Description

2,5,5-Trimethyl-2-Phenyl-1,3-Dioxane is a specialized cyclic acetal compound with a unique aromatic-substituted dioxane structure. This chemical matters as a versatile intermediate and building block, offering a protected carbonyl functionality that is valuable in multi-step synthetic pathways. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fragrance industries for the synthesis of complex organic molecules.

Application

• As a key protected intermediate in the multi-step synthesis of pharmaceutical active ingredients (APIs).
• Utilized in agrochemical research for the development of novel herbicides, fungicides, and plant growth regulators.
• Serves as a fragrance precursor and fixative component in the formulation of high-end perfumes and cosmetic products.
• Acts as a specialty monomer or cross-linking agent in the development of advanced polymeric materials with specific release properties.
• Employed in academic and industrial R&D for methodological studies in organic synthesis and catalysis.
• Used as a standard or reference compound in analytical chemistry for method development and quality control laboratories.

Basic Information

Product Name	2,5,5-Trimethyl-2-Phenyl-1,3-Dioxane
CAS No.	5406-58-6
Molecular Formula	C13H18O2
Molecular Weight	206.28 g/mol
Synonyms	2-Phenyl-2,5,5-trimethyl-1,3-dioxane; Benzaldehyde, 2,2-dimethyltrimethylene acetal; 1,3-Dioxane, 2,5,5-trimethyl-2-phenyl-; Acetaldehyde, (2,2-dimethyltrimethylene) phenyl-; (2,2-Dimethyltrimethylene) phenyl acetal; Phenylacetaldehyde 2,2-dimethyltrimethylene acetal
EINECS	226-476-3

Quality Control

Our 2,5,5-Trimethyl-2-Phenyl-1,3-Dioxane is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with detailed specifications, including assay by GC or HPLC, and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates for research and development.

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). Due to its highly volatile nature, ensure containers are securely sealed when not in use to prevent evaporation and potential concentration changes. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.485 - 1.495
Density (g/mL, 20°C)	1.010 - 1.030

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