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

CAS: 2892-51-5

Ref. 02-A15169

Product Information

• Name: 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 98+%
• Synonyms: squaric acid quadratsaeure quadratic acid, 1,2-Dihydroxy-1-cyclobutene-3,4-dione, 1,2-Dihydroxy-3,4-Cyclobutenedione, 1,2-Dihydroxycyclobutene-3,4-dione, 1,2-Diketo-3,4-dihydroxycyclobutene, 3,4-Dihidroxi-3-Ciclobuteno-1,2-Diona, 3,4-Dihydroxy-3-Cyclobutene-2-Dione, 3,4-Dihydroxy-3-cyclobuten-1,2-dion, 3,4-Dihydroxycyclobut-3-Ene-1,2-Dione, 3,4-Dihydroxycyclobutene-1,2-dione, 3,4-Dioxocyclobut-1-ene-1,2-diol, 3-Cyclobutene-1,2-dione, 3,4-dihydroxy-, 4-Hydroxycyclobutane-1,2,3-Trione, Cyclobut-3-Ene-1,2-Dione, 3,4-Dihydroxy-, Cyclobutenedione, dihydroxy-, Dihydroxy-3-cyclobutene-1,2-dione, Nsc 125692, Nsc 624671, Quadratic acid, Squaric acid
• CAS: 2892-51-5

Description

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.

• Brand: Alfa Aesar By Thermo Fisher Scientific

Chemical properties

• Molecular weight: 114.06
• Formula: C₄H₂O₄
• Purity: 98+%
• Color/Form: Powder or lumps, White to cream to pale brown to gray
• InChI: InChI=1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
• InChI key: PWEBUXCTKOWPCW-UHFFFAOYSA-N
• SMILES: O=c1c(O)c(O)c1=O