This 2.5 L glass container holds a mixture of xylene isomers, identified by the CAS Number 1330-20-7. It falls under the category of hydrocarbons, aromatic substances. The workplace requires specific precautions, including no open flames, no unauthorized personnel, caution against inflammability, use of safety goggles, and wearing safety gloves. The recommended occupational exposure limit values for this substance, as per Directive 2000/39/EC, are 8 hours limit value: 221 mg/m3 (50 ppm) and short term limit value: 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]