NILE CHEMICALS

Rhodamine B
   
Product Number 181111
CAS Number 81-88-9
Molecular Formula C28H31ClN2O3
Molecular Weight 479.01
 
TEST SPECIFICATION
APPEARANCE GREEN TO GREEN WITH A BROWN CAST POWDER
SOLUBILITY DARK RED TO PURPLE SOLUTION AT 1MG/ML IN WATER
ELEMENTAL ANALYSIS 65.0 TO 71.0% CARBON
  5.2 TO 6.0% NITROGEN
UV-VIS SPECTRUM 0.004 G/L, METHANOL E (545 +/- 2) NM = 90,000 (MINIMUM)
DYE CONTENT APPROX. 95%

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