Certificate Of Analysis
Product Name 1,2-Bis(2-aminophenoxy)ethane-N,N,N′,N′-tetraacetic acid tetrasodium salt,
≥95% (HPLC)
Product Number 14513
Product Brand SIGMA
CAS Number 126824-24-6
Molecular Formula C22H20N2Na4O10
Molecular Weight 564.36
 
TEST SPECIFICATION LOT 386725/1 RESULTS
TITRATION (NT) HCLO4 0.1N 92.5 %
PURITY (HPLC AREA %) 98.7 % REL
APPEARANCE FAINTLY BEIGE POWDER
SOLUBILITY (COLOR) VERY FAINTLY YELLOW
SOLUBILITY (TURBIDITY) CLEAR (<3.5 TE(F))
SOLUBILITY (METHOD) 0.1 G IN 10 ML H2O HOT
WATER 8.0 %
RESIDUE ON IGNITION 46.1 %
NMR SPECTRUM 1H CORRESPONDS
DATE OF LAST QC-RECHECK 19/APR/05