Formulation: A solid
Formal Name: 2,5-bis(phenylamino)-2,5-cyclohexadiene-1,4-dione
Purity: ≥95%
Formula Markup: C18H14N2O2
Formula Weight: 290,3
Shelf life (days): 1460
CAS Number: 3421-08-7
Notes: DPPD-Q is an oxidized derivative of the antioxidant and substituted p-phenylenediamine DPPD.{72312,72313,72314} It inhibits jack bean urease by 91.4% when used at a concentration of 5 µM.{72315} DPPD-Q is less toxic to the aquatic bacterium V. fischeri than DPPD (EC50 = 1.76 mg/ml).{72316} It has been found in tire wear particles and crumb rubber, particulate matter 2.5 (PM2.5), and wastewater influent and effluent.{72312,72313,72314}