Specification Sheet
Product Name 3,4-Dihydroxybenzaldehyde,
≥97%
Product Number W510300
Product Brand ALDRICH
CAS Number 139-85-5
Molecular Weight 138.12
 
TEST SPECIFICATION
APPEARANCE OFF-WHITE TO GOLD-BROWN POWDER
MELTING POINT 150 - 157 DEGREES CELSIUS
INFRARED SPECTRUM CONFORMS TO STRUCTURE.
TITRATION 97.0% - 103.0% (WITH NAOH)
GAS LIQUID 97.0% (MINIMUM)
SOLUBILITY 2.5% IN ETHANOL; CLEAR SOLUTION
  REVISED AUGUST 22, 2001 JSB