Description

4-Phenylbutanal is a versatile aromatic aldehyde intermediate with significant value in fine chemical synthesis. Its structure makes it a key building block for the production of pharmaceuticals, agrochemicals, and high-value fragrance compounds. This product is essential for R&D and manufacturing chemists in the pharmaceutical, flavor & fragrance, and specialty chemical industries seeking to create complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with phenylalkylamine backbones.
• Fragrance and Flavor Synthesis: Serves as a starting material for creating musk-like odorants and other aromatic compounds used in perfumery and food flavorings.
• Agrochemical Production: Used in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in Grignard reactions, reductive amination, and condensation reactions to form more complex molecules for research and development.
• Liquid Crystal and Polymer Chemistry: Acts as a monomer or intermediate in the synthesis of specialty polymers and liquid crystal materials.

Basic Information

Product Name	4-Phenylbutanal
CAS No.	18328-11-5
Molecular Formula	C10H12O
Molecular Weight	148.20 g/mol
Synonyms	4-Phenylbutyraldehyde; Benzenebutanal; γ-Phenylbutyraldehyde; 4-Phenylbutyraldehyde; 4-Phenylbutanal-1; Phenylbutanal; Butanal, 4-phenyl-; NSC 406925; 4-Phenylbutyric aldehyde
EINECS	242-207-8

Quality Control

Our 4-Phenylbutanal is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support our global clients with documentation relevant to REACH and other regulatory frameworks.

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; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen) to preserve quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (n20D)	1.5180 - 1.5220
Specific Gravity (20/4°C)	1.005 - 1.025

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