Specification Sheet

Product Name
3,4-Dihydroxybenzaldehyde purum, ≥97.0% (HPLC)

Product Number
37520

Product Brand
SIAL

CAS Number
139-85-5

Molecular Weight
138.12

Test

Specification

APPEARANCE (COLOR)White to Yellow and Faint Beige to Beige and Faint Brown to Brown and Faint Grey to Grey
APPEARANCE (FORM)Powder
FREE CARBOXYLIC ACID (T)≤ 3.0 %
PURITY (HPLC AREA %)≥ 97.0 %
MELTING POINT150 - 155 C
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE