303062

3-Methyl-3-pyrazolin-5-on

98%

• Empirische Formel (Hill-System): C₄H₆N₂O
• CAS-Nummer: 4344-87-0
• Molekulargewicht: 98.10
• MDL-Nummer: MFCD00010705
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24858293
• NACRES: NA.22

Eigenschaften

• Assay: 98%
• mp (Schmelzpunkt): 223-225 °C (lit.)
• Löslichkeit: 1 M NH4OH: soluble 25 mg/mL, clear, colorless (in methanol)
• SMILES String: CC1=CC(=O)NN1
• InChI: 1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H,1H3,(H2,5,6,7)
• InChIKey: WGVHNCAJPFIFCR-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

3-Methyl-3-pyrazolin-5-one is an intermediate in the synthesis of heterocyclic compounds. Crystal structure of 3-methyl-3-pyrazolin-5-one was studied.

Anwendung

3-Methyl-3-pyrazolin-5-one was used in the preparation of substituted 4-alkyl(cycloalkyl)-2-amino-3-cyano-4H-pyrans.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves