CAS Number: 513-86-0 (or 53584-56-8, depending on sources) Molecular Formula: C4H8O2 Molecular Weight: 88.11 g/mol Appearance: Exists as a white crystalline powder (dimer) or a colorless to pale yellow liquid (monomer) Boiling Point: 148°C (or 143.6°C to 145.4°C, depending on sources) Usage: Common…