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  7. 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 98+%

3,4-Dihydroxy-3-cyclobutene-1,2-dione, 98+%

Catalog No. AAA1516903
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Catalog No. AAA1516903 Supplier Thermo Scientific Chemicals Supplier No. A1516903
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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.

Applications
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.

Solubility
Soluble in water.

Notes
Keep container tightly closed. Store in cool, dry conditions in well sealed containers.

Chemical Identifiers

CAS 2892-51-5
Molecular Formula C4H2O4
Molecular Weight (g/mol) 114.056
MDL Number MFCD00001334
InChI Key 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-ene-1,2-dione
SMILES C1(=C(C(=O)C1=O)O)O

Specifications

Melting Point >300°C
Flash Point 190°C (374°F)
Quantity 1 g
UN Number UN3261
Beilstein 774275
Solubility Information Soluble in water.
Formula Weight 114.06
Percent Purity ≥98%
Chemical Name or Material 3,4-Dihydroxy-3-cyclobutene-1,2-dione

Safety and Handling

Hazard Category H315-H319-H335
Hazard Statement GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.
Precautionary Statement P261-P264b-P271-P280-P302+P352-P305+P351+P338-P312-P332+P313-P362-P501c
DOTInformation Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
EINECSNumber 220-761-4
RTECSNumber GU1800000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only