Fumaric Acid CAS 110-17-8
Food Additives 2025-03-20
Fumaric Acid (CAS 110-17-8) Overview
Fumaric acid, also known as trans-butenedioic acid, is a white crystalline organic compound with a strong acidic taste. Below is a concise overview of its key properties, applications, and safety information.
1. Basic Properties
| Parameter | Details |
|---|---|
| CAS Number | 110-17-8 |
| Chemical Formula | C₄H₄O₄ |
| Molecular Weight | 116.07 g/mol |
| Physical State | White crystals or powder |
| Density | 1.625 g/cm³ |
| Melting Point | 287–300 °C (sublimes) |
| Boiling Point | 355.5 °C at 760 mmHg |
| Solubility | Soluble in ethanol, slightly soluble in water, insoluble in chloroform |
2. Applications
| Field | Uses |
|---|---|
| Food Industry | Acidity regulator in beverages, candies, and jams |
| Polymer Manufacturing | Raw material for unsaturated polyester resins (coatings, plastics) |
| Pharmaceuticals | Intermediate in drug synthesis (e.g., iron fumarate for anemia treatment) |
| Chemical Reactions | Diels-Alder reactions, esterifications, and polymerization |
3. Safety Information
| Aspect | Details |
|---|---|
| Hazard Classification | Skin and eye irritant (GHS Category 2A for eye damage) |
| First Aid | Eye contact: Rinse with water for 15 minutes; seek medical attention |
| Fire Hazard | Combustible; forms explosive mixtures with air |
| Storage Conditions | Keep in a cool, dry place (<30 °C); avoid contact with oxidizers |
| Handling Precautions | Use gloves, goggles, and dust masks; ensure adequate ventilation |
4. Environmental & Stability
| Factor | Notes |
|---|---|
| Stability | Stable under normal conditions; decomposes at >230 °C |
| Eco-Toxicity | May harm aquatic ecosystems; avoid release to the environment |
| Waste Disposal | Incinerate or dispose of in accordance with local regulations |
This overview highlights fumaric acid’s versatility as an industrial chemical and its critical safety considerations. For further details, consult the material safety data sheet (MSDS).


