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HCID 565702Erstellt: 26. Oktober 2026

1-Ethyl-1H-pyrazole-5-carboxylic acid

2-Ethylpyrazole-3-carboxylic acid · Albb-003737 · 1-Ethylpyrazole-5-carboxylic Acid · 1-Ethyl-1H-pyrazol-5-carboxylic acid · 1H-Pyrazole-5-carboxylic acid, 1-ethyl- · 1H-Pyrazole-5-carboxylicacid,1-ethyl-(9CI) · 1-ethyl-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE)

https://huagongshe.com/de/chemical/565702

Molekülstruktur von 1-Ethyl-1H-pyrazole-5-carboxylic acid

Identifikatoren & physikalische Daten

CAS No.400755-43-3
SummenformelC6H8N2O2
Durchschnittliche Molmasse140,14 g/mol
Monoisotopische Masse140,0585775 g/mol
SMILESCCn1nccc1C(=O)O
InChIKeyFSMHDKRQCDWWGZ-UHFFFAOYSA-N
PubChem CID565702
EC No.673-166-0
DTXSIDDTXSID60340570

Chemische & physikalische Eigenschaften

XLogP0,4
Polarare Oberfläche (TPSA)55,1
H-Brücken-Donoren1
H-Brücken-Akzeptoren3
Frei drehbare Bindungen2
Schwere Atome10
Formalladung0
Komplexität138
Siedepunkt307.4±15.0 °C(Predicted)
Dichte1.27±0.1 g/cm3(Predicted)
Lagerbedingungen2-8°C
pKa (Säurekonstante)3.20±0.10(Predicted)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (66.7%): Harmful if swallowed [Warning Acute toxicity, oral]H315 (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, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 3 reports by companies from 3 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 CategoriesAcute Tox. 4 (66.7%)Skin Irrit. 2 (100%)Eye Irrit. 2A (100%)STOT SE 3 (100%)
Zollcode2933199090
GefahrenklasseIRRITANT