Salicylaldehyde, also known as 2-hydroxybenzaldehyde, is an aromatic building block with a molecular weight of 122.12 g/mol and a Melting Point of 19.4°F. It belongs to the groups of substituted aldehydes and phenols. This compound requires safety precautions such as wearing protective eyewear due to its hazardous nature. The GHS signal word for salicylaldehyde is "Warning," indicating potential harm if swallowed or exposed to high concentrations. It has a Boiling Point of 386°F at 760 mmHg and a Vapour Density heavier than air, meaning it will sink rather than rise when released.

• CAS Number: 90-02-8
• Molecular Formula: C7H6O2
• Molecular Weight: 122.12
• Exact Mass: 122.036779430
• Boiling Point: 386 °F at 760 mmHg (USCG, 1999)
• Melting Point: 19.4 °F (USCG, 1999)
• Vapour Density: 4.2 (USCG, 1999) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Warning
• Hazard Statements:
• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H227: Combustible liquid [Warning Flammable liquids]