2,2,6,6-Tetramethyl-3,5-heptanedione

CAS 1118-71-4C11H20O2Chemical Synthesis

2,2,6,6-Tetramethyl-3,5-heptanedione (CAS: 1118-71-4) is a diketone with the molecular formula C11H20O2 and a molecular weight of 184.28 g/mol. This organic compound is a key building block and is valuable in chemical synthesis. It has applications in creating complex organic molecules, including its use in the preparation of alpha-aryl-beta-diketones and specific diruthenium complexes. Its physical properties include a boiling point of 72-73 °C/6 mmHg and a density of 0.883 g/mL at 25 °C.

IUPAC: Dipivaloylmethane
Synonyms: Dipivaloylmethane6-Tetramethyl-3,5-heptanedione

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2,2,6,6-Tetramethyl-3,5-heptanedione (C11H20O2) — chemical structure, CAS 1118-71-4; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC11 to C12Carbonyl CompoundsChemical SynthesisKetones

01 /Applications

Synthesis of Alpha-Aryl-Beta-Diketones

2,2,6,6-Tetramethyl-3,5-heptanedione serves as a precursor in the synthesis of alpha-aryl-beta-diketones. These compounds are important intermediates in organic chemistry and medicinal chemistry research.

Preparation of Diruthenium Complexes

This diketone has been utilised in the synthesis of specific diruthenium complexes, such as dicyanamidobenzene-bridge diruthenium complex. Such complexes are explored for their catalytic and material science properties.

Organic Building Block

As a versatile organic building block, 2,2,6,6-Tetramethyl-3,5-heptanedione finds application in various complex molecule syntheses. Its structure facilitates diverse chemical transformations.

02 /Properties

Molecular weight	184.28
Linear formula	(CH3)3CCOCH2COC(CH3)3
Assay	≥98%
Boiling point	72-73 °C/6 mmHg(lit.)
Density	0.883 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.459(lit.)
Application	2,2,6,6-tetramethyl-3,5-heptanedione was used in the synthesis of α-aryl-β-diketones1 and dicyanamidobenzene-bridge diruthenium complex2.

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	67 °C / 152.6 °F
Transport (UN / ADR)	NA 1993 / PGIII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1118-71-4

MDL number

MFCD00008848

PubChem substance

24849563

Beilstein registry

1447269

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 2,2,6,6-Tetramethyl-3,5-heptanedione used for?

2,2,6,6-Tetramethyl-3,5-heptanedione is used in chemical synthesis, including the preparation of alpha-aryl-beta-diketones and diruthenium complexes, serving as a valuable organic building block.

What are the CAS number and molecular formula?

The CAS number for 2,2,6,6-Tetramethyl-3,5-heptanedione is 1118-71-4, and its molecular formula is C11H20O2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2,2,6,6-Tetramethyl-3,5-heptanedione with an assay of ≥98%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.

How should 2,2,6,6-Tetramethyl-3,5-heptanedione be handled safely?

Warning: Harmful if swallowed (H302). Recommended personal protective equipment includes eyeshields, face shields, gloves, and appropriate respiratory protection. Refer to the Safety Data Sheet for comprehensive handling guidelines.

How is this chemical packed, shipped, and exported?

Tech Serve Solutions expertly packs and handles chemicals for global export, adhering to all relevant shipping regulations. Specific packaging details are available upon request.