Title: Methylenedigallic Acid
CAS Registry Number: 552-21-6
CAS Name: 2,2¢-Methylenebis[3,4,5-trihydroxybenzoic acid]
Molecular Formula: C15H12O10
Molecular Weight: 352.25
Percent Composition: C 51.15%, H 3.43%, O 45.42%
Literature References: Made by heating a mixture of gallic acid, formaldehyde and dil HCl on the water bath.
Properties: Crystals. Insol in cold, sparingly in hot water; sol in alcohol, alkalies.