| CAS No.: | 110-17-8 |
|---|---|
| Formula: | C4h4o4 |
| EINECS: | 203-743-0 |
|
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The monoclinic crystal system is colorless needle-like or leaf-like crystals with a sour taste of fruit. Slightly soluble in water, ether and acetic acid, soluble in ethanol. Almost insoluble in chloroform.
Synonyms: TMEDA; U-1149; fumaric; Fumarsure; FEMA 2488; FUMARSAEURE; MFCD00002700; Boletic acid; EINECS 203-743-0; ACIDUM FUMARICUM; RARECHEM AL BO 0142; TRANS-BUTENEDIOIC ACID; but-2-en-1,4-dioic acid; TRANS-2-BUTENEDIOIC ACID; TRANS-2-BUTEN-1,4-DIOIC ACID; TRANS-BUTENEDICARBOXYLIC ACID; TRANS-1,2-ETHYLENTRICARBOXYLIC ACID; TRANS-1,2-ETHYLENEDICARBOXYLIC ACID; (E)-but-2-enedioic acid
| 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 25ºC) |
| color | White |
| PH | 3.19(1 mM solution);2.57(10 mM solution);2.03(100 mM solution); |
| Odor | odorless |
Used in the manufacture of unsaturated polyester resins, pesticides and amino acids.
As an acidulant, mostly used in combination with citric acid. Can be used for raw wet products and fruit drinks.
Packaging Detail: 25 kg paper bag or as the request of customer.
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