Description

2,19-Dioxa-5,16-Dithiaicosanedioic Acid Bis(3-Pyridinylmethyl) Ester is a sophisticated organic compound featuring a long-chain diacid core with integrated ether and thioether linkages, capped with pyridinylmethyl ester groups. This unique molecular architecture makes it a valuable building block and functional intermediate for advanced material science and pharmaceutical research. It is primarily sought by R&D chemists and process engineers in the fine chemical, polymer, and life science sectors for developing novel polymers, ligands, and active pharmaceutical ingredients (APIs).

Application

• Polymer Chemistry: Serves as a specialty monomer or cross-linking agent for synthesizing functional polymers with tailored properties like metal chelation or specific solubility.
• Pharmaceutical Intermediates: Used in the research and development of complex drug molecules, particularly those requiring specific chain length and heteroatom functionalities.
• Ligand Synthesis: Acts as a precursor for creating multidentate ligands used in catalysis, metal extraction, and sensor technology.
• Material Science Research: Employed in developing advanced materials such as self-assembling monolayers, liquid crystals, or organic electronic components.
• Surface Modification: Can be used to modify surfaces with pyridine-containing groups for enhanced adhesion, corrosion resistance, or bio-compatibility.
• Academic & Industrial R&D: A key reagent for exploratory synthetic chemistry and investigating structure-property relationships in new chemical entities.

Basic Information

Product Name	2,19-Dioxa-5,16-Dithiaicosanedioic Acid Bis(3-Pyridinylmethyl) Ester
CAS No.	82205-96-7
Molecular Formula	C32H40N2O6S2
Molecular Weight	612.80 g/mol
Synonyms	Bis(3-pyridylmethyl) 2,19-dioxa-5,16-dithiaicosanedioate; 3-Pyridinemethanol, α,α'-[2,19-dioxa-5,16-dithiaicosanedioyl]bis-; 1,21-Bis(3-pyridinyl)-4,7,14,17-tetraoxa-10,13-dithiaheneicosane-1,21-dione; Pyridinylmethyl Ester of Dioxadithiaicosanedioic Acid; Long-chain Pyridine Ester; Polyether Polythioether Diester; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 2,19-Dioxa-5,16-Dithiaicosanedioic Acid Bis(3-Pyridinylmethyl) Ester adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR), to ensure consistency and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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