(+)-α-Pinene
(+)-α-Pinene (CAS: 7785-70-8, Formula: C10H16, MW: 136.23) is a naturally occurring bicyclic monoterpene. It is a chiral building block with significant applications in chemical synthesis, particularly in the preparation of asymmetric hydroboration reagents. This alkene is a key component in various natural products and serves as a valuable precursor in organic chemistry research and industrial applications requiring stereoselective transformations.
- IUPAC
- (1R,5R)-2-Pinene,(1R,5R)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene
Chiral Hydroboration Reagents
(+)-α-Pinene is primarily employed in the synthesis of chiral hydroboration reagents. These reagents are crucial for stereoselective additions to alkenes and alkynes, enabling the formation of enantiomerically enriched alcohols and other functionalised compounds in organic synthesis.
Asymmetric Synthesis
As a naturally chiral molecule, (+)-α-Pinene serves as an excellent chiral pool starting material or auxiliary in asymmetric synthesis. Its well-defined stereochemistry can be transferred to target molecules, facilitating the creation of complex chiral structures.
Organic Synthesis Precursor
Beyond its use in specific reagents, (+)-α-Pinene acts as a versatile precursor for a variety of organic transformations. Its reactive double bond and bicyclic structure allow for diverse derivatisation pathways in the synthesis of natural products and fine chemicals.
| Molecular weight | 136.23 |
|---|---|
| Empirical formula | C10H16 |
| Assay | 98% |
| Boiling point | 155-156 °C(lit.) |
| Density | 0.858 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.465(lit.) |
| Optical activity | [α]22/D +47.1°, neat |
| Melting point | −62 °C(lit.) |
| Optical purity | ee: ≥91% (GLC) |
| Autoignition temp | 491 °F |
| Application | Employed in the preparation of chiral hydroboration reagents.1,2,3 |
Hazard statements
- H226Flammable liquid and vapour
- 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, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 33 °C / 91.4 °F |
| Transport (UN / ADR) | UN 2368 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| 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 (+)-α-Pinene used for?
+
(+)-α-Pinene is used in the preparation of chiral hydroboration reagents and as a chiral building block in asymmetric synthesis. It also serves as a precursor in general organic synthesis.
What are the CAS number and formula for (+)-α-Pinene?
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The CAS number for (+)-α-Pinene is 7785-70-8, and its molecular formula is C10H16.
What grade and purity does Tech Serve Solutions supply for (+)-α-Pinene?
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Tech Serve Solutions supplies (+)-α-Pinene with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should (+)-α-Pinene be handled safely?
+
(+)-α-Pinene is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection in well-ventilated areas.
Is (+)-α-Pinene regulated or controlled?
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The provided data does not indicate that (+)-α-Pinene is a controlled or scheduled substance. However, users should always verify local regulations.
How is (+)-α-Pinene packaged and exported?
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(+)-α-Pinene is shipped according to UN 2368 3 / PGIII regulations for flammable liquids. TSS exports globally, adhering to all relevant transport and customs requirements.
How can I request a quote or sample for (+)-α-Pinene?
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Please contact our sales team via our website or direct email to request a quote or sample for (+)-α-Pinene. Provide your contact details and the quantity required.
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