3-Pentanone

3-Pentanone, also known as diethyl ketone, is a symmetrical aliphatic ketone used as an organic solvent and synthetic building block. The carbonyl group provides polarity and chemical reactivity, while the two ethyl groups give compatibility with many organic materials. As a solvent it can help dissolve selected resins and organic compounds; as a reagent it supplies a defined ketone structure.

The clear liquid is distinct from 2-pentanone, whose carbonyl position gives a different molecular arrangement. The symmetry of 3-pentanone is relevant to synthetic routes involving the carbonyl or adjacent carbon atoms. Its volatility allows removal from suitable process mixtures, while limited water miscibility distinguishes its behavior from fully water-miscible ketone solvents.

Typical Applications

• Fine-chemical synthesis: Used as a carbonyl starting material in routes that require a diethyl ketone fragment. Carbonyl conversion or chemistry at the adjacent positions allows preparation of defined downstream structures.
• Specialty solvent blends: Used in compatible resin and organic-solute systems where an aliphatic ketone solvent is required. It contributes solvency and evaporation behavior within a multi-solvent formulation.

Specifications

Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.