4-Hydroxybenzoic Acid Ethyl Ester is a chemically defined substance with a molecular formula of C9H10O3 and a molecular weight of 166.17. It has a Boiling Point of 297-298 °C (decomposition), and a Melting Point of 213 °C to 217 °C when isolated by acidification and not recrystallised, followed by vacuum drying in a sulphuric acid desiccator. The hazard signal word for this compound is Danger due to its potential toxicity and aspiration hazard.

• CAS Number: 120-47-8
• GHS Signal Word: Danger
• Boiling Point: 297-298 °C (decomposition)
• Melting Point: ofp-hydroxybenzoic acid isolated by acidification and not recrystallised: 213 °C to 217 °C, after vacuum drying in a sulphuric acid desiccator
• Molecular Weight: 166.17
• Molecular Formula: C9H10O3
• Exact Mass: 166.062994177
• Hazard Statements:
• H304: May be fatal if swallowed and enters airways [Danger Aspiration hazard]
• H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]