Specification Sheet

Product Name
3,4-Dihydroxyphenylacetic acid 98%

Product Number
850217

Product Brand
aldrich

CAS Number
102-32-9

Molecular Weight
168.15

Test

Specification

APPEARANCEWHITE TO PURPLE TO BROWN POWDER
INFRARED SPECTRUMCONFORMS TO STRUCTURE.
 OR
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE.
TITRATION97.5%-102.5% (WITH NAOH)
HIGH PRESSURE LIQUID97.5% (MINIMUM)
SOLUBILITY50 MG/ML, H2O; CLEAR TO SLIGHTLY HAZY,
 COLORLESS TO PURPLE TO BROWN SOLUTION
 REVISED JANUARY 23, 2006 RJM