Acetylsalicylic Acid presents a precisely defined set of physicochemical properties. It is an organic compound with the molecular formula C9H8O4, having a Molecular Weight of 180.16 g/mol. This compound exhibits a Melting Point of 135.0 °C and a Boiling Point of 140.0 °C, where it decomposes. The hazard signal word associated with this substance is Danger due to its potential harmfulness if ingested or inhaled. Vapour Density of 1.4 and classification as a carboxylic acid ester and carboxylic acid, both substituted.

• CAS Number: 50-78-2
• Molecular Formula: C9H8O4
• Vapour Density: 1.4
• Molecular Weight: 180.16
• Melting Point: 135.0 °C
• GHS Signal Word: Danger
• Exact Mass: 180.04225873
• Boiling Point: 140.0 °C — decomposes
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]
• H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]