Sodium Benzoate (C₇H₅NaO₂) is a white, crystalline powder used primarily as a preservative in food and beverages. It is effective in inhibiting the growth of mold, yeast, and bacteria, thereby extending the shelf life of products. In addition to its role in food preservation, Sodium Benzoate is used in cosmetics and pharmaceuticals for its antimicrobial properties. Its safety and efficacy make it a popular choice for maintaining product quality and ensuring consumer safety.
Test Parameter | Specification | Result |
Appearance | White Crystalline Powder | Complies |
Purity | ≥ 99% | 99.2% |
Water Content | ≤ 1% | 0.5% |
pH (5% solution) | 7.0 - 9.0 | 8.0 |
Heavy Metals | ≤ 10 ppm | < 5 ppm |
Arsenic | ≤ 1 ppm | < 0.5 ppm |
Lead | ≤ 1 ppm | < 0.5 ppm |