4-Isobutoxybenzaldehyde

4-Isobutoxybenzaldehyde (CAS 16771-85-0) is a para-alkoxy substituted aromatic aldehyde that acts as a useful building block in organic synthesis. The isobutoxy substituent provides enhanced lipophilicity and influences reactivity in condensation and addition reactions commonly employed in fine chemical routes.

Basic Information

CAS No.	16771-85-0
EC No.	Not available
Linear Formula	C11H14O2
Molecular Weight	178.23
Appearance	Colorless to light yellow clear liquid
Melting Point	Not available (typical reference)
Boiling point	265-270 °C (lit.)
Density	1.02 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. Air sensitive; protect from light and moisture.
Chemical Structure

Key Applications

• Organic synthesis intermediate: 4-Isobutoxybenzaldehyde serves as a reactive aromatic aldehyde building block in condensation and addition reactions for assembling complex organic structures. It is relevant to Alkoxy Propanols and Propylene Glycol Ethers for Pharmaceutical Synthesis, where alkoxy-substituted intermediates contribute to reactivity control and solubility tuning in downstream synthesis.

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

• Functional molecule construction: Enables the synthesis of substituted aromatic systems through standard benzaldehyde transformations, supporting the design of functional molecules and pharmaceutical intermediates with tailored properties.

• Laboratory research: Applied in academic and industrial research for synthetic methodology development, aromatic functionalization, and exploration of bioactive molecule candidates.

• Process development: Supports route optimization and scale-up activities requiring consistent and reliable aromatic aldehyde intermediates with defined substitution patterns.

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

• Flexible global supply: Reliable international logistics provide stable supply from lab-scale to bulk quantities for fine chemical manufacturers worldwide.

• SDS and COA support: Comprehensive SDS, COA, and technical documentation are available on request to meet sourcing and regulatory needs.

• Packaging and technical service: Packaging options include 25L/200L HDPE drum with responsive technical support for synthesis-related inquiries.