The chemical substance discussed is Acetic Acid N -Butyl Ester, categorized as a Solvent for HPLC. It belongs to the Carboxylic acid esters group with a molecular weight of 116.16 g/mol. In the workplace, it is labeled with several warnings such as "Prohibition label," "Caution - inflammable material," "Use safety goggles," and "Wear safety gloves." The recommended indicative occupational exposure limit value for the European Union is 8 hours limit value: 241 mg/m3 (50 ppm), and short term limit value: 723 mg/m3 (150 ppm) according to Directive 2019/1831/EU.

• CAS Number: 123-86-4
• Molecular Formula: C6H12O2
• Molecular Weight: 116.16
• Exact Mass: 116.083729621
• Boiling Point: 259.7 °F at 760 mmHg (NTP, 1992)
• Melting Point: -108.2 °F (NTP, 1992)
• Vapour Density: 4 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Warning
• Hazard Statements:
• H226: Flammable liquid and vapor [Warning Flammable liquids]
• H225: Highly Flammable liquid and vapor [Danger Flammable liquids]