Certificate Of Analysis
Product Name Orange II sodium salt,
certified by the Biological Stain Commission
Product Number O4505
Product Brand SIGMA
CAS Number 633-96-5
Molecular Formula C16H11N2NaO4S
Molecular Weight 350.32
 
TEST SPECIFICATION LOT 125K3703 RESULTS
APPEARANCE ORANGE POWDER
IR SPECTRUM CONSISTENT WITH STRUCTURE
SOLUBILITY CLEAR RED-ORANGE SOLUTION AT 1 MG/ML OF WATER
BIOLOGICAL STAIN COMMISSION CERTIFICATION NUMBER ACOB-9
DYE CONTENT 93%
QC RELEASE DATE FEBRUARY 2006