Specification Sheet
Product Name Imidazole buffer Solution,
BioUltra, 1 M in H2O
Product Number 68268
Product Brand SIGMA
CAS Number 288-32-4
Molecular Weight 68.08
 
TEST SPECIFICATION
APPEARANCE (COLOR) Colorless
APPEARANCE (FORM) Liquid
DENSITY D20/4 1.005 - 1.009
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE
EXTRANEOUS ACTIVITIES DNAses, RNAses, Proteases, Phosphatases Not Detectable
SOLUBILITY (METHOD) NEAT
APPEARANCE (SOLUTION) CLEAR COLORLESS
PH (SOLUTION) 9.0 - 10.0
RESIDUE (FILTER TEST) NO RESIDUE
UV - ABS. AT 260 NM ≤ 0.08
UV - ABS. AT 280 NM ≤ 0.08
RECOMMENDED RETEST PERIOD 42 MONTHS