The chemical substance identified as 4-Chlorophenol, with a Molecular Weight of 128.56 g/mol and CAS Number 106-48-9, belongs to the category of Aromatic Building Blocks. It is classified under Phenols, substituted and Chlorine compounds, organic substance groups. This compound has a Melting Point range of 109.8 to 110.7°F and a Boiling Point of 428°F at 760 mmHg. It is heavier than air, sinking due to its Vapour Density of 4.4. Workplace handling requires caution, as it may be corrosive to metals and harmful if swallowed. It is also toxic to aquatic life and should be handled accordingly. Safety measures include wearing safety goggles and gloves, and using appropriate personal protective equipment.

• CAS Number: 106-48-9
• Molecular Formula: C6H5ClO
• Molecular Weight: 128.55
• Exact Mass: 128.0028925
• Boiling Point: 428 °F at 760 mmHg (NTP, 1992)
• Melting Point: 109.8 to 110.7 °F (NTP, 1992)
• Vapour Density: 4.4 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Warning
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]
• H290 (38.9%): May be corrosive to metals [Warning Corrosive to Metals]
• H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
• H301: Toxic if swallowed [Danger Acute toxicity, oral]