Certificate Of Analysis
Product Name Vanillin
Product Number V2375
Product Brand SIGMA
CAS Number 121-33-5
Molecular Formula 4-(HO)C6H3-3-(OCH3)CHO
Molecular Weight 152.15
 
TEST SPECIFICATION LOT 108K0009 RESULTS
APPEARANCE WHITE TO OFF-WHITE POWDER WHITE POWDER
SOLUBILITY CLEAR COLORLESS TO LIGHT YELLOW SOLUTION AT 50MG/ML IN ETHANOL CLEAR COLORLESS
ULTRAVIOLET/VISIBLE EMM = 9.7 TO 10.3 AT LAMBDA MAX 307 TO 309NM IN METHANOL EMM = 10.1 AT LAMBDA MAX 308NM
PURITY BY THIN LAYER CHROMATOGRAPHY MINIMUM 98% >99%
QC RELEASE DATE NOVEMBER 2008