Certificate Of Analysis
Product Name Acid Red 183,
Dye content 30 %
Product Number 201820
Product Brand SIAL
CAS Number 6408-31-7
Molecular Formula C16H11ClN4Na2O8S2 · xCr
Molecular Weight 532.84
 
TEST SPECIFICATION LOT 11514JN RESULTS
APPEARANCE DARK-RUST POWDER
INFRARED SPECTRUM CONFORMS TO STRUCTURE AND STANDARD AS
  ILLUSTRATED ON PAGE 1001B OF EDITION I,
  VOLUME 2 OF "THE ALDRICH LIBRARY OF FT-IR
  SPECTRA".
UV-VISIBLE SPECTRUM 0.03G/L, H2O
  E490=5,900
  E322=2,900
  E244=7,500
ELEMENTAL ANALYSIS CARBON 13.31%
  HYDROGEN 1.66%
  NITROGEN 3.17%
ICP ASSAY CR 3.4%
  NA 26%