Specification Sheet
Product Name Disperse Orange 25,
Dye content 95 %
Product Number 364819
Product Brand ALDRICH
CAS Number 31482-56-1
Molecular Weight 323.35
 
TEST SPECIFICATION
APPEARANCE LIGHT RED TO RED-PURPLE POWDER
INFRARED SPECTRUM CONFORMS TO STRUCTURE.
UV-VISIBLE SPECTRUM C = 0.01 G/L IN METHANOL
  E(457 +/- 3 NM) = 30,000 (MINIMUM)
  E(282 +/- 3 NM) = 11,000 (MINIMUM)
ELEMENTAL ANALYSIS CARBON 59.4% - 66.9%
  NITROGEN 20.4% - 23.0%
  APPROVED DECEMBER 26, 1997 JSB