Description

1,3-Dioxolane, 2,2,4-Trimethyl-4-(1-Methylethenyl)- is a specialized, highly volatile cyclic acetal derivative with a unique sterically hindered structure. This compound matters as a versatile chemical intermediate and solvent, offering reactivity and solvency properties valuable for advanced synthesis and formulation work. It is needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring a protected carbonyl equivalent or a high-performance solvent.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules, particularly where its dioxolane moiety acts as a protecting group for ketones or aldehydes.
• Agrochemical Synthesis: Serves as a key building block in the production of certain herbicides, fungicides, and plant growth regulators.
• Specialty Polymer & Resin Modifier: Employed to introduce specific functional groups or modify the properties of polymers, enhancing characteristics like adhesion or flexibility.
• High-Performance Solvent: Acts as a solvent for resins, coatings, and inks where rapid evaporation and specific solvency power are required.
• Fragrance & Flavor Chemistry: Utilized as a precursor or stabilizer in the synthesis of certain aroma chemicals.
• Crosslinking Agent: Can function in formulations designed to create crosslinked networks in coatings or adhesives.

Basic Information

Product Name	1,3-Dioxolane, 2,2,4-Trimethyl-4-(1-Methylethenyl)-
CAS No.	66334-61-0
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	2,2,4-Trimethyl-4-vinyl-1,3-dioxolane; 4-Ethenyl-2,2,4-trimethyl-1,3-dioxolane; Vinyltrimethyldioxolane; (1-Methylethenyl)-2,2,4-trimethyl-1,3-dioxolane; TMDD; Dioxolane derivative C9; Isobutenyl trimethyl dioxolane; 4-Vinyl-2,2,4-trimethyl-1,3-dioxolane
EINECS	Contact for details

Quality Control

Our 1,3-Dioxolane, 2,2,4-Trimethyl-4-(1-Methylethenyl)- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC and NMR analysis, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flame. Due to its highly volatile nature, keep container tightly sealed when not in use. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.2%
Refractive Index (n20/D)	1.428 - 1.432
Density (g/mL at 20°C)	0.930 - 0.950

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