The item in question is (-)-α-Pinene, a natural phytochemical available as a 100 mg reference substance for gas chromatography (GC). It falls under the category of Reference Substances for GC within our Natural & Reference Materials collection. Its CAS Number is 7785-26-4. This compound has a molecular formula of C10H16 and a molecular weight of 136.23 g/mol. It exhibits a Boiling Point of 313.2°F at 760 mmHg (NTP, 1992), and a Melting Point of -67°F (NTP, 1992). The Vapour Density is 4.7 (NTP, 1992), indicating that it is heavier than air and will sink. Due to its flammability, skin irritation potential, and harmful effects if swallowed, appropriate safety measures should be taken when handling this substance,

• CAS Number: 7785-26-4
• Molecular Formula: C10H16
• Molecular Weight: 136.23
• Exact Mass: 136.125200510
• Boiling Point: 313.2 °F at 760 mmHg (NTP, 1992)
• Melting Point: -67 °F (NTP, 1992)
• Vapour Density: 4.7 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Danger
• Hazard Statements:
• H226 (97.6%): Flammable liquid and vapor [Warning Flammable liquids]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H302: Harmful if swallowed [Warning Acute toxicity, oral]