecadiynedioic Acid is a high-purity, linear diacetylenic dicarboxylic acid building block of significant interest in advanced materials research and organic synthesis. Its unique conjugated diyne structure makes it a valuable precursor for creating polymers with specialized optical and electronic properties. This compound is primarily utilized by R&D chemists and material scientists in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel functional materials and bioactive molecules.

Application

• Polymer Synthesis: A key monomer for the production of polydiacetylenes (PDAs), which are used in colorimetric sensors, nonlinear optical materials, and conductive polymers.
• Pharmaceutical Intermediates: Serves as a versatile building block in the synthesis of complex molecules for drug discovery and development programs.
• Agrochemical Research: Used in the creation of novel active ingredients and formulation additives.
• Material Science: Employed in the development of advanced coatings, adhesives, and composites with tailored properties.
• Cross-linking Agent: Functions as a reactive intermediate to introduce rigid, conjugated segments into polymer backbones, enhancing thermal and mechanical stability.
• Academic & Industrial R&D: A critical reagent for fundamental studies in organic chemistry and the development of new synthetic methodologies.

Basic Information

Product Name	5,7-Dodecadiynedioic Acid
CAS No.	28393-04-6
Molecular Formula	C₁₂H₁₄O₄
Molecular Weight	222.24 g/mol
Synonyms	5,7-Dodecadiyne-1,12-dioic Acid; Dodeca-5,7-diynedioic Acid; 1,12-Dodecadiynedioic Acid; 5,7-Diynedioic Acid, Dodeca-; Linear C12 Diacetylenic Diacid
EINECS	Contact for details

Quality Control

Every batch of 5,7-Dodecadiynedioic Acid is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the high-purity standards required for research and industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong oxidizing agents, bases, and reducing agents.

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	≤ 1.0%
Heavy Metals	≤ 20 ppm

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