123447

3,4-Dihydroxy-3-cyclobuten-1,2-dion

≥99.0% (HPLC)

• Synonym(e): ‘Quadratsäure’
• Lineare Formel: (HO)₂C₄(=O)₂
• CAS-Nummer: 2892-51-5
• Molekulargewicht: 114.06
• Beilstein: 774275
• EG-Nummer: 220-761-4
• MDL-Nummer: MFCD00001334
• UNSPSC-Code: 12352103
• PubChem Substanz-ID: 24847567
• NACRES: NA.23

Eigenschaften

• Qualitätsniveau: 200
• Assay: ≥99.0% (HPLC)
• Form: solid
• mp (Schmelzpunkt): >300 °C (lit.)
• SMILES String: OC1=C(O)C(=O)C1=O
• InChI: 1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
• InChIKey: PWEBUXCTKOWPCW-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Used to synthesize photoconducting squaraines and squarylium dyes.

Anwendung

3,4-Dihydroxy-3-cyclobutene-1,2-dione can be used:

• In fluorescence detection in immunoassays, hybridization assays, enzymatic reactions, and other analytical procedures.
• To form diffraction quality crystals.
• To synthesize a squarate dianion, which is used as a building block to create uncharged polymeric networks. These ordered structures are used in catalysis, nonlinear optics, electrical conductivity, molecular recognition, and molecular sieves.

Sicherheitshinweise

• Piktogramme: GHS05
• Signalwort: Danger
• H-Sätze: H314
• P-Sätze: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Gefahreneinstufungen: Eye Dam. 1 - Skin Corr. 1B
• Lagerklassenschlüssel: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): 374.0 °F
• Flammpunkt (°C): 190 °C
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Faceshields, Gloves