This 2.5 L glass container holds a mixture of xylene isomers, identified as Xylene, mixture of isomers (CAS: 1330-20-7). It falls under the substance group Hydrocarbons, aromatic. In the workplace, it requires various safety measures such as no open flames, no smoking, and use of safety goggles and gloves. 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]