The chemical substance under discussion is Acetic Acid Isobutyl Ester (CAS: 110-19-0), a reference material for Gas Chromatography (GC). It falls within the category of Carboxylic acid esters and is commonly known as Isobutyle acetate. This compound has a Molecular Weight of 116.16 g/mol. In the workplace, it requires specific handling due to its flammability, with precautions such as no open flames, no smoking, and use of safety equipment like goggles and gloves being necessary. The European Union has established recommended exposure limits for this substance, with an 8-hour limit value of 241 mg/m3 (50 ppm) and a short-term limit value of 723 mg/m3 (150 ppm).

• CAS Number: 110-19-0
• Molecular Formula: C6H12O2
• Molecular Weight: 116.16
• Exact Mass: 116.083729621
• Boiling Point: 243.1 °F at 760 mmHg (USCG, 1999)
• Melting Point: -142.8 °F (USCG, 1999)
• Density: 4.0 (Air = 1)
• GHS Signal Word: Danger
• Hazard Statements:
• H225: Highly Flammable liquid and vapor [Danger Flammable liquids]