2,2,6,6-Tetramethyl-3,5-heptanedione, also known as 2,2-dimethyl-4,4-dioxane-3,5-dione. The structure of 2,2,6,6-tetramethyl-3,5-heptanedione is a four-membered ring system consisting of two oxygen atoms, a methyl group and a heptane group. The chemical formula for this compound is C11H20O2. It has a molecular weight of 184.28 g/mol and a melting point of 400 °C. It is a four-membered ring system that is found in many natural and synthetic compounds.

2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONE | CAS 1118-71-4

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Chemical Uses


2,2,6,6-Tetramethyl-3,5-heptanedione is a clear colorless to slightly yellow liquid at room temperature. It is odorless and practically insoluble in water. Its melting point is 400 °C and its boiling point is 72-73 °C. It is a versatile organic molecule used in a wide variety of applications, from pharmaceuticals to agriculture to food processing. As a diketone, it is used as a flavoring and fragrance agent, an antioxidant, a plasticizer, and a corrosion inhibitor.

Chemical Properties:

Clear colorless to slightly yellow Liquid


2,2,6,6-Tetramethyl-3,5-heptanedione can be used in various industrial and technological processes. It is used as an intermediate in the production of pharmaceuticals, dyes, and amino acids. It is also used in the manufacture of polymers and as a catalyst in organic synthesis.

In addition to its uses in industry, 2,2,6,6-tetramethyl-3,5-heptanedione can also be used in the laboratory. It is used as a starting material in the synthesis of other compounds, and it can also be used as a reagent in chemical reactions.

Chemical Properties

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Clear colorless to slightly yellow Liquid



Storage conditions:

Sealed in dry,Room Temperature

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Tags: (CH3)3CCOCH2COC(CH3)3; 2,2,6,6-Tetramethylheptanedione; 2,2,6,6-tetramethyl-5-heptanedione;TMHD; DIPIVALOYLMETHANE; 2,2,6,6Chemicalbook-TETRAMETHYL-3,5-HEPTANEDIONEDIPIVALOYLMETHANE; 2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONE; 2,2,6,6-TETRAMETHYLHEPTANE-3,5-DIONE

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