Structure via PubChem · Public domain (PubChem)
crotonic acid
Sign in to saveAlso known as trans-2-butenoic acid, alpha-butenoic acid, beta-methylacrylic acid, 3-methylacrylic acid, beta-methacrylic acid, 2-butenoic acid, (E)-but-2-enoic acid, BEO
chemical compound
Chemical data
- Formula
- C4H6O2
- Molecular weight
- 86.09 g/mol
- IUPAC name
- (E)-but-2-enoic acid
- SMILES
- C/C=C/C(=O)O
- InChIKey
- LDHQCZJRKDOVOX-NSCUHMNNSA-N
- XLogP
- 0.7
- Polar surface area
- 37.3 Ų
- H-bond donors
- 1
- H-bond acceptors
- 2
- Formal charge
- 0
via PubChem
Wikidata facts
- Has part
- hydrogen
- Mass
- 86.037
Show 10 more facts
- Commons category
- Crotonic acid
- described by source
- Encyclopædia Britannica 11th edition
- chemical formula
- C₄H₆O₂
- isomeric SMILES
- C/C=C/C(=O)O
- canonical SMILES
- CC=CC(=O)O
- pKa
- 4.69
- melting point
- 72.0
- different from
- croconic acid
- ionization energy
- 9.90
- boiling point
- 184.7
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