Certificate Of Analysis
Product Name Potassium 5-bromothiophene-2-trifluoroborate,
90%
Product Number 729299
Product Brand ALDRICH
Molecular Formula C4H2BBrF3KS
Molecular Weight 268.93
 
TEST SPECIFICATION LOT 06496EM RESULTS
Appearance (Color) White to Beige to Brown Off-White
Appearance (Form) Powder to Chunks Powder
Proton NMR spectrum Conforms to Structure Conforms
Fluorine NMR Spectra Conforms to Structure Conforms
Boron NMR Spectra Conforms to Structure Conforms
Carbon 15.7 - 20.0 % 17.1 %
Sulfur (S) 10.5 - 13.4 % 11.5 %
Purity (Titration by NaOH) 88.0 - 112.0 % 97.3 %
Titration by AgNO3 26.1 - 33.3 % 28.3 %
  %Br, After Combustion with Oxygen  
Specification Date: AUG 2010
Date of QC Release: AUG 2010
Print Date: AUG 27 2010