Description

1,3-Dioxolane, 4-Ethynyl-2,4,5,5-Tetramethyl- is a specialized heterocyclic building block featuring a dioxolane ring and a reactive ethynyl group. This unique molecular structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical and agrochemical R&D teams for constructing novel active ingredients and by material scientists exploring new functional polymers and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting complex heterocycles.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure can impart specific biological activity.
• Polymer & Material Science: Serves as a functional monomer or cross-linking agent in the development of specialty polymers, resins, and advanced materials with tailored properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex molecular architectures via reactions involving its acetylene and acetal functionalities.
• Ligand & Catalyst Development: Useful for creating novel chelating ligands or organometallic complexes in catalysis research.
• Fine Chemical Production: Acts as a precursor in the multistep synthesis of high-value, low-volume specialty chemicals for various high-tech industries.

Basic Information

Product Name	1,3-Dioxolane, 4-Ethynyl-2,4,5,5-Tetramethyl-
CAS No.	122340-75-4
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	4-Ethynyl-2,2,4,5,5-pentamethyl-1,3-dioxolane; 2,2,4,5,5-Pentamethyl-4-ethynyl-1,3-dioxolane; 4-Ethynyl-2,4,5,5-tetramethyl-1,3-dioxolane; 1,3-Dioxolane, 4-ethynyl-2,2,4,5,5-pentamethyl-; Acetylene-functionalized dioxolane
EINECS	Contact for details

Quality Control

Our 1,3-Dioxolane, 4-Ethynyl-2,4,5,5-Tetramethyl- is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific project or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong acids, oxidizers, and heat sources. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%

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