This substance, identified as 4-Hydroxybenzoic Acid Methyl Ester, falls under the category of Other reference substances for High Performance Liquid Chromatography (HPLC). It has a Molecular Weight of 152.15 g/mol and is classified within the groups of Carboxylic acid esters, substituted and Hydroxy compounds, alcohols, substituted. According to its scientific name, Methyl 4-hydroxybenzoate, it may cause skin irritation, drowsiness or dizziness, and harm to aquatic life. Therefore, it carries a Warning GHS signal word.

• CAS Number: 99-76-3
• Molecular Formula: C8H8O3
• Molecular Weight: 152.15
• Exact Mass: 152.047344113
• Boiling Point: 270.5 °C (decomposes)
• Melting Point: ofp-hydroxybenzoic acid derived from the sample is 213 °C to 217 °C after drying for two hours at 80 °C
• GHS Signal Word: Warning
• Hazard Statements:
• H315 (53.8%): Causes skin irritation [Warning Skin corrosion/irritation]
• H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
• H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]