Compound Q&A
What are the physical and chemical properties of (2E)-4-Ethoxy-4-oxo-2-butenoic acid (CAS: 2459-05-4)?
Answer
(2E)-4-Ethoxy-4-oxo-2-butenoic acid is a white crystalline solid with a molecular weight of approximately 146.17 g/mol. It is slightly soluble in water and soluble in organic solvents like ethanol and acetone. The compound is known for its low reactivity under normal conditions but can undergo hydrolysis in the presence of water. It has a pKa of about 2.5, making it acidic. This compound is used in various applications due to its chemical stability and reactivity.
About
CAS No
2459-05-4
English Name
(2E)-4-Ethoxy-4-oxo-2-butenoic acid
Molecular Formula
C6H8O4
Molecular Weight
144.13 g/mol
SMILES
CCOC(=O)C=CC(=O)O
InChIKey
XLYMOEINVGRTEX-ONEGZZNKSA-N
Last Updated: 2025-09-08 00:42
