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HCID 14770682Erstellt: 27. Oktober 2026

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

4-chloro-3-Ethyl-1-methyl-1H-Pyrazole-5- carboxylic · 4-chloro-5-ethyl-2-methyl-3-pyrazolecarboxylic acid · 1-Methyl-3-ethyl-4-chloro-5-pyrazole carboxylic acid · 4-CHLORO-3-ETHYL-1-METHYL PYRAZOLE-5-CARBOXYLIC ACID · 4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylicaci · 4-CHLORO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID · 1H-Pyrazole-5-carboxylic acid, 4-chloro-3-ethyl-1-Methyl- · Ethyl 4-chloro-5-ethyl-1-methyl- 1H-pyrazole-3-carboxylic acid

https://huagongshe.com/de/chemical/14770682

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

Identifikatoren & physikalische Daten

CAS No.127892-62-0
SummenformelC7H9ClN2O2
Durchschnittliche Molmasse188,61 g/mol
Monoisotopische Masse188,0352552 g/mol
SMILESCCc1nn(C)c(C(=O)O)c1Cl
InChIKeyNXAIFVHVBHMNJS-UHFFFAOYSA-N
PubChem CID14770682
EC No.836-047-6
DTXSIDDTXSID60563848

Chemische & physikalische Eigenschaften

XLogP1,6
Polarare Oberfläche (TPSA)55,1
H-Brücken-Donoren1
H-Brücken-Akzeptoren3
Frei drehbare Bindungen2
Schwere Atome12
Formalladung0
Komplexität188
Schmelzpunkt164 °C
Siedepunkt339.5±42.0 °C(Predicted)
Dichte1.40±0.1 g/cm3(Predicted)
Lagerbedingungenunder inert gas (nitrogen or Argon) at 2-8°C
LöslichkeitChloroform (Slightly, Heated), Methanol (Slightly)
pKa (Säurekonstante)1.90±0.38(Predicted)
AggregatzustandSolid
FarbeWhite to Off-White
InChIInChI=1S/C7H9ClN2O2/c1-3-4-5(8)6(7(11)12)10(2)9-4/h3H2,1-2H3,(H,11,12)
InChIKeyNXAIFVHVBHMNJS-UHFFFAOYSA-N
SMILESN1(C)C(C(O)=O)=C(Cl)C(CC)=N1

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 (50%): 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. 2 (100%)STOT SE 3 (50%)
Zollcode2933.19.9000

Anwendungen & Verwendung

Verwenden

4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-formic Acid is a useful reagent for the synthesis of anti-microbial compounds.