White crystalline powder or granules, odorless or slightly with benzoin odor, slightly sweet and astringent taste; stable in air, aqueous solution is weakly alkaline (pH 7.0-8.5), and easily decomposes upon heating.
Physical & Chemical Properties
Molecular FormulaC7H5NaO2
Density:1.44g/cm³g/cm³
Boiling Point:
Solubility:
Freely soluble in water, slightly soluble in ethanol.
Molecular Weight:144.11g/mol
Flash Point:>100℃
Melting Point:>300℃
Uses
1. Food preservative: Widely used in soy sauce, vinegar, beverages, jams, canned food and other foods to inhibit the growth of molds and yeasts.
2. Pharmaceutical industry: Used as a preservative, bactericide and external disinfectant for pharmaceutical products.
3. Industrial applications: Dye intermediate, textile auxiliary, plastic stabilizer, circulating water treatment agent, etc.
4. Cosmetics & daily chemicals: Antiseptic and antibacterial agent in skin care products, toothpaste and shampoo.
Safety, Security & Risk
Physical Hazards
May form flammable dust-air mixtures; may cause dust explosion.
Chemical Hazards
Decomposes upon heating, releasing irritating fumes.