Description

Octamethyl 5,5',5'',5'''-[Methanetetrayltetrakis(4,1-Phenyleneethyne-2,1-Diyl)]Tetraisophthalate is a high-purity, complex organic compound characterized by its rigid, multi-branched aromatic structure. This compound is valued for its role as a key intermediate or monomer in the synthesis of advanced polymeric materials, where its precise architecture imparts specific performance characteristics. It is primarily sought by R&D laboratories and manufacturers in the fields of specialty polymers, liquid crystals, and organic electronics.

Application

• Advanced Polymer Synthesis: Serves as a crucial building block for high-performance polymers, including polyimides, polyesters, and other thermosetting resins requiring high thermal stability and mechanical strength.
• Liquid Crystal Materials: Used in the development of novel liquid crystal compounds for display technologies, where its rigid, elongated core structure is essential for controlling molecular alignment.
• Organic Semiconductor Research: Acts as a precursor or dopant in the research and development of organic light-emitting diodes (OLEDs) and other organic electronic devices.
• Pharmaceutical Intermediates: Potential use as a sophisticated scaffold or intermediate in the synthesis of complex active pharmaceutical ingredients (APIs) for targeted drug discovery.
• Cross-linking Agent: Functions as a multi-functional cross-linker in coatings, adhesives, and composite materials to enhance network density and durability.
• Material Science Research: Employed in academic and industrial R&D for creating novel organic frameworks, dendrimers, and other nanostructured materials.

Basic Information

Product Name	Octamethyl 5,5',5'',5'''-[Methanetetrayltetrakis(4,1-Phenyleneethyne-2,1-Diyl)]Tetraisophthalate
CAS No.	1287733-05-4
Molecular Formula	C73H44O16
Molecular Weight	1129.13 g/mol
Synonyms	Octamethyl Methanetetrayltetrakis(phenyleneethyne)tetraisophthalate; Tetrakis(4-ethynylphenyl)methane Tetraisophthalate Octamethyl Ester; 5,5',5'',5'''-(Methanetetrayltetrakis(4,1-phenylene-2,1-ethynediyl))tetraisophthalic Acid Octamethyl Ester; Multi-arm Aromatic Ester Monomer; Rigid Star-shaped Aromatic Ester; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of Octamethyl 5,5',5'',5'''-[Methanetetrayltetrakis(4,1-Phenyleneethyne-2,1-Diyl)]Tetraisophthalate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR). A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment to support your quality assurance and regulatory 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). Keep the container sealed to prevent contamination and minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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