HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 70255Erstellt: 26. Oktober 2026
1H-Pyrazole, 1-methyl-
1-METHYL-1H-PYRAZOLE · methylpyrazole · 1H-Pyrazole, 1-methyl- · AKOS PAO-1140 · 1-Methypyrazole · N-METHYLPYRAZOLE · 1-METHYLPYRAZOLE · Methylpyrazole,98%
https://huagongshe.com/de/chemical/70255
Identifikatoren & physikalische Daten
| CAS No. | 930-36-9 |
|---|
| Summenformel | C4H6N2 |
|---|
| Durchschnittliche Molmasse | 82,1 g/mol |
|---|
| Monoisotopische Masse | 82,05309819 g/mol |
|---|
| SMILES | Cn1cccn1 |
|---|
| InChIKey | UQFQONCQIQEYPJ-UHFFFAOYSA-N |
|---|
| PubChem CID | 70255 |
|---|
| ChEBI | CHEBI:59025 |
|---|
| EC No. | 618-896-2 |
|---|
| DTXSID | DTXSID40239231 |
|---|
Chemische & physikalische Eigenschaften
| XLogP | 0,2 |
|---|
| Polarare Oberfläche (TPSA) | 17,8 |
|---|
| H-Brücken-Donoren | 0 |
|---|
| H-Brücken-Akzeptoren | 1 |
|---|
| Frei drehbare Bindungen | 0 |
|---|
| Schwere Atome | 6 |
|---|
| Formalladung | 0 |
|---|
| Komplexität | 44,8 |
|---|
| Stoffklassen | Nitrogen Compounds -> Pyrazoles |
|---|
| SpringerMaterials Properties | Chemical shift |
|---|
| LogP (Verteilungskoeffizient) | 0.23 |
|---|
| Dampfdruck | 17.1 [mmHg] |
|---|
| Physical Description | Colorless liquid with a pungent odor[Alfa Aesar MSDS] |
|---|
| Schmelzpunkt | 36.5°C (estimate) |
|---|
| Siedepunkt | 127 °C |
|---|
| Dichte | 0.988 g/mL at 20 °C (lit.) |
|---|
| Brechungsindex | n20/D 1.477 |
|---|
| Flammpunkt | 35 °C |
|---|
| Lagerbedingungen | Inert atmosphere,Room Temperature |
|---|
| Löslichkeit | Soluble in water |
|---|
| pKa (Säurekonstante) | 2.25±0.10(Predicted) |
|---|
| Aggregatzustand | Liquid |
|---|
| Farbe | Clear colorless to light yellow |
|---|
| BRN | 105207 |
|---|
| InChI | InChI=1S/C4H6N2/c1-6-4-2-3-5-6/h2-4H,1H3 |
|---|
| InChIKey | UQFQONCQIQEYPJ-UHFFFAOYSA-N |
|---|
| SMILES | N1(C)C=CC=N1 |
|---|
| CAS Datenbank | 930-36-9(CAS DataBase Reference) |
|---|
| NIST chemische Informationen | 1-methylpyrazole(930-36-9) |
|---|
Sicherheit & Vorschriften
| GHS-Einstufung | WarningH226 (98.3%): Flammable liquid and vapor [Warning Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 60 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|
| Gefahrenübersicht | A skin and strong eye irritant[Alfa Aesar MSDS] See Pyrazole. |
|---|
| Hazard Classes and Categories | Flam. Liq. 3 (98.3%) |
|---|
| F | 10 |
|---|
| Wassergefährdungsklasse (WGK) | 3 |
|---|
| UN-Transportnummer | UN 1993 3/PG 3 |
|---|
| Zollcode | 29331990 |
|---|
| R-Sätze (R) | 10-36/37/38 |
|---|
| Gefahrensymbole | Xi |
|---|
| Sicherheitshinweise (S) | 26-37/39-16 |
|---|
| Gefahrenklasse | 3Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2 |
|---|
| Verpackungsgruppe | III |
|---|
| Lagerklasse | 3 - Flammable liquids |
|---|
