Quality standard of sodium benzoate Appearance: white amorphous powder (or bar particle, nodular particle) solids, readily soluble in water, slightly soluble in alcohol Applications: widely used as a preservative in food and medicines, anti-icing fluid in automobiles, antirust agent of iron and steel, and plastics ingredients
Storage and transport: keep in tightly closed containers, stored in a dry and ventilated warehouse, kept away from moisture and heat; furthermore, it should be stored separately from poisonous substances, handled carefully to avoid damage to bags. 25kg net per plastic woven bag with PE bag inner
Specification: Identification: passes test Assay(as C7H5NAO2): 99.0-100.5 Loss on drying: 1.5% max Acidity& alkalinity: passes test Transparency and color: passes test Heavy metals: 10ppm max Arsenic: 2ppm max Halogenide(FeCL3): 200ppm max Total CL content: 300ppm max Chlorinated compounds: 25ppm Organic Volatile impurities: BENZOATE : 100MAX CHLOFOLOAW: 50MAX 1.4DIOXANE 100MAX METHYLENE CHLORIDE: 500MAX TRICHLORO ETHYLENE : 100MAX
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