3, 4 – dihydroxy benzoic acid is a kind of formula for C7H6O4 organic compounds, naturally in flue-cured tobacco leaves, burley tobacco leaf tobacco, tobacco leaf tobacco, flue gas, it looks is a white to light brown needle crystal, dissolved in hot water, ethanol, ethyl ether, slightly soluble in cold water, insoluble in benzene, 3,4-dihydroxybenzoic acid acid to decompose in the boiling water, Release carbon dioxide. 3, 4-dihydroxybenzoic acid is mainly used as dye intermediates, pharmaceutical intermediates and analytical reagents in dyestuff, medicine, chemical industry, biology and other fields.
When storing 3, 4-dihydroxybenzoic acid, we need to avoid its contact with strong oxidants and bases, and do not store or transport 3, 4-dihydroxybenzoic acid mixed with oxidants and strong bases. It is suggested that 3, 4-dihydroxybenzoic acid can be stored in a cool, dry and ventilated special explosive warehouse, which should be far away from fire and heat sources. The warehouse should also be equipped with appropriate leakage containers, explosion-proof lighting and ventilation facilities.