trans-zimtsure
Bezeichnung:trans-zimtsure
CAS-Nr140-10-3
Englisch Name:trans-Cinnamic acid
CBNumberCB7345386
SummenformelC9H8O2
Molgewicht148.16
MOL-Datei140-10-3.mol
Synonyma
trans-zimtsure
trans-zimtsure physikalisch-chemischer Eigenschaften
Schmelzpunkt | 133 °C (lit.) |
Siedepunkt | 300 °C(lit.) |
Dichte | 1.248 |
Dampfdruck | 1.3 hPa (128 °C) |
Brechungsindex | 1.5049 (estimate) |
Flammpunkt | >230 °F |
storage temp. | 2-8°C |
Löslichkeit | 0.4g/l |
Aggregatzustand | Crystalline Powder |
pka | 4.44(at 25℃) |
Farbe | White to almost white |
Wichte | 0.91 |
Geruch (Odor) | Faint odour |
Säure-Base-Indikators(pH-Indikatoren) | 3 - 4 |
PH | 3-4 (0.4g/l, H2O, 20℃) |
Geruchsart | balsamic |
Wasserlöslichkeit | 0.4 g/L (20 ºC) |
maximale Wellenlänge (λmax) | 273nm(MeOH)(lit.) |
Kennzeichnung gefährlicher | Xi |
R-Sätze: | 36/37/38 |
S-Sätze: | 26-36-37/39 |
WGK Germany | 1 |
RTECS-Nr. | GD7850000 |
TSCA | Yes |
HS Code | 29163900 |
Toxizität | LD50 orally in Rabbit: 2500 mg/kg LD50 dermal Rabbit > 5000 mg/kg |
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