Description

4,4’-(1,9-Nonanediyl)Dioxydibenzaldehyde is a high-purity, symmetrical dialdehyde compound characterized by a long-chain alkyl spacer. This specific molecular architecture makes it a valuable and versatile bifunctional building block for advanced organic synthesis. It is primarily sought after by R&D and production teams in the pharmaceutical intermediates, polymer chemistry, and specialty materials sectors for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring specific chain length and symmetry.
• Polymer Crosslinking Agent: Used to create crosslinked polymer networks, such as epoxy resins or polyurethanes, enhancing thermal stability and mechanical properties.
• Liquid Crystal Synthesis: Acts as a core monomer for producing mesogenic compounds with tailored alkyl chain lengths for display and optical applications.
• Macrocyclic Ligand Preparation: Employed in the synthesis of crown ether analogs and other macrocyclic compounds for catalysis or ion recognition.
• Organic Semiconductor Research: Investigated as a building block for conjugated molecules and polymers in organic electronic devices.
• Specialty Chemical Synthesis: Functions as a versatile dialdehyde for Schiff base formation, leading to ligands, chelating agents, and functional materials.

Basic Information

Product Name	4,4’-(1,9-Nonanediyl)Dioxydibenzaldehyde
CAS No.	87367-64-4
Molecular Formula	C23H28O4
Molecular Weight	368.47 g/mol
Synonyms	p,p'-(Nonane-1,9-diyl)dioxy)dibenzaldehyde; 1,9-Bis(4-formylphenoxy)nonane; 4,4'-(Nonane-1,9-diylbis(oxy))dibenzaldehyde; Nonamethylenedioxybis(4-benzaldehyde); Bis(4-formylphenyl) nonanedioxy ether; 4,4'-Diformyldiphenyl nonanedioxy ether
EINECS	Contact for details

Quality Control

Our production of 4,4’-(1,9-Nonanediyl)Dioxydibenzaldehyde adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment and is available upon request.

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). Due to its sensitivity to oxidation, it is recommended to handle under an inert atmosphere for long-term storage or after opening.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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