The product under consideration is Xylene, a mixture of isomers with a Molecular Weight of 106.17 g/mol, classified as a hydrocarbon, aromatic in nature. It falls under the category of Reference Substances for GC (Gas Chromatography). According to the provided data, this substance requires specific handling precautions such as wearing safety goggles and gloves, and prohibiting open flames, smoking, and unauthorized personnel from entering the workspace. The recommended occupational exposure limit values, 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]