24700

3-Chlor-2,4(3H,5H)-furandion

≥98.0% (HPLC)

• Synonym(e): 3-Chlor-tetronsäure
• Empirische Formel (Hill-System): C₄H₃ClO₃
• CAS-Nummer: 4971-55-5
• Molekulargewicht: 134.52
• Beilstein: 113477
• MDL-Nummer: MFCD00134273
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 57648093
• NACRES: NA.22

Eigenschaften

• Assay: ≥98.0% (HPLC)
• mp (Schmelzpunkt): 206 °C (dec.) (lit.)
• SMILES String: ClC1C(=O)COC1=O
• InChI: 1S/C4H3ClO3/c5-3-2(6)1-8-4(3)7/h3H,1H2
• InChIKey: DJEJYZZJYYNADA-UHFFFAOYSA-N

Beschreibung

Anwendung

3-Chloro-2,4(3H,5H)-furandione (3-Chlorotetronic acid) is a C₄-heterocyclic building block and has been used in synthesis of:

• pure tetronic acid[1]
• pyridinium-, isoquinolinium-, quinolinium- and N-methyl imidazolium zwitterions[2]
• pyridine-, isoquinoline-, quinoline- and N-methylimidazole ylides[2]
• rubrolide L, a marine ascidian butenolide and a potent inhibitor of human aldose reductase[3]

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