This Phthalic Anhydride product, with a molecular weight of 148.11 g/mol, is categorized under Aromatic Building Blocks. It has a Melting Point of 267.4°F and boils at 563°F (sublimation point). Due to its higher density compared to air, it will sink. This substance belongs to the Carboxylic acid anhydrides group. Safety precautions include wearing safety gloves, using safety goggles, and handling with caution as it may be harmful if swallowed. The CAS Number for this compound is 85-44-9.

• CAS Number: 85-44-9
• Molecular Formula: C8H4O3
• Molecular Weight: 148.11
• Exact Mass: 148.016043985
• Boiling Point: 563 °F at 760 mmHg (sublimes) (NTP, 1992)
• Melting Point: 267.4 °F (NTP, 1992)
• Vapour Density: 5.1 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Danger
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]