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Ponceau S 5 g


Ponceau S

(3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt)

Purity > 85.0%

  CAS Number:
  Chemical Formula:   C22H12N4Na4O13S4
  Molecular Weight:   760.61 g/mol


Ponceau S is a substitute for acid fuschin in Van Gieson stain. Also used for staining proteins after electrophoresis.

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