Description

4-Methoxyphenylacetaldehyde is a versatile aromatic aldehyde intermediate prized for its unique chemical structure. This compound is essential for synthesizing complex molecules, particularly in the fragrance and pharmaceutical sectors, where it serves as a key building block for active ingredients and aroma chemicals. Industries including fine chemicals, flavor & fragrance, and agrochemical research rely on its consistent quality and reactivity to develop new products and enhance existing formulations.

Application

• Fragrance and Flavor Ingredient: A key intermediate in the synthesis of floral and sweet aroma chemicals, such as heliotropin derivatives.
• Pharmaceutical Intermediate: Used in the research and production of active pharmaceutical ingredients (APIs), particularly those with methoxyphenyl moieties.
• Agrochemical Synthesis: Serves as a precursor in the development of certain herbicides and plant growth regulators.
• Fine Chemical Building Block: Employed in organic synthesis for creating complex molecules in research and development laboratories.
• Liquid Crystal and Polymer Chemistry: Utilized as a monomer or intermediate in the synthesis of specialty polymers and advanced materials.

Basic Information

Product Name	4-Methoxyphenylacetaldehyde
CAS No.	5703-26-4
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	p-Methoxyphenylacetaldehyde; 2-(4-Methoxyphenyl)acetaldehyde; 4-Methoxybenzeneacetaldehyde; (4-Methoxyphenyl)ethanal; Homoveratraldehyde (less common); NSC 406925; FEMA 4682; 4-Methoxybenzeneethanal
EINECS	227-179-6

Quality Control

Our 4-Methoxyphenylacetaldehyde is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC/HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C. This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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