Description

4-Chlorobutanal Diethyl Acetal is a versatile and reactive chemical intermediate featuring a protected aldehyde functional group. This compound is valued for its role in organic synthesis, where it serves as a key building block for constructing more complex molecular architectures. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications in medicinal chemistry and fine chemical production.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing chlorinated butyl or pyrrolidine moieties.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and insecticides where the chlorobutyl chain is incorporated into the final active molecule.
• Organic Synthesis Building Block: Serves as a protected form of 4-chlorobutanal, enabling controlled reactions in multi-step syntheses for complex organic molecules.
• Heterocyclic Chemistry: Employed in the construction of nitrogen-containing heterocycles, such as pyrrolidines and piperidines, which are common scaffolds in drug discovery.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Chemical Research & Development: Utilized in academic and industrial R&D labs for methodological studies and the exploration of new synthetic pathways.

Basic Information

Product Name	4-Chlorobutanal Diethyl Acetal
CAS No.	6139-83-9
Molecular Formula	C8H17ClO2
Molecular Weight	180.67 g/mol
Synonyms	1-Chloro-4,4-diethoxybutane; 4-Chlorobutyraldehyde Diethyl Acetal; Butanal, 4-chloro-, diethyl acetal; Diethyl (4-chlorobutylidene) acetal; 4-Chlorobutanal Diethyl Acetal; 4-Chlorobutane-1,1-diyl diethyl ether; 4-Chlorobutylaldehyde Diethyl Acetal
EINECS	Contact for details

Quality Control

Our 4-Chlorobutanal Diethyl Acetal is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 2°C and 8°C for extended stability, although the product is typically stable at controlled room temperature for shorter periods. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.425 - 1.435
Density (g/mL, 20°C)	1.00 - 1.05

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