20420-52-4

Basic information

• Product Name: 3,8-Dihydrocyclobuta[b]quinoxaline-1,2-dione
• Synonyms: 3,8-Dihydrocyclobuta[b]quinoxaline-1,2-dione
• CAS NO: 20420-52-4
• Molecular Formula: C10H6N2O2
• Molecular Weight: 186.17
• Mol File: 20420-52-4.mol
• Article Data: 2

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 3,8-Dihydrocyclobuta[b]quinoxaline-1,2-dione(CAS DataBase Reference)
• NIST Chemistry Reference: 3,8-Dihydrocyclobuta[b]quinoxaline-1,2-dione(20420-52-4)
• EPA Substance Registry System: 3,8-Dihydrocyclobuta[b]quinoxaline-1,2-dione(20420-52-4)

Safety Data

• Hazardous Substances Data: 20420-52-4(Hazardous Substances Data)

Upstream product

• 95-54-5 1,2-diamino-benzene 
• 5231-87-8 3,4-diethoxy-3-cyclobuten-1,2-dione 

Relevant articles and documents

A simple ratiometric and colorimetric chemosensor for the selective detection of fluoride in DMSO buffered solution

A derivative of squaramide (cyclobuta[b]quinoxaline-1, 2(3H, 8H)-dione) has been synthesized for the ratiometric and colorimetric sensing of F- in aqueous solution in competitive fashion. With F-, probe 1 showed a highly selective naked-eye detectable color change along with a characteristic UV-Vis absorbance over other tested ions, which probably originates from the deprotonation occurred between 1 and F-, as proved by the 1H NMR titration experiments and DFT calculations.