Description

trans-2-Butenal Diethyl Acetal is a high-purity, highly volatile acetal derivative of crotonaldehyde, serving as a versatile and reactive chemical intermediate. Its primary value lies in its ability to act as a protected aldehyde group, enabling controlled synthesis in complex organic transformations. This compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and fragrance industries, where it is used to build complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and plant growth regulators.
• Flavor and Fragrance Ingredient: Serves as a precursor for aroma chemicals and flavoring agents due to its reactive aldehyde functionality.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for Grignard reactions, nucleophilic additions, and as a masked aldehyde source.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in specialty polymer formulations.
• Chemical Research: Valuable for method development and exploring new synthetic pathways in fine chemistry.

Basic Information

Product Name	trans-2-Butenal Diethyl Acetal
CAS No.	63511-92-2
Molecular Formula	C8H16O2
Molecular Weight	144.21 g/mol
Synonyms	(E)-2-Butenal Diethyl Acetal; Crotonaldehyde Diethyl Acetal; trans-Crotonaldehyde Diethyl Acetal; 1,1-Diethoxy-2-butene; 2-Butenal, Diethyl Acetal, (2E)-; Diethyl (2E)-2-buten-1-ylidene Acetal; But-2-enal Diethyl Acetal
EINECS	Contact for details

Quality Control

Our trans-2-Butenal Diethyl Acetal is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC and NMR analysis, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.405 - 1.415
Density (20°C)	0.85 - 0.90 g/mL

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