• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I A. General Reagents

Tetrazolium Blue

Tetrazolium Blue Blue tetrazolium salt; 3,3′-(3,3′-dimethoxy-4,4′-biphenylylene)bis(2,5-diphenyl- 2H-tetrazolium chloride); C40H32Cl2N8O2 = 727.7 (1871- 22-3)

General reagent grade of commerce.

Yellow crystals; melting point, about 245°, with decomposition.