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1. Chemical Name:Sodium benzoate
2. Molecular Formula: C7H5NaO2
3. Molecular Weight: 144
4. CAS:532-32-1
5. Properties: white particles or crystal powder. Without odour, have sweet acerbity.
6. Uses: Preservative antimicrobial agent, widely used in food, pharmaceutical industry,cigarette, electroplating,mordant from dry printing industries.plasticiser,antifreeze.
7. Packing: 25kg(net weight)woven bag or kraft paper bag lined with plastics bag.
8. Storage & transportation: Kept in tightly closed containers, it should be stored in a dry and ventilative warehouse, kept away from moisture and hot. Furthermore, it should be stored separately from poisonous substances. Handled with care, so as to avoid to damage bags. Its expiry date is two years.
9.Quality index as below:
|
Index name |
GB1902-2005 |
|
Appearance |
White particles or crystal powder |
|
Assay(as dry) |
99.0-100.5 |
|
1:10 Chromaticity aqueous solution /(Platinum-cobalt color number)Hazen |
≤20 |
|
clarity |
Pass test |
|
Compounds easy to be oxide |
Pass test |
|
pH value |
Pass test |
|
Heavy metal (as Pb) /% |
≤0.001 |
|
As ,mg/kg |
≤2 |
|
Sulfate(as SO4)% |
≤0.1 |
|
Chloride(as Cl)% |
≤0.03 |
|
Phthalic acid |
Pass test |
|
Loss on drying% |
≤1.5 |
