HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
1-Hydroxy-1H-pyrrol-2,5-dion
1-hydroxy-1H-pyrrole-2,5-dione · 1-Hydroxypyrrole-2,5-dione · N-HYDROXYMALEIMIDE · N-HYDROXYMALEAMINE · N-Hydroxymaleimide,97% · N-Hydroxymaleimide 95% · 1-Hydroxy-1H-pyrrol-2,5-dion · 1-Hydroxy-3-pyrroline-2,5-dione

Identifikatoren & physikalische Daten
| CAS No. | 4814-74-8 |
|---|---|
| Summenformel | C4H3NO3 |
| Durchschnittliche Molmasse | 113,07 g/mol |
| Monoisotopische Masse | 113,01129296 g/mol |
| SMILES | O=C1C=CC(=O)N1O |
| InChIKey | BUXKULRFRATXSI-UHFFFAOYSA-N |
| PubChem CID | 78535 |
| EC No. | 225-385-4 |
| DTXSID | DTXSID50197434 |
| Lokaler Name | 1-Hydroxy-1H-pyrrol-2,5-dion |
Chemische & physikalische Eigenschaften
| XLogP | -1 |
|---|---|
| Polarare Oberfläche (TPSA) | 57,6 |
| H-Brücken-Donoren | 1 |
| H-Brücken-Akzeptoren | 3 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 8 |
| Formalladung | 0 |
| Komplexität | 154 |
| Schmelzpunkt | 130-133 °C (dec.) (lit.) |
| Siedepunkt | 211.74°C (rough estimate) |
| Dichte | 1.5808 (rough estimate) |
| Brechungsindex | 1.4543 (estimate) |
| Lagerbedingungen | 2-8°C |
| pKa (Säurekonstante) | 6.44±0.20(Predicted) |
| Aggregatzustand | solid |
| BRN | 1524594 |
| Hauptanwendungen | peptide synthesis |
| InChI | 1S/C4H3NO3/c6-3-1-2-4(7)5(3)8/h1-2,8H |
| InChIKey | BUXKULRFRATXSI-UHFFFAOYSA-N |
| SMILES | ON1C(=O)C=CC1=O |
| CAS Datenbank | 4814-74-8(CAS DataBase Reference) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory. |
|---|---|
| Hazard Classes and Categories | Skin Corr. 1B (100%) |
| F | 10-21 |
| Wassergefährdungsklasse (WGK) | 3 |
| UN-Transportnummer | UN 3261 8/PG 3 |
| Zollcode | 29310099 |
| R-Sätze (R) | 34-20/21/22 |
| Gefahrensymbole | C |
| Sicherheitshinweise (S) | 26-36/37/39-45 |
| Gefahrenklasse | 8Eye Dam. 1Skin Corr. 1B |
| Verpackungsgruppe | III |
| Lagerklasse | 8A - Combustible corrosive hazardous materials |
Anwendungen & Verwendung
Verwenden
N-Hydroxymaleimide (cas# 4814-74-8) is a compound useful in organic synthesis.