Sodium benzoate is an antiseptic used for oral liquid medicines. It has the effect of preventing deterioration and sourness and prolonging the shelf life. Excessive dosage can cause harm to the human liver and even cause cancer.
Physical and chemical properties: CAS: 65-85-0 Molecular formula: C7H6O2 Molecular weight: 122 Melting point: 122-123°C
Physical and chemical properties
1. Content: ≥99.5%
2. Appearance: qualified
3. Water insoluble matter: 0.01
4. Alkalinity: qualified
5. Chloride: 0.01
6. Sulfate: 0.005;
7. Iron: 0.0005
8. Heavy metals (calculated as Pb): 0.0005
9. Appearance and properties: white particles or crystalline powder, odorless or slightly benzoin smell;
10. Melting point: 122.4°C;
11. Boiling point: 249ºC;
12. Flash point: 121-123ºC (closed cup)
| Sodium benzoateName |
Sodium benzoate |
| Appearance |
White Granular |
| Chemical Formula |
C7H5O2Na |
| Standard |
USP, FCC, BP, EP, JP, etc. |
| Grade |
Food, Pharma, Reagent |
| Certifications |
GB/T19001-2008/ISO9001:2008; Kosher, Halal, SGS,TUV |
| Used |
Preservative, Pharmaceutical applications, fireworks fu |
| tem |
Standard |
| Identification |
Positive |
| Melting point of insolated saccharin °C |
226-230 |
| Appearance |
White crystals |
| Content % |
99.0-101.0 |
| Loss on drying % |
≤15 |
| Ammonium salts ppm |
≤25 |
| Arsenic ppm |
≤3 |
| Benzoate and salicylate |
No precipitate or violet color appears |
| Heavy metals ppm |
≤10 |
| Free acid or alkali |
Complies |
| Readily carbonizable substances |
Not more intensely colored than reference |
| P-toluene sulfonamide |
≤10ppm |
| O-toluene sulfonamide |
≤10ppm |
| Selenium ppm |
≤30 |
| Related substance |
Complies |
| Clarity and color solution |
Colorless and clear |
| Organic Volatiles |
Complies |
| PH value |
Complies |
Audited Supplier 
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