Product Description
Fumaric acid appears as a white, odourless granular substance or crystalline powder. It is soluble in alcohol, slightly soluble in water and ether, and only sparingly soluble in chloroform.
It is widely applied as a substitute for tartaric acid and delivers a clean, tart acidic taste with no perceptible odour.
Fumaric acid may be manufactured by glucose fermentation using certain fungi including Rhizopus nigricans, or via the oxidation of furfural with sodium chlorate in the presence of vanadium pentoxide.
Properties
| Melting point | 298-300 °C (subl.) (lit.) |
| Boiling point | 137.07°C (rough estimate) |
| density | 1.62 |
| vapor pressure | 1.7 mm Hg ( 165 °C) |
| refractive index | 1.5260 (estimate) |
| FEMA | 2488 | FUMARIC ACID |
| Fp | 230 °C |
| storage temp. | Store below +30°C. |
| solubility | 95% ethanol: soluble0.46g/10 mL, clear, colorless |
| form | Fine Crystalline Powder |
| pka | 3.02, 4.38(at 25℃) |
| color | White |
| PH | 3.19(1 mM solution);2.57(10 mM solution);2.03(100 mM solution); |
| Odor | odorless |
| Odor Type | odorless |
| biological source | synthetic |
| explosive limit | 0.4 |
| Water Solubility | 0.63 g/100 mL (25 ºC) |
| Merck | 144287 |
| JECFA Number | 618 |
| BRN | 605763 |
| Stability: | Stable at room temperature. Decomposes at around 230 C. Incompatible with strong oxidizing agents, bases, reducing agents. Combustible. |
| InChIKey | VZCYOOQTPOCHFL-OWOJBTEDSA-N |
| LogP | -4.02 at 20℃ |
| CAS DataBase Reference | 110-17-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Fumaric acid(110-17-8) |
| EPA Substance Registry System | Fumaric acid (110-17-8) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36 |
| Safety Statements | 26 |
| RIDADR | UN 9126 |
| WGK Germany | 1 |
| RTECS | LS9625000 |
| Autoignition Temperature | 375 °C |
| TSCA | Yes |
| HS Code | 29171900 |
| Hazardous Substances Data | 110-17-8(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 9300 mg/kg LD50 dermal Rabbit 20000 mg/kg |
Product Application
Within the food industry, it acts as an acidulant, preservative, fungicide and antioxidant for products including carbonated beverages, wine, powdered drink mixes, and ice cream. It imparts a pleasant sour taste, enhances flavour, and extends the shelf life of finished goods.
In the pharmaceutical field, fumaric acid serves as a synthetic intermediate for manufacturing multiple pharmaceutical products, among which are detoxifying agents such as dimercaptosuccinic acid capsules and ferrous fumarate preparations. It is also employed in the production of fine chemicals, for instance optical brightening agents and other specialty chemical items.
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