DL-Cystein
Bezeichnung:DL-Cystein
CAS-Nr3374-22-9
Englisch Name:DL-Cysteine
CBNumberCB6363851
SummenformelC3H7NO2S
Molgewicht121.16
MOL-Datei3374-22-9.mol
Synonyma
DL-Cystein
DL-Cystein physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 225 °C (dec.) (lit.) |
| Siedepunkt | 293.9±35.0 °C(Predicted) |
| Dichte | 1.197 (estimate) |
| Brechungsindex | 1.5130 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| Löslichkeit | Aqueous Acid (Sparingly), DMSO (Sightly), Water (Slightly) |
| Aggregatzustand | Powder |
| pka | 2.07±0.10(Predicted) |
| Farbe | White to off-white |
| Wasserlöslichkeit | Soluble in water (partly), 1 N HCl (25 mg/ml), ethanol, and acetic acid. Insoluble in acetone. |
| BRN | 1721406 |
| Stabilität | Stable. Incompatible with strong oxidizing agents, |
| LogP | 0.230 (est) |
| CAS Datenbank | 3374-22-9(CAS DataBase Reference) |
| NIST chemische Informationen | DL-Cysteine(3374-22-9) |
| Kennzeichnung gefährlicher | Xn,Xi,C |
| R-Sätze: | 20/21/22-36/37/38-22-35 |
| S-Sätze: | 26-36-37/39-45-36/37/39 |
| RIDADR | UN 2923 6.1(8) / PGIII |
| WGK Germany | 3 |
| RTECS-Nr. | HA1595000 |
| F | 8-10-23 |
| HS Code | 29309013 |
