Description

Propargylaldehyde Diethyl Acetal is a versatile acetal-protected aldehyde derivative, serving as a crucial synthetic intermediate in advanced organic chemistry. Its value lies in the dual functionality of the acetal protecting group and the reactive propargyl moiety, enabling controlled reactivity in multi-step syntheses. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to build complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing heterocyclic or alkyne-functionalized structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where the propargyl group imparts specific biological activity.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds requiring protected aldehyde functionality.
• Material Science Research: Employed in the development of novel polymers, dendrimers, and functional materials via click chemistry or other alkyne-based coupling reactions.
• Academic & R&D Laboratories: A valuable reagent for methodological development in organic synthesis, including studies on acetal deprotection strategies and nucleophilic addition reactions.

Basic Information

Product Name	Propargylaldehyde Diethyl Acetal
CAS No.	10160-87-9
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	3-Butynal Diethyl Acetal; 3-Butyn-1-al Diethyl Acetal; Diethyl (3-Butynylidene) Orthoformate; Propargyl Aldehyde Diethyl Acetal; 1,1-Diethoxy-3-butyne; 3-Butynal, Diethyl Acetal; Propargylacetaldehyde Diethyl Acetal
EINECS	233-417-6

Quality Control

Our Propargylaldehyde Diethyl Acetal is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of GMP and ISO standards where applicable, supporting our commitment to supply reliability for critical B2B applications.

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 highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and concentration changes. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.415 - 1.425
Density (20°C)	0.90 - 0.95 g/mL

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