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Sodium benzoate

Sodium benzoate.

Sodium benzoate is an organic chemical compound, used as a food preservative.

PropertiesEdit

ChemicalEdit

Sodium benzoate will react with sodium hydroxide to produce benzene:

C6H5OONa + NaOH → C6H6 + Na2CO3

Ascorbic acid will also reduce the salt to benzene.

PhysicalEdit

Sodium benzoate is a white hygroscopic compound, with a characteristic smell. It has a solubility in water of 62.7 g/100 mL at standard conditions. Sodium benzoate is also soluble in liquid ammonia and pyridine. It is poorly soluble in methanol and ethanol.

AvailabilityEdit

Sodium benzoate is available as a food preservative, sold in sealed bags.

PreparationEdit

Sodium benzoate can be prepared by reacting benzoic acid and sodium hydroxide, bicarbonate or carbonate.

ProjectsEdit

HandlingEdit

SafetyEdit

Sodium benzoate has low toxicity to humans, and recent studies have shown to have some beneficial effects, in preventing Alzheimer and Parkinson's, though the results aren't conclusive so far. Cats however, have a significantly lower tolerance against benzoic acid and its salts, than rats and mice.

StorageEdit

Should be stored in closed bottles, as it's slightly hygroscopic.

DisposalEdit

Sodium benzoate has low toxicity and doesn't require special disposal.

ReferencesEdit

Relevant Sciencemadness threadsEdit

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