Description

2,4-Pentadienal CAS NO 764-40-9 is a highly reactive, unsaturated dialdehyde that serves as a versatile building block in organic synthesis. Its conjugated system makes it a valuable intermediate for constructing complex molecular frameworks, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing active ingredients, flavors, fragrances, and advanced materials who require a reliable source of high-purity specialty chemicals.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Industry: Serves as a precursor for creating specific aldehydic and fruity notes in perfumery and flavor compositions.
• Polymer & Material Science: Acts as a cross-linking agent or monomer in the development of specialty polymers and resins.
• Organic Synthesis Research: Employed in Diels-Alder reactions and other cycloadditions to form complex organic structures in R&D laboratories.
• Chemical Reference Standard: Used as an analytical standard in quality control and research laboratories.

Basic Information

Product Name	2,4-Pentadienal
CAS No.	764-40-9
Molecular Formula	C5H6O
Molecular Weight	82.10 g/mol
Synonyms	Glutaconaldehyde; 1,3-Pentadiene-1,5-dial; 2,4-Pentadien-1-al; Glutaconic aldehyde; Pentadienal; trans,trans-2,4-Pentadienal
EINECS	212-121-2

Quality Control

Our 2,4-Pentadienal is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen) to prevent oxidation. Keep away from heat, sparks, and open flame. Isolate from incompatible materials such as strong oxidizing agents, strong bases, and reducing agents.

Specification

Item	Specification
Appearance	Clear, 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.