2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde
2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde (CAS: 472-66-2) is an organic compound with the molecular formula C11H18O and a molecular weight of 166.26 g/mol. This aldehyde serves as a valuable building block in organic synthesis. It has been specifically utilised in the preparation of natural products like (±)-aeginetolide and (±)-dihydroactinidiolide, showcasing its importance in complex molecule construction.
- IUPAC
- β-Homocyclocitral
- Synonyms
- 472-66-2C11H18Obeta-Homocyclocitral

Synthesis of Natural Products
This compound is a key intermediate in the synthesis of natural products such as (±)-aeginetolide and (±)-dihydroactinidiolide. Its structure lends itself to the construction of cyclic terpene derivatives.
Organic Building Block
As an aldehyde and a cyclic terpene derivative, 2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde functions as a versatile building block for creating more complex organic molecules.
Chemical Research
Utilised in academic and industrial research laboratories for exploring novel synthetic pathways and developing new chemical entities.
| Molecular weight | 166.26 |
|---|---|
| Empirical formula | C11H18O |
| Assay | 80% |
| Grade | technical grade |
| Boiling point | 58-59 °C/0.4 mmHg(lit.) |
| Density | 0.941 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.485(lit.) |
| Application | 2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde has been used in the synthesis of (±)-aeginetolide and (±)-dihydroactinidiolide1. |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 88 °C / 190.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde used for?
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2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde is used as a building block in organic synthesis, notably in the preparation of natural products such as (±)-aeginetolide and (±)-dihydroactinidiolide.
What is the CAS number and molecular formula?
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The CAS number is 472-66-2, and the molecular formula is C11H18O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a technical grade with an assay of 80%. We do not represent it as USP, BP, or EP grade.
How should this chemical be handled safely?
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This compound may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure good ventilation.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde.
How can I request a sample or quote?
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Please contact our sales team via the website or direct email to request a sample or a formal quotation for 2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde.
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