77485-20-2 2-Butenoic acid, potassium salt, (E)- 2-Butenoic acid, potassium salt, (E)- Catalog No.: 1434153 Name: 2-Butenoic acid, potassium salt, (E)- CAS: 77485-20-2 Formula: C4H6O2·K Inquire about this product →