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HCID 14526Erstellt: 26. Oktober 2026

Chinoxalin-2(1H)-on

quinoxalin-2(1H)-one · Quinoxalinone · 2-QUINOXALINOL · QUINOXALIN-2-OL · 2-HYDROXYQUINOXALINE · Quinoxalinol · 2-Quinoxalone · 2-Quinazolone

https://huagongshe.com/de/chemical/14526

Molekülstruktur von Chinoxalin-2(1H)-on

Identifikatoren & physikalische Daten

CAS No.1196-57-2
SummenformelC8H6N2O
Durchschnittliche Molmasse146,15 g/mol
Monoisotopische Masse146,04801281 g/mol
SMILESO=c1cnc2ccccc2[nH]1
InChIKeyFFRYUAVNPBUEIC-UHFFFAOYSA-N
PubChem CID14526
ChEBICHEBI:38890
EC No.214-815-6
DTXSIDDTXSID6061604
Lokaler NameChinoxalin-2(1H)-on

Chemische & physikalische Eigenschaften

XLogP0,8
Polarare Oberfläche (TPSA)41,5
H-Brücken-Donoren1
H-Brücken-Akzeptoren2
Frei drehbare Bindungen0
Schwere Atome11
Formalladung0
Komplexität200
SpringerMaterials PropertiesNuclear quadrupole resonance spectroscopy
LogP (Verteilungskoeffizient)0.8
Schmelzpunkt271-272 °C (lit.)
Siedepunkt265.75°C (rough estimate)
Dichte1.2312 (rough estimate)
Brechungsindex1.4900 (estimate)
LagerbedingungenSealed in dry,Room Temperature
LöslichkeitDMSO (Slightly), Methanol (Very Slightly, Heated)
AggregatzustandSolid
pKa (Säurekonstante)9.20±0.50(Predicted)
FarbeLight Brown
InChIInChI=1S/C8H6N2O/c11-8-5-9-6-3-1-2-4-7(6)10-8/h1-5H,(H,10,11)
InChIKeyFFRYUAVNPBUEIC-UHFFFAOYSA-N
SMILESN1C2=C(C=CC=C2)N=CC1=O
CAS Datenbank1196-57-2(CAS DataBase Reference)
NIST chemische Informationen2(1H)-quinoxalinone(1196-57-2)
EPA chemische Informationen2(1H)-Quinoxalinone (1196-57-2)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 49 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: 2(1H)-Quinoxalinone
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
Zollcode29339900
RTECS-Nr.VD3630000
R-Sätze (R)36/37/38
Toxizitätmouse,LD50,intravenous,178mg/kg (178mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00285,
GefahrensymboleXi
Sicherheitshinweise (S)26-36/39-37/39
Lagerklasse11 - Combustible Solids
GefahrenklasseEye Irrit. 2Skin Irrit. 2STOT SE 3

Anwendungen & Verwendung

Verwenden

2-Quinoxalinone is a metabolite of Quinalphos, and is known to photocatalytically destroy antioxidant vitamins and biogenic amines in vitro and is genotoxic to both light- and dark-exposed bacteria.