(−)-β-Pinene
(−)-β-Pinene (CAS: 18172-67-3, C10H16) is a naturally occurring bicyclic monoterpene. It is a colourless liquid with a characteristic pine-like odour, commonly found in the essential oils of various plants. This chiral compound serves as a valuable building block in organic synthesis, particularly in the preparation of complex natural products and pharmaceuticals due to its specific stereochemistry.
- IUPAC
- (-)-beta-Pinene,(1S)-(−)-β-Pinene,(1S,5S)-2(10)-Pinene,(1S,5S)-6,6-Dimethyl-2-methylenebicyclo[3.1.1]heptane
- Synonyms
- (−)-β-Pinene(1S)-(−)-β-Pinene(1S,5S)-2(10)-Pinene(1S,5S)-6,6-Dimethyl-2-methylenebicyclo[3.1.1]heptane
Chiral Intermediate in Synthesis
(−)-β-Pinene is employed as a chiral intermediate in the synthesis of intricate natural products, including grandisol and robustadial. Its defined stereochemistry makes it a preferred starting material for creating complex molecular architectures.
Natural Product Synthesis
Its structure and chirality are exploited in the laboratory synthesis of various terpenes and related compounds found in nature. It is a fundamental component for chemists aiming to replicate or modify natural compounds.
Research and Development
Used in academic and industrial research settings for exploring new synthetic pathways and developing novel chemical entities. Its availability and well-defined properties support diverse R&D projects in organic chemistry.
| Molecular weight | 136.23 |
|---|---|
| Empirical formula | C10H16 |
| Assay | 99% |
| Boiling point | 165-167 °C(lit.) |
| Density | 0.859 g/mL at 25 °C |
| Refractive index | n20/D 1.478(lit.) |
| Optical activity | [α]20/D −21°, neat |
| Melting point | −61 °C(lit.) |
| Optical purity | ee: 97% (GLC) |
| Vapour pressure | ~2 mmHg (20 °C) |
| Vapour density | 4.7 (vs air) |
| Application | Chiral intermediate used in the preparation of natural products, such as grandisol1 and robustadial.2 |
Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- 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
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 36 °C / 96.8 °F |
| Transport (UN / ADR) | UN 2319 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 10-20/21/22-36/37/38-43-51-65 |
| Safety statements (S) | 16-26-36/37-46-61-62 |
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 (−)-β-Pinene used for?
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(−)-β-Pinene is primarily used as a chiral intermediate in the synthesis of natural products and complex organic molecules. It is also utilized in research and development for exploring new synthetic methodologies.
What is the CAS number and chemical formula for (−)-β-Pinene?
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The CAS number for (−)-β-Pinene is 18172-67-3, and its chemical formula is C10H16.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (−)-β-Pinene with an assay of 99% and optical purity of ee: 97%. This product is supplied for research and technical applications, and we do not represent it as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
How should (−)-β-Pinene be handled safely?
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(−)-β-Pinene is a flammable liquid and vapour (H226), harmful if swallowed, in contact with skin, or if inhaled (H302 + H312 + H332). It can cause skin irritation (H315), serious eye irritation (H319), respiratory irritation (H335), and may be fatal if swallowed and enters airways (H304). It may also cause an allergic skin reaction (H317). Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area away from ignition sources.
How is (−)-β-Pinene packed, shipped, and exported?
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We offer (−)-β-Pinene in various pack sizes suitable for laboratory and industrial use, adhering to all relevant shipping regulations for hazardous materials. TSS is a global supplier and exporter, experienced in international logistics.
How can I request a sample or quote for (−)-β-Pinene?
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To request a sample or obtain a quote for (−)-β-Pinene, please contact our sales team via the website or direct email, providing your specific requirements.
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