Sodium Benzoate IP
Sodium Benzoate is the sodium salt of benzoic acid and is a widely used preservative known by the E number E211. Benzoic acid occurs naturally at low levels in cranberries, prunes, greengage plums, cinnamon, ripe cloves and apples.
Sodium benzoate is used as a food preservative. It is also used as a treatment for urea cycle disorders, to treat hyperammonemia and in fireworks as a fuel in whistle mix.
Chemical Name: Sodium Benzoate
Mol. Formula: C7H5NaO2
Mol. Weight: 144.11 g/mol
CAS No.: 532-32-1
|Appearance||A white, crystalline or granular powder or flakes; odorless or with a faint odor; hygroscopic.|
|Solubility||Freely soluble in water, sparingly soluble in alcohol(90% v/V)|
|Appearance of solution||The solution is clear and not more intensely colored than the reference solution|
|Acidity or alkalinity||Passes test|
|Heavy metals||Maximum 20ppm|
|Chlorinated compounds||Passes test|
|Loss on drying||Not more than 2%|
|Assay||Not less than 99% and not more than 100.5%|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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We observe WHO Good manufacturing practice and Good laboratory practice.