3,4-Dihydroxybenzoic Acid/Protocatechuic Acid CAS 99-50-3

Protocatechuic Acid Details

Product name: Protocatechuic acid

Other Name: 3,4-Dihydroxybenzoic acid

CAS No.: 99-50-3

Molecular formula: C7H6O4

Molecular weight: 154.12

Appearance: White to slightly brown crystals

Soluble in hot water, ethanol, and ether, slightly soluble in water, insoluble in benzene, petroleum ether.

Derived from the leaf of Lindsaeaceae.

Protocatechuic Acid Specification

Product Name Protocatechuic Acid
Physical and Chemical Properties M.P. 202 – 204 °C(lit.)
B.P. 125 – 135 °C 5mm Hg(lit.)
Density 1.5415 g/cm3
F.P. 156°C
Water Solubility soluble
Items Standard
Appearance White to slightly brown crystals
Assay(HPLC) ≥ 99.5 %
Melting Point 202.0-206.0℃
Loss on Drying ≤ 1.0 %

the Application of Protocatechuic Acid

  • Clinical treatment of chronic bronchitis
  • Cobra poisoning detoxification
  • Material for intermediates and dye synthesis