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Bilirubin

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Bilirubin Basic information
Bilirubin Chemical Properties
  • Melting point:192 °C
  • Boiling point:641.7°C (rough estimate)
  • Density 1.2163 (rough estimate)
  • refractive index 1.6000 (estimate)
  • storage temp. −20°C
  • solubility aqueous acid: soluble
  • pka4.62±0.10(Predicted)
  • form powder
  • color orange
  • Water Solubility practically insoluble
  • Sensitive Light Sensitive
  • Merck 14,1218
  • BRN 74376
  • Stability:Stable. Refrigerate.
  • EPA Substance Registry SystemBilirubin (635-65-4)
Safety Information
MSDS
Bilirubin Usage And Synthesis
  • Chemical PropertiesLight Orange to Deep Redish-Brown Crystalline Solid
  • UsesPrincipal pigment of bile and constituent of many biliary calculi
  • DefinitionRed coloring matter of bile. Also occurs in blood serum as decomposition product of hemoglobin.
  • Purification MethodsAn acyclic tetrapyrrole bile pigment with impurities which can be eliminated by successive Soxhlet extraction with diethyl ether and MeOH. It crystallises from CHCl3 as deep red-brown rhombs, plates or orange-red prisms from chlorobenzene (m 330o dec) and is dried to constant weight at 80o under vacuum. [Gray et al. J Chem Soc 2264, 2276 1961, Beilstein 26 III/IV 3268.]
Bilirubin Preparation Products And Raw materials
Bilirubin(635-65-4)Related Product Information
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