Description

Atropaldehyde is a versatile and reactive α,β-unsaturated aldehyde, also known as 2-Butenal, with the CAS registry number 4432-63-7. This compound serves as a valuable synthetic intermediate in organic chemistry, enabling the construction of complex molecular frameworks through reactions like Michael additions and cyclizations. It is particularly relevant for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors seeking to develop new active ingredients or specialty materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of various heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Organic Synthesis Research: A fundamental reagent in academic and industrial R&D for exploring new organic reactions and methodologies.
• Chemical Derivatization: Utilized for modifying other compounds to introduce aldehyde functionality or create conjugated systems.

Basic Information

Product Name	Atropaldehyde
CAS No.	4432-63-7
Molecular Formula	C4H6O
Molecular Weight	70.09 g/mol
Synonyms	2-Butenal; Crotonaldehyde; β-Methylacrolein; (E)-2-Butenal; Propylene aldehyde; 1-Formylpropene; 3-Methyl-2-propenal; trans-Crotonaldehyde
EINECS	224-647-7

Quality Control

Our Atropaldehyde is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with parameters including assay, identity confirmation, and impurity profiles. Our quality systems are designed to meet the stringent requirements of GMP and ISO standards for advanced chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its properties of being easily oxidized and light-sensitive, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Recommended storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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