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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 17688981Erstellt: 25. Oktober 2026

4-Chloro-3-methyl-1H-pyrazole-5-carboxylic acid

MFCD16044442 · 4-chloro-5-methyl-1H-pyrazole-3-carboxylic acid · 4-CHLORO-3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID · 1H-Pyrazole-3-carboxylic acid, 4-chloro-5-methyl- · 4-chloro-3-methyl-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE)

https://huagongshe.com/de/chemical/17688981

Molekülstruktur von 4-Chloro-3-methyl-1H-pyrazole-5-carboxylic acid

Identifikatoren & physikalische Daten

CAS No.29400-84-8
SummenformelC5H5ClN2O2
Durchschnittliche Molmasse160,56 g/mol
Monoisotopische Masse160,0039551 g/mol
SMILESCc1[nH]nc(C(=O)O)c1Cl
InChIKeyFWSYEYQXPSSQMV-UHFFFAOYSA-N
PubChem CID17688981
ChEMBLCHEMBL393062
EC No.801-868-0

Chemische & physikalische Eigenschaften

XLogP1,1
Polarare Oberfläche (TPSA)66
H-Brücken-Donoren2
H-Brücken-Akzeptoren3
Frei drehbare Bindungen1
Schwere Atome10
Formalladung0
Komplexität153

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)Aggregated GHS information provided per 2 reports by companies from 2 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 CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2A (100%)STOT SE 3 (100%)
AlarmwortWarnung
GefahrenhinweiseCode Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code H302