Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 566735Erstellt: 26. Oktober 2026

3,4-dihydro-2H-pyran-4-one

2H-Pyran-4(3H)-one · 2,3-dihydropyran-4-one · 4H-Pyran-4-one, 2,3-dihydro-

https://huagongshe.com/de/chemical/566735

Molekülstruktur von 3,4-dihydro-2H-pyran-4-one

Identifikatoren & physikalische Daten

CAS No.84302-42-1
SummenformelC5H6O2
Durchschnittliche Molmasse98,1 g/mol
Monoisotopische Masse98,03677943 g/mol
SMILESO=C1C=COCC1
InChIKeyZCSOJXHICDKYJO-UHFFFAOYSA-N
PubChem CID566735
EC No.866-529-1
DTXSIDDTXSID20340718

Chemische & physikalische Eigenschaften

XLogP0
Polarare Oberfläche (TPSA)26,3
H-Brücken-Donoren0
H-Brücken-Akzeptoren2
Frei drehbare Bindungen0
Schwere Atome7
Formalladung0
Komplexität105
Siedepunkt88-92 °C(Press: 16 Torr)
Dichte1.123±0.06 g/cm3(Predicted)
InChIInChI=1S/C5H6O2/c6-5-1-3-7-4-2-5/h1,3H,2,4H2
InChIKeyZCSOJXHICDKYJO-UHFFFAOYSA-N
SMILESC1OC=CC(=O)C1

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract 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)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2A (100%)STOT SE 3 (100%)
AlarmwortWarnung
GefahrenhinweiseCode Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code H315