Description

1,3-Dioxane, 5-Ethynyl-2,2-Dimethyl- (9Ci) is a specialized heterocyclic organic compound featuring a dioxane ring with an ethynyl substituent, serving as a valuable building block and intermediate in advanced chemical synthesis. Its unique structure makes it a critical precursor for developing complex molecules, including pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for R&D laboratories and production facilities focused on innovative organic synthesis and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for complex heterocyclic targets.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, leveraging its reactive ethynyl group.
• Material Science Research: Serves as a monomer or precursor in the synthesis of specialty polymers, resins, and advanced organic materials.
• Chemical Research & Development: A versatile building block for constructing complex molecular architectures in academic and industrial R&D settings.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for metal-organic frameworks (MOFs) or catalytic systems.
• Fine Chemical Production: An intermediate in the multi-step synthesis of high-value, low-volume specialty chemicals.

Basic Information

Product Name	1,3-Dioxane, 5-Ethynyl-2,2-Dimethyl- (9Ci)
CAS No.	102573-86-4
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	5-Ethynyl-2,2-dimethyl-1,3-dioxane; 2,2-Dimethyl-5-ethynyl-1,3-dioxane; 5-Ethynyl-2,2-dimethyl-m-dioxane; 1,3-Dioxane, 5-ethynyl-2,2-dimethyl-; 102573-86-4; 5-Ethynyl-2,2-dimethyl-1,3-dioxan; 2,2-Dimethyl-5-ethinyl-1,3-dioxan
EINECS	Contact for details

Quality Control

Our 1,3-Dioxane, 5-Ethynyl-2,2-Dimethyl- (9Ci) is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every batch, detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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