Description

Benzaldehyde Diethyl Acetal CAS NO 774-48-1 is a versatile acetal derivative of benzaldehyde, valued for its stability and role as a protected aldehyde intermediate in organic synthesis. This compound is crucial for chemists requiring a masked formyl group that is stable to basic and nucleophilic conditions, which can be readily deprotected to regenerate the parent aldehyde. It is an essential building block for researchers and manufacturers in the pharmaceutical, fragrance, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Used as a key protected synthon in the multi-step synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Fragrance and Flavor Precursor: Serves as a starting material or intermediate for the synthesis of various aromatic compounds used in perfumery and flavorings.
• Organic Synthesis Reagent: Acts as a stable benzaldehyde equivalent in Grignard reactions, alkylations, and other transformations where the free aldehyde would be incompatible.
• Polymer Chemistry: Employed in the synthesis of specialty monomers and polymers requiring specific aromatic acetal functionalities.
• Agrochemical Research: Utilized as an intermediate in the development and production of certain pesticides and herbicides.
• Laboratory Research & Development: A valuable reagent for methodological development and scale-up processes in academic and industrial R&D settings.

Basic Information

Product Name	Benzaldehyde Diethyl Acetal
CAS No.	774-48-1
Molecular Formula	C11H16O2
Molecular Weight	180.24 g/mol
Synonyms	Benzaldehyde Diethyl Acetal; α,α-Diethoxybenzene; Benzaldehyde Ethyl Acetal; Diethyl Benzacetal; Benzeneacetaldehyde, Diethyl Acetal; 1,1-Diethoxy-1-phenylmethane; NSC 403697; Benzylidene Diethyl Acetal; Phenylacetaldehyde Diethyl Acetal (common misnomer)
EINECS	212-257-8

Quality Control

Our Benzaldehyde Diethyl Acetal is produced and handled under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee full traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (n20D)	1.480 - 1.490
Density (g/mL at 20°C)	0.980 - 1.010
Water Content (KF)	≤ 0.5%

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