Description

4-Octadecyloxybenzaldehyde is a high-purity, long-chain alkyloxy-substituted benzaldehyde derivative, serving as a critical intermediate in advanced organic synthesis. Its molecular structure, featuring an octadecyloxy chain, makes it a valuable building block for creating specialized surfactants, liquid crystals, and functional polymers. This compound is essential for R&D and production in the fine chemical, advanced materials, and pharmaceutical industries, where precise molecular architecture is required.

Application

• Liquid Crystal Synthesis: A key precursor in the production of thermotropic liquid crystals for display technologies.
• Specialty Surfactants & Emulsifiers: Used to synthesize non-ionic surfactants with specific hydrophobic-lipophilic balance (HLB) properties.
• Polymer Modification: Acts as a monomer or cross-linking agent for creating polymers with tailored surface properties.
• Organic Synthesis Intermediate: Serves as a versatile starting material for synthesizing more complex aldehydes, acids, and heterocyclic compounds.
• Photoresist & Electronic Chemicals: Employed in the development of advanced photoresist materials for semiconductor manufacturing.
• Pharmaceutical Intermediates: Used in the research and development of novel active pharmaceutical ingredients (APIs).

Basic Information

Product Name	4-Octadecyloxybenzaldehyde
CAS No.	4105-95-7
Molecular Formula	C25H42O2
Molecular Weight	374.60 g/mol
Synonyms	p-Octadecyloxybenzaldehyde; 4-(Octadecyloxy)benzaldehyde; Benzaldehyde, 4-(octadecyloxy)-; Stearyloxybenzaldehyde; Octadecyl 4-formylphenyl ether
EINECS	Contact for details

Quality Control

Our 4-Octadecyloxybenzaldehyde is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A 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, well-ventilated place at room temperature (15-25°C). This material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	68 - 72 °C

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