Description

2-Butynal Diethyl Acetal is a specialized acetal derivative of 2-butynal, serving as a valuable protected alkyne-aldehyde synthon in advanced organic synthesis. Its primary value lies in its ability to introduce both a reactive alkyne moiety and a masked aldehyde functionality, which can be selectively deprotected under mild acidic conditions. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and fine chemical industries, where it is used to construct complex molecular architectures, including heterocycles and natural product analogs.

Application

• Pharmaceutical Intermediates: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Manufacturing: Serves as a precursor for flavors, fragrances, and specialty performance chemicals.
• Material Science Research: Employed in the development of novel polymers and functional organic materials.
• Academic & R&D Laboratories: A crucial reagent for methodological development in organic chemistry and catalysis studies.

Basic Information

Product Name	2-Butynal Diethyl Acetal
CAS No.	2806-97-5
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	1,1-Diethoxy-2-butyne; 2-Butynal Diethyl Acetal; 2-Butynal Diethyl Acetal; 2-Butynal, Diethyl Acetal; Diethyl 2-Butynal Acetal; 1,1-Diethoxybut-2-yne; But-2-ynal Diethyl Acetal
EINECS	220-552-5

Quality Control

Our 2-Butynal Diethyl Acetal is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for GMP and research purposes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flame. Ensure containers are kept tightly sealed when not in use to prevent evaporation and potential contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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