Check the listing for details. Phloxine B, Certified® biological stain. Condition: New. Listed at 65.31 USD. Phloxine B, Certified® biological stain Certified Reagent for Analytical, Synthesis, Research and Development Not intended for animal or human diagnostic or therapeutic use Don’t see what you’re looking for? Give us the opportunity to make it happen! Certificate of Analysis and Material Safety Data Sheets Available Upon Request Package Compatible HDPE or Amber Glass Bottle Assay [Current stock] GTI2423556CBS 0520-CL Appearance dark reddish-brown powder; Assay (dye content) 84%; Absorption λ max (ethanol 50%) 548nm; Biological Stain Commission certification AcPh-2; Boiling point 747.3°C; Density -; Flash point 405.8°C; Identification (UV/VIS) passes test; Melting point 250°C; Solubility in water (1mg/ml); Specific absorption (λmax; 0.005g/l; ethanol 50%) 1214; Suitability certified for use in Mallory′s phloxine-methylene blue stain, andKreyberg′s method for keratin and mucus; CAS Number 18472-87-2 Formula C20H2Br4Cl4Na2O5 Molecular Weight 829.63