Fumaric Acid

Catalog	BBC110178
CAS	110-17-8
Structure
Synonyms	Allomaleic acid
IUPAC Name	(E)-But-2-enedioic acid
Molecular Weight	116.07
Molecular Formula	C4H4O4
Canonical SMILES	C(=CC(=O)O)C(=O)O
InChI	InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
InChI Key	VZCYOOQTPOCHFL-OWOJBTEDSA-N
Boiling Point	137.07 °C
Melting Point	298-300 °C(lit.)
Flash Point	230 °C
Purity	99%
Density	1.62 g/cm³
Solubility	Soluble in ethanol, concentrated sulfuric acid, slightly soluble in ethyl ether, acetone
Appearance	Solid
Storage	Store below +30 °C
pKa	pK1: 3.02, pK2: 4.38
Refractive Index	1.5260
Solubility in Water	6.3 g/L