Cytosin
Bezeichnung:Cytosin
CAS-Nr71-30-7
Englisch Name:Cytosine
CBNumberCB3746093
SummenformelC4H5N3O
Molgewicht111.1
MOL-Datei71-30-7.mol
Synonyma
Cytosin
Cytosin physikalisch-chemischer Eigenschaften
Schmelzpunkt | >300 °C (lit.) |
Siedepunkt | 208.2°C (rough estimate) |
Dichte | 0,48 g/cm3 |
Brechungsindex | 1.5000 (estimate) |
storage temp. | 2-8°C |
Löslichkeit | Clear to very slightly hazy colorless to faint yellow solution at 50 mg/ml in 0.5 M HCL. |
Aggregatzustand | Crystalline Powder |
pka | 4.60, 12.16(at 25℃) |
Farbe | White to slightly yellow |
Wasserlöslichkeit | soluble |
Merck | 14,2795 |
BRN | 2637 |
Stabilität | Stable. Incompatible with strong oxidizing agents. |
InChIKey | OPTASPLRGRRNAP-UHFFFAOYSA-N |
LogP | -1.962 (est) |
CAS Datenbank | 71-30-7(CAS DataBase Reference) |
NIST chemische Informationen | 2(1H)-Pyrimidinone, 4-amino-(71-30-7) |
EPA chemische Informationen | 2(1H)-Pyrimidinone, 4-amino- (71-30-7) |
Kennzeichnung gefährlicher | Xi,Xn |
R-Sätze: | 36/37/38-20/21/22 |
S-Sätze: | 26-36-37/39 |
WGK Germany | 1 |
RTECS-Nr. | UW7350150 |
Hazard Note | Irritant |
TSCA | Yes |
HS Code | 29335910 |
Cytosin Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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