Description

3,4-Pentadienal is a highly reactive, unsaturated aldehyde characterized by its conjugated diene and aldehyde functional groups. This unique structure makes it a valuable and versatile chemical building block for synthesizing complex organic molecules, particularly in pharmaceutical and fine chemical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel compounds and advanced intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a crucial building block for flavors, fragrances, and advanced material precursors.
• Academic & Industrial Research: Employed in organic synthesis, methodology development (e.g., cycloadditions), and material science research due to its reactive diene-aldehyde system.
• Polymer Chemistry: Can be investigated as a monomer or cross-linking agent for specialty polymers with unique properties.

Basic Information

Product Name	3,4-Pentadienal
CAS No.	4009-55-6
Molecular Formula	C5H6O
Molecular Weight	82.10 g/mol
Synonyms	Pentadienal; 1,2-Butadiene-4-carboxaldehyde; 3,4-Pentadien-1-al; Vinylallene aldehyde; 4-Pentadienal; 1,2-Butadiene-1-carboxaldehyde; (3,4-Pentadienyl)aldehyde
EINECS	223-672-9

Quality Control

Our 3,4-Pentadienal is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data from GC, HPLC, and NMR analyses. Our quality commitment ensures the material meets the high standards required for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and polymerization. Keep the container in a cool, dry, well-ventilated place away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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