The item under consideration is Coumarin, a lactone with a Molecular Weight of 146.15 g/mol, categorized as a Reference Substance for Gas Chromatography (GC). It belongs to the group of Phytochemicals and can be found within the broader category of Natural & Reference Materials on our platform. The Chemical Abstracts Service (CAS) number for this substance is 91-64-5. In the workplace, appropriate precautions should be taken, including the use of safety goggles, no smoking, no eating or drinking, and no unauthorized personnel allowed. The Boiling Point is 568°F at 760 mmHg, and it has a Melting Point between 154 to 158°F. This compound is considered dangerous, as per the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), due to its potential acute toxicity when ingested.

• CAS Number: 91-64-5
• Molecular Formula: C9H6O2
• Molecular Weight: 146.14
• Exact Mass: 146.036779430
• Boiling Point: 568 °F at 760 mmHg (NTP, 1992)
• Melting Point: 154 to 158 °F (NTP, 1992)
• Density: 0.935 at 68 °F (NTP, 1992) - Less dense than water; will float
• GHS Signal Word: Danger
• Hazard Statements:
• H301 (12.1%): Toxic if swallowed [Danger Acute toxicity, oral]
• H302: Harmful if swallowed [Warning Acute toxicity, oral]