Product Details
| Chinese name | Fumaric acid |
| Chinese synonyms | Fumaric acid; E-butenedioic acid; Don't use malic acid; Fumaric acid; Corydalis acid (fumaric acid); E) 2-butenediol; Fumaric acid (fumaric acid); Succinic acid, trans; Fumaric acid |
| CAS | 110-17-8 |
| Molecular formula | C ₄ H ₄ O ₄ |
| Molecular weight | 116.07 |
| EINECS | 203-743-0 |
| Structural formula | |
| 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) |
| FEMA | 2488 |FUMARIC ACID |
| Refractive Index | 1.5260 (estimate) |
| Flash point | 230 ° C |
| Storage conditions | Storage in environments below 30 ° C |
| Solubility | 95 %Ethanol: soluble 0.46 g/10 mL, clear, colorless |
| form | Fine Crystal Powder |
| Acidity Coefficient (pKa) | 3.02 , 4.38 (at 25 ℃) |
| Color | White |
| PH Value | 2.1 (4.9g/l, H2O, 20 ℃) |
| Explosive limit | 40 % |
| Water solubility | 0.63 g/100 mL (25 ºC) |
| JECFA Number | 618 |
| Merck | 14 , 4287 |
| BRN | 605763 |
| Stability | is stable at room temperature. Decompose at around 230 ℃. Incompatible with strong oxidants, alkalis, and reducing agents, flammable. |
| InChIKey | VZCYOOQTPOCHFL-OWOJBTEDSA-N |
| NIST Chemical substance information | Fumaric acid(110-17-8) |
| EPA Chemical substance information | Fumaric acid (110-17-8) |

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