Fumarsure
Bezeichnung:Fumarsure
CAS-Nr110-17-8
Englisch Name:Fumaric acid
CBNumberCB5852804
SummenformelC4H4O4
Molgewicht116.07
MOL-Datei110-17-8.mol
Synonyma
Fumarsure
(E)-2-Butendis?ure
trans-1,2-Ethylendicarbons?ure
Fumarsure physikalisch-chemischer Eigenschaften
Schmelzpunkt | 298-300 °C (subl.) (lit.) |
Siedepunkt | 137.07°C (rough estimate) |
Dichte | 1.62 |
Dampfdruck | 1.7 mm Hg ( 165 °C) |
Brechungsindex | 1.5260 (estimate) |
FEMA | 2488 | FUMARIC ACID |
Flammpunkt | 230 °C |
storage temp. | Store below +30°C. |
Löslichkeit | 95% ethanol: soluble0.46g/10 mL, clear, colorless |
Aggregatzustand | Fine Crystalline Powder |
pka | 3.02, 4.38(at 25℃) |
Farbe | White |
PH | 3.19(1 mM solution);2.57(10 mM solution);2.03(100 mM solution); |
Geruch (Odor) | odorless |
Geruchsart | odorless |
Explosionsgrenze | 40% |
Wasserlöslichkeit | 0.63 g/100 mL (25 ºC) |
Merck | 14,4287 |
Kennzeichnung gefährlicher | Xi |
R-Sätze: | 36 |
S-Sätze: | 26 |
RIDADR | UN 9126 |
WGK Germany | 1 |
RTECS-Nr. | LS9625000 |
Selbstentzündungstemperatur | 375 °C |
TSCA | Yes |
HS Code | 29171900 |
Giftige Stoffe Daten | 110-17-8(Hazardous Substances Data) |
Toxizität | LD50 orally in Rabbit: 9300 mg/kg LD50 dermal Rabbit 20000 mg/kg |
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