Trypan Red

Title: Trypan Red
CAS Registry Number: 574-64-1
CAS Name: 4,4¢-[(3-Sulfo[1,1¢-biphenyl]-4,4¢-diyl)bis(azo)]bis[3-amino-2,7-naphthalenedisulfonic acid] pentasodium salt
Additional Names: 4,4¢-[(3-sulfo-4,4¢-biphenylene)bis(azo)]bis(3-amino-2,7-naphthalenedisulfonic acid) pentasodium salt; pentasodium 4,4¢-[(3-sulfo-4,4¢-biphenylene)bis(azo)]bis(3-amino-2,7-naphthalenedisulfonate); C.I. 22850
Molecular Formula: C32H19N6Na5O15S5
Molecular Weight: 1002.80
Percent Composition: C 38.33%, H 1.91%, N 8.38%, Na 11.46%, O 23.93%, S 15.99%
Literature References: Prepd by coupling diazotized 4,4¢-diaminobiphenyl-3-sulfonic acid with sodium 2-amino-3,6-naphthalenedisulfonate: Krauss, J. Am. Chem. Soc. 36, 961 (1914); Colour Index vol. 4 (3rd ed., 1971) p 4181.
Properties: Reddish-brown powder. Sol in water. Practically insol in alcohol.
Use: Biological stain.
Therap-Cat: Antiprotozoal (Trypanosoma).
Therap-Cat-Vet: Has been used as a trypanocide.
Keywords: Antiprotozoal (Trypanosoma).
Tryparsamide Trypsin Tryptamine Tryptazan Tryptophan