This 2.5 L glass container holds a mixture of xylene isomers with a molecular weight of 106.17 g/mol, classified as a hydrocarbon, aromatic substance. It requires safety measures such as no open flames, no smoking, and the use of safety goggles and gloves due to its flammability and potential health hazards. The recommended indicative occupational exposure limit value for the European Union is an 8-hour limit value of 221 mg/m3 (50 ppm) and a short-term limit value of 442 mg/m3 (100 ppm).

• CAS Number: 1330-20-7
• Molecular Formula: CH4O
• Molecular Weight: 32.042
• Exact Mass: 32.026214747
• Boiling Point: 148.3 °F at 760 mmHg (NTP, 1992)
• Melting Point: -144 °F (NTP, 1992)
• Vapour Density: 1.11 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Danger
• Hazard Statements:
• H225: Highly Flammable liquid and vapor [Danger Flammable liquids]
• H351 (100%): Suspected of causing cancer [Warning Carcinogenicity]