Description

4,4-Diethoxybutan-2-One is a versatile organic compound with a ketone functionality protected by ethoxy groups. This chemical structure makes it a valuable protected synthon and key intermediate in complex organic synthesis, particularly for the construction of heterocycles and fine chemicals. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity building blocks for advanced R&D and production.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing pyridine, piperidine, or other nitrogen-containing heterocycles.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its protected carbonyl group allows for selective reactions.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other specialty organic compounds requiring specific ketone chemistry under controlled conditions.
• Academic & Industrial Research: A valuable reagent in methodological development and exploratory synthesis for new chemical entities and materials.
• Chemical Synthesis Building Block: Utilized in multi-step organic synthesis as a masked 1,4-dicarbonyl equivalent, enabling complex molecular architectures.

Basic Information

Product Name	4,4-Diethoxybutan-2-One
CAS No.	20082-91-1
Molecular Formula	C8H16O3
Molecular Weight	160.21 g/mol
Synonyms	1,1-Diethoxy-3-butanone; 3-Oxo-1,1-diethoxybutane; Acetoacetaldehyde Diethyl Acetal; Diethyl Acetoacetal; Butan-2-one, 4,4-diethoxy-; 3-Ketobutyraldehyde Diethyl Acetal; Acetylacetaldehyde Diethyl Acetal
EINECS	243-522-8

Quality Control

Our 4,4-Diethoxybutan-2-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing including assay, identity confirmation, and impurity profiling to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) documenting purity, physical properties, and test results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon to preserve product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.410 - 1.420
Density (g/mL, 20°C)	0.950 - 0.980

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