Description

1,3-Dioxolane, 2-Ethylidene-4,4,5,5-Tetramethyl- is a specialized heterocyclic compound featuring a protected carbonyl group, making it a valuable building block in advanced organic synthesis. Its unique structure offers significant utility as a key intermediate for constructing complex molecules in pharmaceutical and agrochemical research. This high-purity chemical is essential for chemists and manufacturers in fine chemical, pharmaceutical, and material science industries seeking reliable, high-quality intermediates for complex synthetic routes.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of complex active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a key intermediate for manufacturing specialty chemicals, dyes, and functional materials.
• Material Science Research: Employed in the development of novel polymers, ligands, and advanced organic frameworks.
• Academic & R&D Laboratories: A valuable reagent for methodological development and exploratory organic synthesis in research institutions.
• Cross-Coupling Reactions: Utilized as a precursor or protected synthon in palladium-catalyzed and other metal-mediated coupling reactions.

Basic Information

Product Name	1,3-Dioxolane, 2-Ethylidene-4,4,5,5-Tetramethyl-
CAS No.	77428-91-2
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	2-Ethylidene-4,4,5,5-tetramethyl-1,3-dioxolane; 2-Ethylidene-4,4,5,5-tetramethyl-1,3-dioxolane; 4,4,5,5-Tetramethyl-2-ethylidene-1,3-dioxolane; 2-Ethylidene-4,4,5,5-tetramethyl-[1,3]dioxolane; Pinacolone Ethylene Ketal; 3-Pentanone, 2,2,3,3-tetramethyl-, cyclic ethylene ketal
EINECS	Contact for details

Quality Control

Our 1,3-Dioxolane, 2-Ethylidene-4,4,5,5-Tetramethyl- is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is 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, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Due to its nature as a highly volatile organic solvent, keep containers tightly sealed when not in use and store at controlled room temperature (typically 15-25°C).

Specification

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