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Synonyms: Benzoic Acid Sodium Salt
CAS No. : 532-32-1 EINECS: 208-534-8
Molecular Formula: C7H5NaO2 Molecular Weight: 144.10
1) ASSAY % 99.0MIN
2) CHLORIDE ppm: 200MAX
3) HEAVY METAL ppm: 10MAX
4) TOTAL CHLORIDE 300MAX
5) MOISTURE %: 1.5MAX
6) CLARITY OF SOLUTION: TRANSPARENT
7) COLOUR OF SOLUTION: Y6
8) ACIDITY OR ALKALINITY ml/g: 0.2MAX
9) ARSENIC pm: 3 MAX
10) ORGANIC VOLATILE INPURITIES: MEETS THE REQUIREMENTS
MedicineSodium benzoate is white pellet mostly , nothing smelly , has tiny benzoin smell , taste is tiny sweet, sodium benzoate difficult to dissolve in water at normal temperature , tiny volatility in air (especially hot air) , has hygroscopic property , dissolve in hot water, and also dissolve in ethanol , chloroform and non-volatility oil. Sodium benzoate is also the acidity aseptic, without sterilize, restrain bacterial effect at alkalescent medium; it's antiseptic capability is the best. Sodium benzoate easy to dissolve in oil, easy to penetrate cytomembrane enter the cellular inner, disturb the cytomembrane penetrability, restrain the cytomembrane absorb amino acid; enter cellular inner to ionization and acidification cellular alkali reserves, restrains cellular breath enzyme system activity , prevent acetophenetidin coferment A condensation reaction , thereby to antiseptic effect of food.
Be used as food and the medicine aseptic , be used for antifreezing liquid of automobile , steel rust protection. As food additive be broad used for soy, vinegar, jam kind , sorbet , can etc.