Certificate Of Analysis
Product Name Uniblue A sodium salt
Product Number 298409
Product Brand SIAL
CAS Number 14541-90-3
Molecular Formula C22H15N2NaO7S2
Molecular Weight 506.48
 
TEST SPECIFICATION LOT MKBC0727 RESULTS
Appearance (Color) Blue to Dark Blue to Dark Purp Dark blue
  Blue to Very Dark Blue to Very Dark Purple  
Appearance (Form) Powder Powder
Infrared spectrum Conforms to Structure Conforms
Wavelength 592 - 598 nm 594 nm
  c = 0.01 g/L; Water  
Extinction Coefficient ≥8000 10672
Wavelength 253 - 259 nm 256 nm
Extinction Coefficient ≥20000 27721
Wavelength 224 - 230 nm 228 nm
Extinction Coefficient ≥23000 29405
Carbon ≥35.5 % 50.0 %
Nitrogen ≥3.5 % 5.2 %
Purity (HPLC) ≥70.0 % 91.7 %
Specification Date: OCT 2009
Date of QC Release: OCT 2009
Print Date: OCT 16 2009