Products
| 3,4-Dihydroxybenzoic acid | |
| Product name | 3,4-Dihydroxybenzoic acid |
| Chinese name | 原儿茶酸；邻苯二酚-4-羧酸 |
| English name | 3,4-Dihydroxybenzoic acid |
| Molecular formula | C7H6O4 |
| Molecular weight | 154.12 |
| CAS No. | 99-50-3 |
| Product photo |  |
| Structure |  |
| chemical properties | Soluble in hot water, ethanol and ether, slightly soluble in cold water, insoluble in benzene. Decompose in boiling water and release carbon dioxide. In aqueous solution of ferric chloride in sodium bicarbonate is green, dark red. |
| Appearance | White to slightly brown needle crystal |
| Melting point | 197-200°C |
| Content | >99% |
| Moisture | |
| Packing | 25kg |
The other explanation |
Purpose: protocatechuic acid has antibacterial activity, in vitro test time of Pseudomonas aeruginosa, Escherichia coli, Salmonella typhi, dysentery bacillus, Alcaligenes and Bacillus and Staphylococcus aureus were different degrees of bacteriostasis. |
