6466. Neotetrazolium Chloride

Nomenclature

CAS number: 298-95-3
3,3′-[1,1′-Biphenyl]-4,4′-diylbis[2,5-diphenyl-2H-tetrazolium] dichloride; 3,3′-[4,4′-biphenylene]bis[2,5-diphenyl-2H-tetrazolium] dichloride; 2,2′,5,5′-tetraphenyl-3,3′-(p-diphenylene)ditetrazolium chloride; 2,2′-(p-diphenylene)-bis[3,5-diphenyl]ditetrazolium chloride; neotetrazolium blue; neo-T; TP; NTC.
C38H28Cl2N8; mol wt 667.59.
C 68.37%, H 4.23%, Cl 10.62%, N 16.78%.

Description and references

Prepn: L. J. Pannone, J. B. Rust, US 2713581 (1955 to Montclair Res. Corp. and Ellis-Foster Co.). Purification: G. R. N. Jones, Histochem. J. 1, 59 (1968). See also Triphenyltetrazolium chloride.

Chemical structure

Properties

Light yellow powder, mp 297° (dec).

Use

Staining of microorganisms and plant and animal tissues. In determn of dehydrogenases in histochemical and cytochemical studies: K. Neumann, G. Koch, Z. Physiol. Chem. 295, 35 (1953). In amylase determn.