9953. Veratric Acid

Nomenclature

CAS number: 93-07-2
3,4-Dimethoxybenzoic acid; dimethylprotocatechuic acid.
C9H10O4; mol wt 182.17.
C 59.34%, H 5.53%, O 35.13%.

Description and references

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

Chemical structure

Derivative

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.