The item under consideration is Cyclobutane-1,1-Dicarboxylic Acid, available in a 5-gram quantity. This compound falls within the category of Aliphatic Carboxylic Acids, specifically building blocks for synthesis. Its CAS Number is 5445-51-2. Please be aware that this substance carries a Danger signal word according to GHS classification, indicating potential hazards associated with its use. It's crucial to handle this chemical with care and follow appropriate safety measures.

• CAS Number: 5445-51-2
• 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]