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HCID 779402Erstellt: 26. Oktober 2026

4,5-Dichloro-2-(4-chlorophenyl)-3(2H)-pyridazinone

4,5-Dichloro-2-(4-chlorophenyl)pyridazin-3-one · 3(2H)-Pyridazinone, 4,5-dichloro-2-(4-chlorophenyl)- · 4,5-Dichloro-2-(4-Chlorophenyl)-2,3-Dihydropyridazin-3-One

https://huagongshe.com/de/chemical/779402

Molekülstruktur von 4,5-Dichloro-2-(4-chlorophenyl)-3(2H)-pyridazinone

Identifikatoren & physikalische Daten

CAS No.33098-11-2
SummenformelC10H5Cl3N2O
Durchschnittliche Molmasse275,5 g/mol
Monoisotopische Masse273,946746 g/mol
SMILESO=c1c(Cl)c(Cl)cnn1-c1ccc(Cl)cc1
InChIKeyNSDMHMDFFLRTAE-UHFFFAOYSA-N
PubChem CID779402
EC No.870-416-2
DTXSIDDTXSID301230126

Chemische & physikalische Eigenschaften

XLogP3,3
Polarare Oberfläche (TPSA)32,7
H-Brücken-Donoren0
H-Brücken-Akzeptoren2
Frei drehbare Bindungen1
Schwere Atome16
Formalladung0
Komplexität359
Schmelzpunkt186-188 °C(Solv: ethanol (64-17-5))
Siedepunkt353.0±52.0 °C(Predicted)
Dichte1.55±0.1 g/cm3(Predicted)
LagerbedingungenStorage temp. 2-8°C
pKa (Säurekonstante)-4.22±0.60(Predicted)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H332 (100%): Harmful if inhaled [Warning Acute toxicity, inhalation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, 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. 4 (100%)Skin Irrit. 2 (100%)Eye Irrit. 2A (100%)STOT SE 3 (100%)
AlarmwortWarnung
GefahrenhinweiseCode Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code H302