pile of sodium benzoate, sodium salt of benzoic acid on wooden surface, close-up. white crystalline powder, c6h5coona. food

potassium sorbate sodium benzoate granular powder chemistry wooden board pure granule benzoic acid pile top view preservative food additive e211 enhancer stabilizers supplement chemical science dry additives medicative agent crystalline hazardous colorant cosmetic ingredient pickling hydroxide carbonic salt calcium white hazard dangerous forbidden compound surface close-up c6h5coona close-up c6h5coona preservative