CA Index Name: 2H-Tetrazolium, 2,3,5-triphenyl-, chloride (1:1)
Other Names: 2,3,5-Triphenyl-2H-tetrazolium chloride; 2H-Tetrazolium, 2,3,5-triphenyl-, chloride; 1,3,5-Triphenyl-2H-tetrazolium chloride; 1,3,5-Triphenyltetra-zolium chloride; 2,3,5-Triphenyltetrazolium chloride; PTB; RT; Red tetrazolium; TPTZ; TT; TTC; TTC (dye); Tetrazolium chloride; Tetrazolium red; Triphenyltetrazolium chloride; Urocheck; Uroscreen; Vitastain
Merck Index Number: 9744
Chemical / Dye Class: Tetrazolium salt
Molecular Formula: C19H15ClN4
Molecular Weight: 334.80
Physical Form: Colorless needles, turns yellow on exposure to light
Solubility: Soluble in water, ethanol, acetone; insoluble in ether
Melting Point: 243-253 °C (decompose)
Absorption (λmax): 247 nm
Synthesis: Synthetic methods
Staining Applications: Bacteria; brain sections; brain slices; cells; cerebral infarcts; cortex; infarcted hearts tissues; neurons; plant roots
Biological Applications: Algae viability assay; microbial growth assays; transketolase activity screening assays; detecting bacteria, γ-hydroxybutyric acid (GHB), microorganisms, myocardial infarction; measuring dehydrogenase activity; treating cancer
Industrial Applications: Photographic materials
Safety / Toxicity: Bacterial toxicity; mutagenicity