Description

Propionaldehyde Diethyl Acetal is a versatile acetal compound, primarily valued as a protected form of propionaldehyde and a key synthetic intermediate in organic chemistry. Its primary commercial value lies in its ability to act as a stable precursor for the controlled release of aldehydes under mild acidic conditions, which is crucial for multi-step synthesis. This makes it an essential reagent for manufacturers in the pharmaceutical, agrochemical, and fragrance industries seeking to perform complex reactions with high selectivity and yield.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) where the aldehyde functionality needs protection during other reaction steps.
• Agrochemical Synthesis: Serves as a key building block in the production of certain herbicides, pesticides, and plant growth regulators.
• Fragrance and Flavoring Agent: Employed as a precursor or a component in the creation of specific fruity and green aroma compounds.
• Organic Synthesis Reagent: Acts as a versatile reagent in Grignard reactions, nucleophilic additions, and other transformations requiring a masked aldehyde group.
• Polymer and Resin Modifier: Utilized in specialty polymer formulations to introduce specific functional groups or modify material properties.
• Crosslinking Agent: Can function in specific resin systems that require acetal-based crosslinking mechanisms.

Basic Information

Item	Detail
Product Name	Propionaldehyde Diethyl Acetal
CAS No.	4744-08-5
Molecular Formula	C7H16O2
Molecular Weight	132.20 g/mol
Synonyms	1,1-Diethoxypropane; Propionaldehyde Diethyl Acetal; Propane, 1,1-diethoxy-; Diethyl Propylidene Orthoformate; Propionaldehyde Diethyl Acetal; Propanal Diethyl Acetal; NSC 66433
EINECS	225-257-6

Quality Control

Our Propionaldehyde Diethyl Acetal is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets the high standards required for industrial and laboratory use. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents and acids. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.395 - 1.399
Density (20°C)	0.825 - 0.835 g/mL
Boiling Point	Approx. 124 - 126 °C

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