Toluidine Blue O salt

(Basic Blue 17, 2-Amino-7-dimethylamino-3-methylphenothiazinium chloride)
C.I.52040C15H16ClN3SMr 305.8CAS [92-31-9]

Methylhomologue of Azure A. Basic, water soluble nuclear dye. Used in histology and for RNA staining and RNase detection in electrophoresis (1). Stain for oligodeoxyribonucleotides (2). Stain for acidic mucopolysaccharides (proteoglycans) (3) and RNA (4).

A 1 cm/0.001 % in water λ max.
λmax. 0.001 % in water

min. 0.8
622 - 638 nm

  1. Wilson, C.W. (1969) Anal. Biochem. 31, 506-11
  2. Elson, E. & Jovin, T.M. (1969) Anal. Biochem. 27, 193-204
  3. Rennert, O.M. (1967) Nature 213, 1133
  4. Konings R.N.H. & Bloemendal, H. (1965) Eur. J. Biochem. 7, 165-73

EINECS: 202-146-2WGK: 2LHS: 29349990
Storage Temperature: +15 °C to +30 °C

25 g
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