Title: Veratric Acid

CAS Registry Number: 93-07-2

CAS Name: 3,4-Dimethoxybenzoic acid

Additional Names: dimethylprotocatechuic acid

Molecular Formula: C9H10O4

Molecular Weight: 182.17

Percent Composition: C 59.34%, H 5.53%, O 35.13%

Literature References: Isolated from seed of Schoenocaulon officinale (Schlecht. & Cham.) A. Gray (Sabadilla officinarum Brandt). Prepn: Arthur, Ng, J. Chem. Soc. 1959, 3094.

 

Derivative Type: Monohydrate

Properties: Odorless crystals. At 100° becomes anhydr; mp 180-181° when anhydr. Sublimes in rhombic crystals. Sol in 2150 parts cold, 165 parts boiling water; very sol in alcohol or ether. Its barium salt is but slightly sol in water.

Melting point: mp 180-181° when anhydr