(S)-(−)-β-Citronellol
(S)-(−)-β-Citronellol (CAS: 7540-51-4) is a chiral alcohol with the molecular formula C10H20O and a molecular weight of 156.27 g/mol. This optically active compound is valuable in organic synthesis, particularly as a building block for creating more complex chiral molecules. It finds applications in research settings for chemical synthesis and cell biology studies. TSS supplies this chemical with an assay of 99%.
- IUPAC
- β-Rhodinol,(S)-3,7-Dimethyl-6-octen-1-ol
- Synonyms
- (S)-3,7-Dimethyl-6-octen-1-olβ-Rhodinol

Chiral Building Block
As an enantiomerically pure compound, (S)-(−)-β-Citronellol serves as a crucial chiral building block in asymmetric synthesis. Its defined stereochemistry allows for the stereoselective construction of complex organic molecules in pharmaceutical and fine chemical research.
Organic Synthesis
This alcohol is utilised in various organic synthesis pathways. Its functional groups can be readily transformed, making it a versatile intermediate for the preparation of diverse chemical entities, including flavours, fragrances, and other specialty chemicals.
Research and Development
In academic and industrial research laboratories, (S)-(−)-β-Citronellol is employed in R&D for exploring new synthetic methodologies and biological pathways. Its presence in natural sources like citrus also makes it relevant for phytochemical investigations.
| Molecular weight | 156.27 |
|---|---|
| Linear formula | (CH3)2C=CHCH2CH2CH(CH3)CH2CH2OH |
| Assay | 99% |
| Boiling point | 225-226 °C(lit.) |
| Density | 0.856 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.456(lit.) |
| Optical activity | [α]20/D −5.3°, neat |
| Vapour pressure | ~0.02 mmHg (25 °C) |

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 | 99 °C / 210.2 °F |
| Water hazard class (WGK, DE) | 2 |
| 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 (S)-(−)-β-Citronellol used for?
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(S)-(−)-β-Citronellol is primarily used as a chiral building block in asymmetric synthesis and for general organic synthesis in research and development settings.
What is the CAS number and molecular formula for (S)-(−)-β-Citronellol?
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The CAS number is 7540-51-4 and the linear molecular formula is (CH3)2C=CHCH2CH2CH(CH3)CH2CH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(−)-β-Citronellol with an assay of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should (S)-(−)-β-Citronellol be handled?
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Handle (S)-(−)-β-Citronellol with care. It is classified as a warning substance, with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Use appropriate personal protective equipment such as eyeshields, gloves, and ensure adequate ventilation or use a suitable respirator.
Is (S)-(−)-β-Citronellol controlled or scheduled?
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The provided data does not indicate that (S)-(−)-β-Citronellol is a controlled or scheduled substance.
How is (S)-(−)-β-Citronellol packed, shipped, and exported?
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Tech Serve Solutions securely packs and exports (S)-(−)-β-Citronellol according to international shipping regulations for chemicals. Specific packaging details are available upon request.
How can I request a sample or quote for (S)-(−)-β-Citronellol?
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To request a sample or quote for (S)-(−)-β-Citronellol, please contact our sales department through the TSS website or by phone, providing your specific requirements.
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