Description

1,3-Dioxolane, 2-Ethyl-2-Ethynyl- (9Ci) is a specialized heterocyclic compound featuring a dioxolane ring with both ethyl and ethynyl substituents, offering unique reactivity and functional group compatibility. This compound serves as a valuable building block and intermediate in advanced organic synthesis, particularly for constructing complex molecular architectures. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for its versatile chemical properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring cyclic acetal or ketal functionalities.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for producing specialty polymers with tailored thermal or chemical resistance.
• Ligand & Catalyst Development: Employed in the creation of novel chelating ligands and organometallic catalysts for asymmetric synthesis.
• Fine Chemical Production: Intermediate for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial Research: A versatile reagent for methodological development and exploring new chemical reactions in organic chemistry.

Basic Information

Product Name	1,3-Dioxolane, 2-Ethyl-2-Ethynyl- (9Ci)
CAS No.	90935-45-8
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	2-Ethyl-2-ethynyl-1,3-dioxolane; 2-Ethynyl-2-ethyl-1,3-dioxolane; Ethyl ethynyl dioxolane; 1,3-Dioxolane, 2-ethyl-2-ethynyl-; 2-Ethyl-2-ethynyl-[1,3]dioxolane; Acetaldehyde, (1-ethynylethylidene)di-; (1-Ethynylethylidene)diacetaldehyde (cyclic acetal)
EINECS	Contact for details

Quality Control

Our 1,3-Dioxolane, 2-Ethyl-2-Ethynyl- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

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. 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%
Residue on Evaporation	≤ 0.1%

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