Description

Propanal, 3,3-Diethoxy- is a versatile acetal derivative of propionaldehyde, widely recognized by its CAS number 6367-37-9. This compound serves as a crucial protected aldehyde synthon and key intermediate in sophisticated organic synthesis, offering enhanced stability for handling and storage compared to its parent aldehyde. It is essential for pharmaceutical manufacturers, agrochemical formulators, and fine chemical producers requiring high-purity building blocks for complex molecule assembly.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs containing propionaldehyde-derived side chains.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators where the protected aldehyde functionality is required for selective reactions.
• Fine Chemical Production: Employed as a building block for fragrances, flavors, and specialty polymers, leveraging its reactivity under controlled conditions.
• Organic Synthesis Reagent: Acts as a stable equivalent to propionaldehyde in Grignard reactions, nucleophilic additions, and reductive aminations, preventing side reactions.
• Chemical Research & Development: Utilized in academic and industrial R&D labs for method development and the exploration of new synthetic pathways.

Basic Information

Product Name	Propanal, 3,3-Diethoxy-
CAS No.	6367-37-9
Molecular Formula	C7H14O3
Molecular Weight	146.18 g/mol
Synonyms	3,3-Diethoxypropanal; 1,1-Diethoxy-2-ethanal; Propionaldehyde diethyl acetal; Propanal diethyl acetal; Diethyl acetal of malonaldehyde; NSC 66490; 2-Ethylacrolein diethyl acetal; Malonaldehyde diethyl acetal
EINECS	228-881-4

Quality Control

Our Propanal, 3,3-Diethoxy- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency 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 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%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.400 - 1.410
Density (20°C)	0.92 - 0.96 g/mL

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