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  7. 3,4-Dihydroxy-3-Cyclobuten-1,2-Dion, 98+%, Thermo Scientific Chemicals

3,4-Dihydroxy-3-Cyclobuten-1,2-Dion, 98+%, Thermo Scientific Chemicals

Artikelnummer. 11449140
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Product Code. 11449140 Supplier Thermo Scientific Alfa Aesar Supplier No. A15169.03
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Verfügbar ab: 05-08-2026
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Description

CAS: 2892-51-5 | C4H2O4 | 114.056 g/mol

3,4-Dihydroxy-3-cyclobutene-1,2-dione is used to produce diethoxy-cyclobutenedione by heating, pharmaceutical intermediates, squarylium dyes, and photoconducting squaraines; The dibutylester is used as a contact sensitizer in the treatment of alopecia and warts.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Anwendungen
3,4-Dihydroxy-3-cyclobuten-1,2-dion wird zur Herstellung von Dieethoxy-Cyclobutenedionen durch Erhitzen, pharmazeutischen Zwischenprodukten, Squaryliumfarbstoffen und photoleitenden Squarainen verwendet. Der Dibutylester wird als Kontaktsensibilisator bei der Behandlung von Alopezie und Warzen verwendet.

Löslichkeit
Wasserlöslich.

Hinweise
Behälter dicht verschlossen lassen. Kühl und trocken in einem gut versiegelten Behälter lagern.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 2892-51-5
Summenformel C4H2O4
Molekulargewicht (g/mol) 114.056
MDL-Nummer MFCD00001334
InChI-Schlüssel PWEBUXCTKOWPCW-UHFFFAOYSA-N
Synonym squaric acid, 3,4-dihydroxy-3-cyclobutene-1,2-dione, quadratic acid, 3-cyclobutene-1,2-dione, 3,4-dihydroxy, quadratsaeure, cyclobutenedione, dihydroxy, 1,2-diketo-3,4-dihydroxycyclobutene, dihydroxycyclobutenedione, unii-svr9d0vodw, dihydroxycyclobut-3-ene-1,2-dione
PubChem CID 17913
ChEBI CHEBI:52141
IUPAC-Name 3,4-Dihydroxycyclobut-3-en-1,2-dion
SMILES C1(=C(C(=O)C1=O)O)O

Specifications

Chemischer Name oder Material 3,4-Dihydroxy-3-cyclobutene-1,2-dione
Schmelzpunkt >300°C
Flammpunkt 190°C (374°F)
Menge 1 g
UN-Nummer UN3261
Beilstein 774275
Löslichkeitsinformationen Soluble in water.
Formelmasse 114.06
Reinheit (%) ≥98%

RUO – Research Use Only

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