Description

2,2,5-Trimethyl-5-Phenyl-1,3-Dioxane is a specialized cyclic acetal compound, valued for its role as a versatile chemical intermediate and protecting group in advanced organic synthesis. Its unique structure, featuring a phenyl-substituted dioxane ring, makes it a critical building block for constructing complex molecules in research and development. This compound is primarily sought by fine chemical manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and fragrance industries.

Application

• As a key chiral intermediate in the synthesis of complex pharmaceutical actives.
• Utilized as a protecting group for carbonyl functionalities (e.g., aldehydes, ketones) in multi-step organic synthesis.
• Employed in the research and development of specialty agrochemicals and plant protection agents.
• Serves as a precursor or modifier in the creation of high-value fragrance and flavor compounds.
• Used in academic and industrial R&D for methodological studies in stereoselective synthesis.
• Acts as a building block for advanced material science applications, such as polymer modifiers.

Basic Information

Product Name	2,2,5-Trimethyl-5-Phenyl-1,3-Dioxane
CAS No.	69921-20-6
Molecular Formula	C13H18O2
Molecular Weight	206.28 g/mol
Synonyms	5-Phenyl-2,2,5-trimethyl-1,3-dioxane; 2,2,5-Trimethyl-5-phenyl-m-dioxane; Benzaldehyde, 2,2-dimethyltrimethylene acetal; 1,3-Dioxane, 2,2,5-trimethyl-5-phenyl-; (Phenyl)(2,2-dimethyltrimethylene) acetal
EINECS	Contact for details

Quality Control

Our 2,2,5-Trimethyl-5-Phenyl-1,3-Dioxane is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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