2,6-Dimethyl-2,5-heptadien-4-one

CAS 504-20-1(CH3)2C=CHCOCH=C(CH3)2Chemical Synthesis

2,6-Dimethyl-2,5-heptadien-4-one (CAS 504-20-1) is a diketone with the linear formula (CH₃)₂C=CHCOCH=C(CH₃)₂ and a molecular weight of 138.21 g/mol. This organic compound serves as a versatile building block and intermediate in chemical synthesis. Its chemical structure, featuring conjugated double bonds and a central carbonyl group, makes it valuable for constructing more complex organic molecules in research and industrial applications.

IUPAC: Phorone,sym-Diisopropylideneacetone
Synonyms: 504-20-1, (CH3)2C=CHCOCH=C(CH3)2, Phorone, sym-Diisopropylideneacetone

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2,6-Dimethyl-2,5-heptadien-4-one ((CH3)2C=CHCOCH=C(CH3)2) — chemical structure, CAS 504-20-1; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksCarbonyl CompoundsChemical SynthesisKetones

01 /Applications

Chemical Synthesis Intermediate

Utilised as a precursor or intermediate in the synthesis of various organic compounds. Its reactive sites allow for diverse chemical transformations.

Organic Building Block

Serves as a fundamental component in the construction of larger organic structures. It is employed in the development of novel chemical entities.

Research and Development

A valuable reagent for research laboratories exploring new synthetic pathways and developing novel materials. Useful in academic and industrial R&D settings.

02 /Properties

Molecular weight	138.21
Linear formula	(CH3)2C=CHCOCH=C(CH3)2
Assay	95%
Grade	technical
Boiling point	198-199 °C(lit.)
Density	0.885 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.497(lit.)
Melting point	23-26 °C(lit.)
Vapour pressure	0.38 mmHg (20 °C)1 mmHg (42 °C)
Vapour density	4.8 (vs air)

03 /Safety & handling

Protective equipment	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	79 °C / 174.2 °F
Transport (UN / ADR)	NA 1993 / PGIII
Water hazard class (WGK, DE)	3

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

04 /Identifiers & registry

CAS number

504-20-1

MDL number

MFCD00008901

PubChem substance

24887448

Beilstein registry

1699751

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 2,6-Dimethyl-2,5-heptadien-4-one used for?

2,6-Dimethyl-2,5-heptadien-4-one is primarily used as an intermediate and building block in organic chemical synthesis and research.

What is the CAS number and formula for 2,6-Dimethyl-2,5-heptadien-4-one?

The CAS number is 504-20-1, and the linear formula is (CH₃)₂C=CHCOCH=C(CH₃)₂.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2,6-Dimethyl-2,5-heptadien-4-one in technical grade with an assay of 95%. This product is not represented as USP, BP, or EP grade.

How should 2,6-Dimethyl-2,5-heptadien-4-one be handled safely?

Handle with appropriate personal protective equipment including eyeshields and gloves. Ensure adequate ventilation and use suitable respiratory protection, such as an ABEK respirator filter, in accordance with its flammability and potential irritant properties.