Certificate Of Analysis
Product Name 5,10,15,20-Tetrakis(4-methoxyphenyl)-21H,23H-porphine cobalt(II)
Product Number 275867
Product Brand ALDRICH
CAS Number 28903-71-1
Molecular Formula C48H36CoN4O4
Molecular Weight 791.76
 
TEST SPECIFICATION LOT 74796DJ RESULTS
Appearance (Color) Conforms Conforms
  Purple, Blue-Purple, or Metallic Blue  
Appearance (Form) Crystal to Powder Crystalline Powder
Infrared spectrum Conforms to Structure Conforms
Wavelength 527 - 533 nm 530 nm
  c = 0.0015g/L; Toluene  
Extinction Coefficient ≥12000 16802
Wavelength 414 - 420 nm 417 nm
Extinction Coefficient ≥180000 256967
Purity (HPLC) ≥96.00 % 97.10 %
Carbon 70.00 - 75.50 % 71.07 %
Nitrogen 7.00 - 8.50 % 7.61 %
Specification Date: JUN 2008