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2,6,6-Trimethyl-2-cyclohexene-1,4-dione

CAS 1125-21-9C9H12O2Chemical Synthesis

2,6,6-Trimethyl-2-cyclohexene-1,4-dione (CAS: 1125-21-9) is a cyclic diketone with the molecular formula C9H12O2 and a molecular weight of 152.19 g/mol. This compound serves as a valuable building block in organic synthesis. Its dicarbonyl structure offers multiple reactive sites for further chemical transformations, making it a useful intermediate in the preparation of more complex molecules within research and development settings.

IUPAC
4-Oxoisophorone,Ketoisophorone
Synonyms
4-dione4-OxoisophoroneKetoisophorone
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2,6,6-Trimethyl-2-cyclohexene-1,4-dione (C9H12O2) — chemical structure, CAS 1125-21-9; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksCarbonyl CompoundsChemical SynthesisKetones
01 /Applications

Organic Synthesis Intermediate

Utilised as a versatile building block in the synthesis of complex organic molecules. Its dione functionality allows for diverse chemical modifications and reactions.

Research and Development

Employed in R&D laboratories for the exploration of new chemical pathways and the development of novel compounds. Suitable for academic and industrial research.

Fine Chemical Manufacturing

Acts as a precursor or intermediate in the production of fine chemicals and specialised materials. Its structural features are valuable for targeted synthesis.

02 /Properties
Molecular weight152.19
Empirical formulaC9H12O2
Assay≥96.0% (GC)
Gradepurum
Boiling point222 °C(lit.)92-94 °C/11 mmHg(lit.)
Refractive indexn20/D 1.491(lit.)
Melting point26-28 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

Hazard statements

  • H302Harmful if swallowed
  • H317May cause an allergic skin reaction

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
Protective equipmentdust mask type N95 (US), Eyeshields, Faceshields, Gloves
Flash point94 °C / 201.2 °F
Transport (UN / ADR)UN 2811 6.1 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)22-43
Safety statements (S)26-36/37

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

04 /Identifiers & registry
CAS number
1125-21-9
MDL number
MFCD00043119
PubChem substance
24889659
Beilstein registry
2207030
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 2,6,6-Trimethyl-2-cyclohexene-1,4-dione used for?

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2,6,6-Trimethyl-2-cyclohexene-1,4-dione (CAS: 1125-21-9) is primarily used as a building block and intermediate in organic synthesis and research and development settings.

What is the CAS number and formula for 2,6,6-Trimethyl-2-cyclohexene-1,4-dione?

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The CAS number is 1125-21-9 and the empirical formula is C9H12O2.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 2,6,6-Trimethyl-2-cyclohexene-1,4-dione in 'purum' grade with an assay of ≥96.0% (GC). We do not represent this product as USP, BP, or EP grade.

What are the main safety hazards associated with this compound?

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This compound is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H302 (Harmful if swallowed) and H317 (May cause an allergic skin reaction). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, faceshields, and gloves, should be used. Ensure adequate ventilation.

How is this chemical packed, shipped, or exported?

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Tech Serve Solutions offers this chemical in various pack sizes suitable for laboratory and industrial use, adhering to international shipping regulations for hazardous materials. We are experienced global suppliers and exporters.

How can I request a sample or quote for 2,6,6-Trimethyl-2-cyclohexene-1,4-dione?

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To request a sample or a quote, please contact our sales team through the website or by phone. Please provide your specific requirements and delivery details.

Need 2,6,6-Trimethyl-2-cyclohexene-1,4-dione in a specific grade or volume?