3β-Hydroxyurs-12-en-28-sure
Bezeichnung:3β-Hydroxyurs-12-en-28-sure
CAS-Nr77-52-1
Englisch Name:Ursolic acid
CBNumberCB7470516
SummenformelC30H48O3
Molgewicht456.7
MOL-Datei77-52-1.mol
Synonyma
3β-Hydroxyurs-12-en-28-sure
3β-Hydroxyurs-12-en-28-sure physikalisch-chemischer Eigenschaften
Schmelzpunkt | 292 °C (dec.) (lit.) |
alpha | 59 º (c=0.3, pyridine) |
Siedepunkt | 502.79°C (rough estimate) |
Dichte | 1.0261 (rough estimate) |
Brechungsindex | 1.4940 (estimate) |
storage temp. | 2-8°C |
Löslichkeit | Soluble in DMSO (up to 25 mg/ml with warming) |
Aggregatzustand | Crystalline Powder or Needles |
pka | 4.68±0.70(Predicted) |
Farbe | White to off-white |
Optische Aktivität | +6620 (c 1.4, C5H5N) |
Wasserlöslichkeit | insoluble |
Merck | 14,9890 |
BRN | 2228563 |
Stabilität | Stable for 1 year from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 2 months. |
LogP | 8.731 (est) |
CAS Datenbank | 77-52-1(CAS DataBase Reference) |
EPA chemische Informationen | Urs-12-en-28-oic acid, 3-hydroxy-, (3.beta.)- (77-52-1) |
Kennzeichnung gefährlicher | Xi |
R-Sätze: | 36/37/38 |
S-Sätze: | 24/25-36-26 |
WGK Germany | - |
RTECS-Nr. | YU9520000 |
F | 10-23 |
HS Code | 29181990 |
Giftige Stoffe Daten | 77-52-1(Hazardous Substances Data) |