Certificate Of Analysis
Product Name Uniblue A sodium salt
Product Number U5753
Product Brand SIGMA
CAS Number 14541-90-3
Molecular Formula C22H15N2O7S2Na
Molecular Weight 506.48
 
TEST SPECIFICATION LOT 129F0168 RESULTS
APPEARANCE DARK BLUE POWDER
SOLUBILITY DARK BLUE SOLUTION AT 40 MG PLUS 4 ML OF WATER
ELEMENTAL ANALYSIS 43.18% CARBON 4.28% NITROGEN 1.4% SODIUM 4.8% POTASSIUM
SUITABILITY TEST SUITABLE FOR USE AS STAIN FOR ELECTROPHORESIS
ULTRAVIOLET/VISIBLE SPECTRUM E1% = 184 AT LAMBDA MAX 594 NM IN WATER
DYE CONTENT APPROX. 80%