Sodium Benzoate
Sodium benzoate is a substance which has the chemical formula NaC7H5O2. It is a widely used food preservative, with an E number of E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water.
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Characteristics:
White crystalloid powder or snouflake or grain. Stable in air. Easy to dissdve water(53.0/g/100ml,25°C), ethanol(1.4g/100ml),1g sodium benzoate tanlamouts 0.847g benzoic acid.
White crystalloid powder or snouflake or grain. Stable in air. Easy to dissdve water(53.0/g/100ml,25°C), ethanol(1.4g/100ml),1g sodium benzoate tanlamouts 0.847g benzoic acid.
Molecular formula:
C7H5NaO2
Applications:
Antiseptic. It can be used in many kinds of food, like sauce, pickles, jam, emnlsificated bean curd, fruit juice, carbonated drinks, all kinds of cans etc.
Used in all kinds of physic atisepsis of medical industry.
Commodity industry: Used in atisepsis of toothpaste, inkpad,paste,adhesive and soon.
Auto antifreeze, steel anticorrosive and organic synthetic stuff etc .
| Item | Standard | |
| BP2000 | E211 | |
| Apprearance | White almost odourless, powder | |
| Purity (as dry product) | 99%min, 100.5%max | 99%min, 100.5%max |
| Loss on drying | 2% max | 1.5% max |
| Heavy metal | 0.001%max | 10mg/kg |
| Mercury | - | 1mg/kg max |
| Lead | - | 5mg/kg max |
| Arsen | - | 3mg/kg max |
| Halogenide (FeCl3) | 0.02% max | - |
| Total chloride content | 0.06% max | 0.06% max |
| Easy oxidisable elements | - | Passed the tests |
| Acids polycycles | - | Passed the tests |
| Acidity or alkalinity, ml/N | 0.25 | 0.25 |
