Bilirubin is a principal pigment of bile and one of the major end products of hemoglobin decomposition. It contains conjugated double bonds and reactive hydrogen atoms. Serves as a physiological antioxidant. Reported to cross the blood-brain barrier and exert significant antioxidant effects in the brain. This product corresponds to the unconjugated form. Extinction coefficient (454 nm, CHCl3):59,100-62,300 M-1cm-1.
1. Scigliano, G., et al. 1997. Ital. J. Neurol. Sci. 18: 69-72. PMID: 9239525 2. Ossola, J.O., et al. 1998. Int. J. Biochem. Cell Biol. 30: 285-292. PMID: 9608682
Soluble in chloroform (10 mg/ml), benzene, chlorobenzene, carbon disulfide, alkaline solutions, aqueous acid, ethanol (slightly), and ether (slightly). Insoluble in water.
Store at room temperature
925.16° C at 760 mmHg (Predicted)
1.37 g/cm3 (Predicted)
n20D 1.72 (Predicted)
pKa: 4.62, pKb: 2.31
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
Creating an account with us makes your shopping experience much easier and faster. You can save favorites, save cart, check order status and speed through checkout with saved addresses, payment methods and more.