Description

1,3-Dioxolane, 2-Methyl-2-(4-Pentynyl)- (9Ci) is a specialized heterocyclic compound featuring both a dioxolane ring and a terminal alkyne functional group, making it a versatile building block in advanced organic synthesis. This unique bifunctional structure is critical for developing complex molecules where controlled ring-opening and click chemistry are required. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel drug candidates, particularly those requiring acetal-protecting groups or alkyne handles for bioconjugation (e.g., via Huisgen cycloaddition).
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its reactive alkyne group enables the construction of complex heterocyclic scaffolds.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for producing specialty polymers with tailored properties, such as degradable acetal-based polymers or networks formed via alkyne-azide reactions.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) or homogeneous catalysis, leveraging the coordinating potential of the oxygen atoms and the alkyne.
• Fine Chemical Production: Utilized in multi-step synthetic routes for high-value fine chemicals and flavors & fragrances, where its functional groups allow for precise molecular assembly.

Basic Information

Product Name	1,3-Dioxolane, 2-Methyl-2-(4-Pentynyl)- (9Ci)
CAS No.	74066-96-9
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	2-Methyl-2-(4-pentynyl)-1,3-dioxolane; 4-Pentynyl-2-methyl-1,3-dioxolane; 2-(4-Pentynyl)-2-methyl-1,3-dioxolane; 2-Methyl-2-(pent-4-yn-1-yl)-1,3-dioxolane; Acetaldehyde, (4-pentyn-1-yl)-, cyclic acetal with ethylene glycol; (4-Pentynyl)acetaldehyde ethylene acetal
EINECS	Contact for details

Quality Control

Our 1,3-Dioxolane, 2-Methyl-2-(4-Pentynyl)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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