α-Pinene oxide

α-Pinene Oxide, CAS 1686-14-2, is a bicyclic epoxide derived from the natural terpene, $\alpha$-Pinene. It is a key intermediate in the specialty chemical industry, valued for its unique, strained three-membered epoxy ring structure. This structure makes it highly reactive, enabling its conversion into a wide range of valuable downstream chemicals, particularly in the fragrance and flavor sectors. It is typically a colorless to pale yellow, clear liquid.

Basic Information of α-Pinene Oxide

CAS No.:	1686-14-2
EC No.:	216-869-6
Linear Formula:	C10H16O
Molecular Weight:	152.23
Appearance:	Colorless to pale yellow clear liquid
Odor:	Characteristic fresh, piney, camphor-like odor
Boiling Point:	185 °C
Density:0.964 g/mL at 25 °C (lit.)	0.964 g/mL at 25 °C (lit.)
Solubility:	Immiscible with water; highly soluble in organic solvents (alcohol, ether, terpenes).
Flash Point:	150 °F
RIDADR:	3082 9/PG 3
Chemical Structure:

Application Overview

α-Pinene Oxide is a highly versatile chemical intermediate, primarily utilized for the selective synthesis of complex natural product derivatives:

• Fragrance and Aroma Chemicals: It is a key precursor for the synthesis of high-value fragrance molecules. Ring-opening and rearrangement reactions lead to compounds like campholenic aldehyde, which is, in turn, an essential starting material for several synthetic musk fragrances (e.g., Cyclacene) and sandalwood notes.

• Flavoring Agents: Derivatives of $\alpha$-Pinene Oxide are used to create specific minty, camphoraceous, or pine-like flavor notes for food and beverage applications, requiring high purity to meet regulatory standards.

• Pharmaceutical Intermediates: Its strained epoxide ring is easily opened by nucleophiles, enabling the stereoselective synthesis of complex chiral alcohols and amino-alcohols. These are critical intermediates in the development of certain drug candidates and pharmaceutical precursors.

• Polymer and Resins: It can be used as a co-monomer or reactive diluent in specialty polymer systems. The ring-opening polymerization of epoxides yields polyols, which are components of specialized polyurethane or epoxy resins, improving flexibility and adhesion.

• Fine Chemical Synthesis: The molecule is employed in asymmetric synthesis as a chiral auxiliary or starting material, where its inherent stereochemistry is transferred to the final product.

• Natural Origin Traceability: Our α-Pinene Oxide is synthesized from sustainably sourced natural $\alpha$-Pinene feedstock, providing full traceability from the natural source to the final product. This meets the growing consumer and regulatory demand for transparency in natural chemical supply chains.

• Specialized Stabilization Protocol: Terpene oxides can be sensitive to heat and light. We utilize custom-designed packaging and dark storage environments to prevent thermal and light-induced degradation, guaranteeing that the high-quality odor and reactivity profile are preserved throughout shipping and storage.

Hazards Classification

• GHS Classification: Acute Toxicity (GHS06)

• Hazard Statements: Highly harmful if swallowed or in contact with skin; may be harmful if inhaled.

• UN Number: UN 3082

• Hazard Class: 9

• Packing Group: III