Thiophene-3,4-dicarboxylic acid
Bezeichnung:Thiophene-3,4-dicarboxylic acid
CAS-Nr4282-29-5
Englisch Name:Thiophene-3,4-dicarboxylic acid
CBNumberCB7769265
SummenformelC6H4O4S
Molgewicht172.16
MOL-Datei4282-29-5.mol
Thiophene-3,4-dicarboxylic acid physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 227-231 °C |
| Siedepunkt | 272.46°C (rough estimate) |
| Dichte | 1.473 (estimate) |
| Brechungsindex | 1.5500 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| Löslichkeit | soluble in Methanol |
| Aggregatzustand | Crystalline Powder |
| pka | 3.36±0.20(Predicted) |
| Farbe | Yellow to beige-pinkish or light brown |
| maximale Wellenlänge (λmax) | 240nm(H2O)(lit.) |
| InChI | InChI=1S/C6H4O4S/c7-5(8)3-1-11-2-4(3)6(9)10/h1-2H,(H,7,8)(H,9,10) |
| InChIKey | ZWWLLYJRPKYTDF-UHFFFAOYSA-N |
| SMILES | C1SC=C(C(O)=O)C=1C(O)=O |
| Kennzeichnung gefährlicher | Xi |
| R-Sätze: | 36/37/38 |
| S-Sätze: | 24/25 |
| WGK Germany | 3 |
| HazardClass | IRRITANT |
| HS Code | 29349990 |
