Title: Azure C
CAS Registry Number: 531-57-7
CAS Name: 3-Amino-7-(methylamino)phenothiazin-5-ium chloride
Additional Names: 3-imino-7-(methylamino)-3H-phenothiazine hydrochloride; 3-amino-7-methylaminophenazathonium chloride; monomethyldiaminodiphenazothionium chloride; monomethylthionine chloride; C.I. 52002
Molecular Formula: C13H12ClN3S
Molecular Weight: 277.77
Percent Composition: C 56.21%, H 4.35%, Cl 12.76%, N 15.13%, S 11.54%
Literature References: Prepn: Holmes, French, Stain Technol. 1, 17 (1926). Review: H. J. Conn's Biological Stains, R. D. Lillie, Ed. (Williams & Wilkins, Baltimore, 9th ed., 1977) pp 419-420, 604. See also: Colour Index vol. 4 (3rd ed., 1971) p 4469.
Properties: Green glistening crystals or dark green powder. Sol in water (blue soln); sparingly sol in alc. Absorption max: 608-622 nm (3 ml of a soln of 50 mg in 250 ml H2O dil to 200 ml; read in a Beckman spectrophotometer 1 cm cell).
Absorption maximum: Absorption max: 608-622 nm (3 ml of a soln of 50 mg in 250 ml H2O dil to 200 ml; read in a Beckman spectrophotometer 1 cm cell)
Use: Biological stain. |