2-Hydroxy-2-Butenedioic Acid
[CAS# 1115-67-9]

Identification

• Name: 2-Hydroxy-2-Butenedioic Acid
• Molecular Formula: C₄H₄O₅
• Molecular Weight: 132.07
• CAS Registry Number: 1115-67-9
• SMILES: OC(=O)C=C(O)C(O)=O
• InChI: 1S/C4H4O5/c5-2(4(8)9)1-3(6)7/h1,5H,(H,6,7)(H,8,9)
• InChIKey: UWYVPFMHMJIBHE-UHFFFAOYSA-N

Properties

• Density: 1.767g/cm³ (Cal.)
• Boiling point: 400.481°C at 760 mmHg (Cal.)
• Flash point: 210.165°C (Cal.)
• Refractive index: 1.587 (Cal.)