α,β-Thujone
α,β-Thujone (CAS: 76231-76-0) is a naturally occurring monoterpene ketone with the molecular formula C10H16O. It exists as two diastereomers, α-thujone and β-thujone. This compound serves as a valuable building block in organic synthesis and is used in the research and development of various chemical compounds. TSS offers this chemical with a technical grade, approximately 70% α-thujone and 10% β-thujone basis.
- IUPAC
- (−)-1-Isopropyl-4-methylbicyclo[3.1.0]hexan-3-one
- Synonyms
- (−)-1-Isopropyl-4-methylbicyclo[3.1.0]hexan-3-oneC10H16O

Organic Synthesis Intermediate
α,β-Thujone is utilised as a key intermediate in the synthesis of more complex organic molecules. Its unique bicyclic structure and ketone functionality make it a versatile starting material for various chemical transformations.
Research and Development
This compound is employed in laboratory settings for research purposes, including the exploration of new synthetic routes and the investigation of novel chemical entities. Its use is prevalent in academic and industrial R&D departments.
Building Block for Fine Chemicals
As a constituent of the monoterpene class, α,β-Thujone functions as an organic building block for the creation of fine chemicals. Its availability is crucial for chemists developing new molecular architectures.
| Molecular weight | 152.23 |
|---|---|
| Empirical formula | C10H16O |
| Assay | ~10% β-thujone basis~70% α-thujone basis |
| Grade | technical~70% α-thujone basis |
| Boiling point | 84-86 °C/17 mmHg(lit.) |
| Density | 0.925 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.455(lit.)n20/D 1.46 |
| Storage temperature | 2-8°C |


Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 64 °C / 147.2 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38-42/43 |
| Safety statements (S) | 23-26-36/37/39-45 |
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 α,β-Thujone used for?
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α,β-Thujone is primarily used as an intermediate in organic synthesis and as a building block in the development of fine chemicals and for research and development purposes.
What is the CAS number and formula for α,β-Thujone?
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The CAS number for α,β-Thujone is 76231-76-0 and its molecular formula is C10H16O.
What grade and purity does Tech Serve Solutions supply for α,β-Thujone?
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Tech Serve Solutions supplies α,β-Thujone with a technical grade, assaying approximately 70% α-thujone basis and 10% β-thujone basis. TSS does not represent this product as USP, BP, or EP grade.
How should α,β-Thujone be handled safely?
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α,β-Thujone is classified as Danger with hazards including toxicity (oral, dermal, inhalation), skin and eye irritation, and respiratory sensitisation. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling guidelines.
How is α,β-Thujone packed, shipped, and exported by TSS?
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α,β-Thujone is packed in accordance with international shipping regulations for hazardous materials (UN 2810, 6.1, PGIII). TSS is a specialist global supplier and exporter, experienced in handling and exporting fine chemicals worldwide.
How can I request a sample or quote for α,β-Thujone?
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To request a sample or a quotation for α,β-Thujone, please contact the TSS sales team via our website or direct email, providing your specific requirements.
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