The chemical substance identified as Vanillin, with a CAS Number of 121-33-5, falls under the category of Reference Substances for Gas Chromatography (GC). It is found within the broader classifications of Aldehydes, substituted, Phenols, substituted, and Oxy compounds, ethers, substituted. This compound has a Molecular Weight of 152.15 g/mol. In the workplace, it is essential to use safety goggles when handling this substance due to its potential hazards. The exact molecular formula for Vanillin is C3H4O4, with an exact mass of 104.01095860. It has a Boiling Point of 284°F at 760 mmHg (decomposes), a Melting Point of 276.1°F, and a density of 1.63 (denser than water; will sink). The GHS

• CAS Number: 121-33-5
• Molecular Formula: C3H4O4
• Molecular Weight: 104.06
• Exact Mass: 104.01095860
• Boiling Point: 284 °F at 760 mmHg (decomposes) (NTP, 1992)
• Melting Point: 276.1 °F (NTP, 1992)
• Density: 1.63 (NTP, 1992) - Denser than water; will sink
• GHS Signal Word: Danger
• Hazard Statements:
• H302 (47.2%): Harmful if swallowed [Warning Acute toxicity, oral]
• H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]