Certificate Of Analysis
Product Name 1,4,4a,9a-Tetrahydroanthraquinone,
technical grade, 90%
Product Number 236675
Product Brand ALDRICH
CAS Number 56136-14-2
Molecular Formula C14H12O2
Molecular Weight 212.24
 
TEST SPECIFICATION LOT 2707TJ RESULTS
APPEARANCE TAN BROWN POWDER
MELTING POINT 99 DEGREES CELSIUS
INFRARED SPECTRUM CONFORMS TO STRUCTURE
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE
THIN-LAYER CONSISTENT WITH 90% PURITY
ELEMENTAL ANALYSIS CARBON 79.38%
  HYDROGEN 5.55%
UV-VISIBLE SPECTRUM C=0.01001 G/L IN ETOH
  221NM E=23,473
  249NM E=10,878
  304NM E= 1,442