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1、Chemical Name:Sodium benzoate
2、Molecular Formula :C7H5Na O2
3、Molecular Weight: 144.11
4、CAS: 532-32-1
5、Character: White crystalline granule or powder; Odorless or with little benzoin smell. Stable in air. Highly soluble in water (53.0g/100ml,25℃). Soluble in ethanol (1.4g/100ml). The PH value of aqueous solutionis 8.
6、Usage: It is used as preservatives, and antimicrobial.
7、Packing:It is packed with polythene bag as the inner layer, and polywoven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry, clean, and ventilativewarehouse, kept away from water and moisture during transport, unload with care so as to avoid damaging the bags. Be cautious to keep away from moisture and hot.
| Item | Standard | Testing results | |
| Content | 99.0 %min | 99.68% | |
| Loss on drying | ≤2.0% | 1.32% | |
| The Acid & Alkalinity | ≤0.2ml | <0.2ml(on the principle of 0.1mol/l NaOH) | |
| Appearance | Free flowing white powder | Passed the test | |
| Clarity of Solution | Clear & Colourless | Passed the test | |
| Chlorides | ≤0.02% | <0.02% | |
| Total Chlorine | ≤0.03% | <0.03% | |
| Heavy Metal | ≤0.001% | <0.001% | |
| Arsenic | ≤0.0003% | <0.0003% | |
| Mercury | ≤0.0001% | <0.0001% | |
| Conclusion | Qualified | ||