| Formula / Notation | C4H4O4 |
|---|---|
| CAS Number | 110-17-8 |
| Molecular Weight | 116.07 |
| Melting Point | 572 to 576 °F (NTP, 1992) |
| Boiling Point | 329 °F at 1.7 mmHg ; sublimes (NTP, 1992) |
| Density | 1.635 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | less than 1 mg/mL at 72 °F (NTP, 1992) |
| Appearance | Fumaric acid appears as a colorless crystalline solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread to the environment. Combustible, though m... |
| Also Known As | (E)-but-2-enedioic acid; 110-17-8; trans-Butenedioic acid; Allomaleic acid; Lichenic acid; Boletic acid; (2E)-but-2-enedioic acid; Tumaric acid; trans-1,2-Ethylenedicarboxylic acid; (E)-2-Butenedioic acid |
| Category | Acids |
What is Fumaric acid?
Fumaric acid is a butenedioic acid in which the C=C double bond has E geometry. It is an intermediate metabolite in the citric acid cycle. It has a role as a geroprotector, a food acidity regulator and a fundamental metabolite. It is a conjugate acid of a fumarate(1-).
Formula & Notation
IUPAC Name: (E)-but-2-enedioic acid
Other Names / Synonyms: (E)-but-2-enedioic acid; 110-17-8; trans-Butenedioic acid; Allomaleic acid; Lichenic acid; Boletic acid; (2E)-but-2-enedioic acid; Tumaric acid; trans-1,2-Ethylenedicarboxylic acid; (E)-2-Butenedioic acid
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 572 to 576 °F (NTP, 1992) |
| Boiling Point | 329 °F at 1.7 mmHg ; sublimes (NTP, 1992) |
| Density | 1.635 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 116.07 |
| Solubility | less than 1 mg/mL at 72 °F (NTP, 1992) |
| Appearance | Fumaric acid appears as a colorless crystalline solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread to the environment. Combustible, though m... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Fumaric acid is a butenedioic acid in which the C=C double bond has E geometry. It is an intermediate metabolite in the citric acid cycle. It has a role as a geroprotector, a food acidity regulator and a fundamental metabolite. It is a conjugate acid of a fumarate(1-).
Used in industrial chemical synthesis, fertilizer production, battery electrolytes, metal processing, and laboratory acid-base reactions.
Corrosive. Causes severe burns to skin, eyes, and respiratory tract. Wear appropriate PPE including gloves, goggles, and lab coat. Consult SDS before use.
The formula or notation for Fumaric acid is: C4H4O4