Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 20821Erstellt: 24. Oktober 2026

6-Nitro-2H-3,1-benzoxazin-2,4(1H)-dion

6-nitro-2H-benzo[d][1,3]oxazine-2,4(1H)-dione · 6-Nitroisatoic anhydride · NSC 73615 · 6-Nitro IA · 5-NITROISATOIC ANHYDRIDE · 5-Nitroisatoic anhydride 96% · 6-nitro-1H-3,1-benzoxazine-2,4-dione · 4(1h)-dione,6-nitro-2h-1-benzoxazine-2

https://huagongshe.com/de/chemical/20821

Molekülstruktur von 6-Nitro-2H-3,1-benzoxazin-2,4(1H)-dion

Identifikatoren & physikalische Daten

CAS No.4693-02-1
SummenformelC8H4N2O5
Durchschnittliche Molmasse208,13 g/mol
Monoisotopische Masse208,01202123 g/mol
SMILESO=c1[nH]c2ccc([N+](=O)[O-])cc2c(=O)o1
InChIKeyWWUBAHSWMPFIQZ-UHFFFAOYSA-N
PubChem CID20821
EC No.225-151-1
DTXSIDDTXSID7063558
Lokaler Name6-Nitro-2H-3,1-benzoxazin-2,4(1H)-dion

Chemische & physikalische Eigenschaften

XLogP0,8
Polarare Oberfläche (TPSA)101
H-Brücken-Donoren1
H-Brücken-Akzeptoren5
Frei drehbare Bindungen0
Schwere Atome15
Formalladung0
Komplexität323
Schmelzpunkt259 °C
Siedepunkt347.31°C (rough estimate)
Dichte1.623±0.06 g/cm3 (20 ºC 760 Torr)
Brechungsindex1.4900 (estimate)
LagerbedingungenSealed in dry,Room Temperature
pKa (Säurekonstante)9.29±0.20(Predicted)
CAS Datenbank4693-02-1(CAS DataBase Reference)
EPA chemische Informationen2H-3,1-Benzoxazine-2,4(1H)-dione, 6-nitro- (4693-02-1)

Sicherheit & Vorschriften

GHS-EinstufungDangerH301 (92.9%): Toxic if swallowed [Danger Acute toxicity, oral]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]P264, P264+P265, P270, P280, P301+P316, P305+P351+P338, P321, P330, P337+P317, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 42 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesAcute Tox. 3 (92.9%)Eye Irrit. 2A (100%)
TSCA-Inventar-StatusTSCA listed
Zollcode2934999090

Herstellung & Synthese

synthetische

5-Nitroisatoic anhydride is prepared from 5-nitro indole (9g) by stirring in a 4:1 mixture of CH3CN/H2O for 1 h at 40℃. 1 H NMR (DMSO-d6): δ12.34 (s, Br., 1H), 8.59 (s Hz, 1H), 8.51 (d, J = 7.8 Hz, 1H), 7.31 (d, J = 8.7 Hz, 1H).