Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 10487522Erstellt: 26. Oktober 2026

5-methyl-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione

5-methyl-1H-3,1-benzoxazine-2,4-dione · 5-methyl-2H-3,1-benzoxazin-2,4(1H)-dione · 2H-3,1-Benzoxazine-2,4(1H)-dione, 5-methyl- · 5-Methyl-2H-benzo[d][1,3]oxazine-2,4(1H)-dione

https://huagongshe.com/de/chemical/10487522

Molekülstruktur von 5-methyl-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione

Identifikatoren & physikalische Daten

CAS No.20877-81-0
SummenformelC9H7NO3
Durchschnittliche Molmasse177,16 g/mol
Monoisotopische Masse177,04259308 g/mol
SMILESCc1cccc2[nH]c(=O)oc(=O)c12
InChIKeyKJBDXWPWJNDBOS-UHFFFAOYSA-N
PubChem CID10487522
EC No.828-556-7
DTXSIDDTXSID101381989

Chemische & physikalische Eigenschaften

XLogP1,4
Polarare Oberfläche (TPSA)55,4
H-Brücken-Donoren1
H-Brücken-Akzeptoren3
Frei drehbare Bindungen0
Schwere Atome13
Formalladung0
Komplexität251
Schmelzpunkt220-235 °C(Solv: ethanol (64-17-5))
Dichte1.335±0.06 g/cm3(Predicted)
LagerbedingungenStorage temp. 2-8°C
pKa (Säurekonstante)10.76±0.20(Predicted)

Sicherheit & Vorschriften

GHS-EinstufungWarningH303+H333 (100%): May be harmful if swallowed or if inhaled [Warning Acute toxicity, oralacute toxicity, inhalation]P261, P264, P264+P265, P271, P280, P301+P317, P302+P352, P304+P317, 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)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesAcute Tox. 5 (100%)
Zollcode2934999090