White Sodium Benzoate Powder
Sodium benzoate (chemical formula: C6H5CO2Na), E code E211, is the sodium salt of benzoic acid. Sodium benzoate is an acidic preservative, preservative effect in acidic environment is better, it is commonly used food preservatives, to prevent the deterioration of acid, to extend the shelf life of the effect, are widely used in all countries in the world.Sodium benzoate mostly white granules, odorless or micro-band benzoin odor, slightly sweet taste, astringent; soluble in water (room temperature) 53.0g / 100ml or so, PH is about 8; sodium benzoate is also an acidic preservative, Sex medium without bactericidal, bacteriostatic; its best anti-corrosion PH is 2.5-4.0, 5% solution in PH5.0 bactericidal effect is not very good.Use: 1, This product is excellent food preservative, used in various kinds of food including sauce, pickles, jam, preserved beancurd, fruit juice, soda pop and various kinds of cans. 2, Can be used in medical industry for drug anticorrosion. 3, Daily-used industry, used in anticorrosion of toothpaste, inkpad, paste and adhesive etc.. 4, Also widely used in organic chemical industry.
Quality standard(GB1902-05)
|
Item |
Index |
|
Content |
≥99.0 % |
|
Water content |
≤1.5 % |
|
Alkalinity acidity |
≤0.2ml |
|
Chloride |
≤0.03 % |
|
Heavy metal |
≤0.001 % |
|
Arsenic |
≤0.0002 % |
|
Sulphate |
≤0.10 % |
|
Color of 10% aqueous solution |
Meet the specification |
|
Milkiness degree of solution |
Meet the specification |
|
Phthalic acid |
Pass the test |
|
Readily oxidizable substance |
Pass the test |