Fumaric Acid
Trans-butenedioic Acid
- CAS
- 110-17-8
- EC
- 203-743-0
- Food Code
- E297
- Sectors
- Food & Nutrition, Pharma & Healthcare, Coatings, Adhesives, Sealants & Elastomers
Fumaric Acid (CAS 110-17-8) is a white, odorless crystalline dicarboxylic acid that occurs naturally in many plants and fungi, and it is used as a food acidulant, as a resin intermediate and stabilizer in unsaturated polyester resins, and in pharmaceutical formulations.
Typical Properties
| Molecular formula | C4H4O4 |
|---|---|
| Molecular weight | 116.07 g/mol |
| Appearance | Fumaric acid is a colorless to white, odorless crystalline powder. Fruity-acidic taste. |
| Form | Fine Crystalline Powder |
| Color | White |
| Odor | odorless |
| Melting point | 200 °C (sublm) |
| Boiling point | 522 °C |
| Density | 1.635 g/cm³ @ Temp: 20 °C |
| Water solubility | 0.63 g/100 mL (25 °C) |
| Flash point | 230 °C |
| pH | 2.1 (4.9g/l, H2O, 20°C) |
| GHS signal word | Warning · Irritant / harmful |
| HS code | 29171900 |
| Grades available | Food Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Fumaric Acid
Applications
Used as a food acidulant, resin intermediate, and stabilizer in unsaturated polyester resins. Also applied in pharmaceutical formulations for psoriasis and multiple sclerosis treatment.
Safety & Risks
Low toxicity; may cause irritation in dust form. Avoid direct contact and store in dry environments.
Packaging
Delivered in 25 kg bags or fiber drums. Store sealed, cool, and protected from moisture.