2-Butinsure
Bezeichnung:2-Butinsure
CAS-Nr590-93-2
Englisch Name:2-Butynoic acid
CBNumberCB6194374
SummenformelC4H4O2
Molgewicht84.07
MOL-Datei590-93-2.mol
Synonyma
2-Butinsure
2-Butinsure physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 78-80 °C (lit.) |
| Siedepunkt | 200-203°C |
| Dichte | 0,9641 g/cm3 |
| Brechungsindex | 1.3918 (estimate) |
| Flammpunkt | 200-203°C |
| storage temp. | Sealed in dry,2-8°C |
| Löslichkeit | water: soluble50mg/mL, clear to very slightly hazy, colorless to very faintly yellow |
| Aggregatzustand | Powder |
| pka | 2.62(at 25℃) |
| Farbe | White to yellow |
| Wasserlöslichkeit | Soluble in water. Slightly soluble in methanol and chloroform. |
| BRN | 1740205 |
| InChIKey | LUEHNHVFDCZTGL-UHFFFAOYSA-N |
| CAS Datenbank | 590-93-2(CAS DataBase Reference) |
| NIST chemische Informationen | 2-Butynoic acid(590-93-2) |
| EPA chemische Informationen | 2-Butynoic acid (590-93-2) |
| Kennzeichnung gefährlicher | C |
| R-Sätze: | 34-20/21/22 |
| S-Sätze: | 26-27-36/37/39-45 |
| RIDADR | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29161900 |
