4-Propoxybenzaldehyde

4-Propoxybenzaldehyde (CAS 5736-85-6) is a para-substituted aromatic aldehyde that serves as a versatile building block in organic synthesis. The propoxy group enhances solubility and reactivity, making it suitable for condensation reactions leading to complex functional molecules in fine chemical and pharmaceutical routes.

Basic Information

CAS No.	5736-85-6
EC No.	611-515-0
Linear Formula	C10H12O2
Molecular Weight	164.20
Appearance	Colorless to light orange to yellow clear liquid
Melting Point	Not available (typical reference)
Boiling point	129-130 °C/10 mmHg (lit.)
Density	1.039 g/mL at 25 °C (lit.)
Solubility	Soluble in common organic solvents; slightly soluble in water
Storage Conditions	Store under inert gas in a cool, dry place (<15 °C). Air sensitive; protect from light and moisture.
Chemical Structure

Key Applications

• Organic synthesis intermediate: 4-Propoxybenzaldehyde acts as a versatile aromatic aldehyde building block in condensation, addition, and derivatization reactions for constructing complex organic frameworks. It is relevant to  Alkoxy Propanols and Propylene Glycol Ethers for Pharmaceutical Synthesis, where alkoxy-substituted intermediates contribute useful reactivity and solubility characteristics in downstream synthesis.

• Fine chemical intermediate: This product is employed in fine chemical production to introduce the propoxyphenyl moiety into specialty compounds, advanced intermediates, and functional aromatic systems. Such applications fall within the broader alkoxy ether application category.

• Aromatic compound synthesis: 4-Propoxybenzaldehyde facilitates the synthesis of substituted aromatic molecules through reactions typical of benzaldehyde derivatives, supporting the preparation of specialty chemicals and pharmaceutical intermediates.

• Laboratory research: Widely used in academic and industrial research for synthetic methodology development, aromatic functionalization studies, and bioactive molecule design involving alkoxy-substituted benzaldehyde structures.

• Process development: Supports route optimization and scale-up in organic synthesis processes requiring reliable aromatic aldehyde intermediates with defined substitution patterns.

4-Propoxybenzaldehyde belongs to the Alkoxy Propanols & Glycol Ethers application category and is part of our broader portfolio of Ethers for Pharmaceutical Intermediates & Specialty Synthesis, covering ether-based intermediates, alkoxy-functionalized building blocks, and specialty synthesis products for API and fine chemical development.

• Flexible global supply: Stable export logistics support laboratory, pilot, and bulk procurement for fine chemical customers worldwide.

• SDS and COA support: SDS, COA, and full technical documentation provided upon request for quality review and international compliance.

• Packaging and technical service: Flexible packaging in 25L/200L HDPE drum, with responsive technical assistance for synthesis applications.