Description

3,3-Diethoxy-1-Propyne is a versatile acetylenic ether building block used in advanced organic synthesis. Its value lies in its ability to act as a protected form of propiolaldehyde, enabling the introduction of the ethoxyacetylene moiety into complex molecules under mild conditions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it serves as a key precursor for heterocyclic compounds, pharmaceuticals, and fine chemicals.

Application

• Pharmaceutical Intermediates: A crucial building block for synthesizing active pharmaceutical ingredients (APIs), particularly those containing heterocyclic structures like pyrazoles and isoxazoles.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, where its reactive triple bond allows for the creation of novel molecular scaffolds.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, including flavors, fragrances, and advanced materials like liquid crystals.
• Academic & Industrial Research: A valuable reagent in organic chemistry research for developing new synthetic methodologies and exploring novel chemical spaces.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the synthesis of specialty polymers with tailored properties.

Basic Information

Product Name	3,3-Diethoxy-1-Propyne
CAS No.	36678-60-1
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	1-Propyne, 3,3-diethoxy-; 3,3-Diethoxypropyne; Diethoxypropyne; Ethoxyacetylene diethyl acetal; 1,1-Diethoxy-2-propyne; Propiolaldehyde diethyl acetal; (Diethoxyethyl)acetylene
EINECS	253-154-1

Quality Control

Our 3,3-Diethoxy-1-Propyne is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Recommended storage temperature is 2-8°C to maintain stability and minimize volatility. Due to its properties, it should be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation and handled in a fume hood.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.