Certificate Of Analysis
Product Name (S,S)-2,3-Bis(tert-butylmethylphosphino)quinoxaline
Product Number 694215
Product Brand ALDRICH
CAS Number 1107608-80-9
Molecular Formula C18H28N2P2
Molecular Weight 334.38
 
TEST SPECIFICATION LOT 06711MH RESULTS
APPEARANCE WHITE TO ORANGE TO TAN POWDER, CRYSTALS, ORANGISH-YELLOW POWDER
INFRARED SPECTRUM CONFORMS TO STRUCTURE. CONFORMS TO STRUCTURE.
PHOSPHORUS 31 NMR CONFORMS TO STRUCTURE.
PROTON, CARBON NMR CONFORMS TO STRUCTURE.
ELEMENTAL ANALYSIS CARBON 62.4% - 66.9% CARBON 64.78%
  NITROGEN 8.0% - 8.7% NITROGEN 8.44%
OPTICAL ROTATION +55.0 (+/- 4) DEGREES (C=1%, CHCL3) +54.9 DEGREES (C=1%, CHCL3)
HIGH PRESSURE LIQUID 96.5% (MINIMUM) 99.3%
QC RELEASE DATE DECEMBER 2007
  APPROVED JANUARY 7, 2008 DJP REVISED JANUARY 7, 2008 DJP
  ADDED THE HPLC DATA. DP 1/4/08 REMOVED THE
  ROTATION SIGN FROM THE NAME. DP 1/7/08