High Purity Sodium Benzoate (≥99%) Multipurpose Preservative
Sodium Benzoate, CAS 532-32-1, also known as E211, is a high-efficiency, water-soluble food-grade preservative. This white crystalline powder is odorless, soluble in water and ethanol, with high purity (≥99%) and non-toxic properties. As a widely used preservative, it effectively inhibits the growth of mold, yeast and bacteria, extending product shelf life across multiple industries.
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Product Specifications
| Parameter |
Specification |
| Product Name |
Sodium Benzoate |
| Food Additive Code |
E211 |
| Molecular Formula |
C7H5NaO2 |
| Appearance |
White crystalline powder, odorless |
| Purity |
≥99% |
| Solubility |
Soluble in water (60g/100mL at 20°C), soluble in ethanol |
| Grade |
Food Grade, Industrial Grade |
| Packaging |
25kg/bag |
| Storage |
Cool, dry and dark place, avoid moisture and high temperature |
| Shelf Life |
24 months (unopened, proper storage) |
Frequently Asked Questions
What is Sodium Benzoate used for?
Sodium Benzoate is a high-efficiency preservative widely used in food (beverages, sauces, pastries, candies), cosmetics (toners, lotions, masks), pharmaceuticals (oral liquids, topical ointments) and industrial applications (coatings, inks) to inhibit microbial growth and extend shelf life.
Is Sodium Benzoate safe for food and cosmetic use?
Yes. It is non-toxic, compliant with international standards, and approved for food and cosmetic use. When used within recommended concentrations, it poses no harm to human health and causes no skin irritation.
What is the difference between food grade and industrial grade Sodium Benzoate?
Food grade has ≥99% purity, meets food safety standards, and is used in food, cosmetics and pharmaceuticals. Industrial grade has slightly lower purity and is mainly used as a preservative in industrial products like coatings and inks.
How to store Sodium Benzoate properly?
Store in a cool, dry and dark place, avoiding moisture and high temperature. Unopened products can be stored for 24 months; once opened, seal tightly and use within 3 months to prevent moisture absorption and caking.
Can I get a sample before placing a bulk order?
Yes. We provide free small samples (50g) for quality testing. You only need to bear the shipping cost.
What is the MOQ and shipping time?
The minimum order quantity is 1000kg. For bulk orders (≥1000kg), shipping takes 3-5 weeks with global fast shipping.
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