550337

4-Chlor-3-formylcumarin

97%

• Empirische Formel (Hill-System): C₁₀H₅ClO₃
• CAS-Nummer: 50329-91-4
• Molekulargewicht: 208.60
• NACRES: NA.22
• PubChem Substance ID: 24879107
• UNSPSC Code: 12352100
• MDL number: MFCD00179896
• Assay: 97%

Eigenschaften

• Quality Segment: 100
• assay: 97%
• mp: 126-130 °C (lit.)
• functional group: aldehyde, chloro, ester
• SMILES string: [H]C(=O)C1=C(Cl)c2ccccc2OC1=O
• InChI: 1S/C10H5ClO3/c11-9-6-3-1-2-4-8(6)14-10(13)7(9)5-12/h1-5H
• InChI key: CLLLQUGVEQADNN-UHFFFAOYSA-N

Beschreibung

General description

4-Chloro-3-formylcoumarin, also known as 4-chloro-2-oxo-2H-chromene-3-carbaldehyde, is a coumarin derivative.

Application

4-Chloro-3-formylcoumarin may be used as a reactant in the preparation of:

• 2-aryl[1]benzopyrano[4,3-c]pyrazol-4(2H)-ones
• biaryl lactones (benzo[c]chromen-6-ones)
• N-monosubstituted 4-amino-3-formylcoumarins
• chromeno[4,3-b]quinolin-6-one

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• Gefahrencodes: H315,H319,H335
• Sicherheitshinweise: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklasse: 11 - Combustible Solids
• Was ist los?: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• PSA (Persönliche Schutzausrüstung): dust mask type N95 (US), Eyeshields, Gloves