Sodium Benzoate
A widely used, water-soluble food, cosmetic, and pharmaceutical preservative
Sodium Benzoate
- CAS Number: 532-32-1
- Molecular Formula: C6H5COONa
- Molecular Weight: 160.1
- Purity (%): ≥99.0%
- Grade: food grade and pharmaceutical grade
- Appearance: white powder, crystalline granular, beads or columnar
- Packing: 25 kg/bag
- Other Names: Benzoate of soda, E211, Benzoic acid sodium salt (1:1)
Sodium Benzoate Specification
| ITEMS | SPECIFICATIONS |
| Content(base on C7H5NaO2 dry basis) | ≥99.0% |
| Loss On Drying | ≤1.5% |
| The Acid & Alkalinity | ≤0.2ml |
| Heavy metal | ≤0.001 |
| Chlorides | ≤0.02% |
| Total Chlorine | ≤0.03 |
Sodium Benzoate for Sale
| Form | Appearance | Main Advantages | Possible Limitations | Typical Best Use Cases | Customers Choose |
|---|---|---|---|---|---|
| Powder | Fine white powder | Fast dissolution, easy blending, widely available, suitable for most formulations | More dust during handling, may bridge in some feeding systems | Food additives, liquid formulations, industrial blends, premix systems | Choose it when quick dissolving and easy formulation are priorities |
| Granular | Small irregular granules | Better flowability than powder, less dust, easier storage and handling | Dissolves slower than powder | Large-scale production, bulk handling, automatic feeding systems | Choose it when customers need better handling and less dust |
| Spherical / Bead | Round uniform particles | Excellent flowability, low dust, stable feeding, very good for automatic dosing | Usually higher cost, dissolution may be slower than powder | Precision dosing, automated production lines, export customers with strict handling requirements | Choose it when customers value clean handling, automatic feeding, and consistent flow |
| Columnar / Cylindrical | Small cylindrical particles | Good flowability, controlled feeding, less dust than powder, often balanced performance | Not as common as powder or granules, dissolution speed depends on size | Industrial applications, automatic weighing systems, packaging lines | Choose it when customers want a balance between flow, dust control, and cost |
What is Sodium Benzoate Used for
Food & Beverage Preservative: Sodium benzoate (E211) is widely used to prevent the growth of bacteria, yeast, and mold in acidic foods such as carbonated drinks, fruit juices, jams, pickles, and salad dressings.
Pharmaceutical Preservative: It serves as an antimicrobial preservative in many medicines, including oral syrups, cough liquids, nasal sprays, and topical creams, helping to extend product shelf life.
Corrosion Inhibitor in Industrial Applications: It protects metal surfaces from rusting and is used in automotive antifreeze, coolants, metalworking fluids, and packaging materials like tubes and tins.
Cosmetics & Personal Care: Sodium benzoate is added to skincare products, shampoos, liquid soaps, and oral care products to prevent microbial contamination and ensure product stability.
Chemical Intermediate & Synthesis Aid: It acts as a chemical intermediate in the production of dyes, other organic chemicals, and as a nucleating agent in polypropylene manufacturing, improving processing performance.
FAQ of Sodium Benzoate
It decomposes above 300°C. Under normal storage (below 40°C) it remains stable for up to 24 months.
Yes, when used within approved limits. It is GRAS (Generally Recognized as Safe) by FDA. Pharmaceutical grade is tested for endotoxins and strict microbial limits.
Yes. E211 is the European food additive number for Sodium Benzoate. It is used as a preservative in many foods, beverages, and personal care products.
Yes. Our Sodium Benzoate is gluten‑free, allergen‑free, and suitable for Kosher, Halal (certification available upon request).
Our Sodium Benzoate is supplied in 25kg bags (paper/PE lined or woven) for safe and convenient handling.
Store in a cool, dry, well‑ventilated area away from direct sunlight and moisture. Keep containers tightly sealed to prevent caking.
Sodium Benzoate Supplier - HOO CHEMTEC
HOO CHEMTEC: Your Trusted Partner for Sodium Benzoate
We are a direct supplier of high‑quality Sodium Benzoate (food grade & pharmaceutical grade) in four convenient forms – powder, granular, beads, and columnar. Whether you need fast dissolution for liquid formulations or dust‑free handling for automated systems, we have the right form for your process.
Why choose us?
Consistent quality – every batch tested in our ISO‑certified lab; Certificate of Analysis (CoA) included.
Flexible supply – 25kg bags, pallets, or full containers. Free samples available.
Regulatory compliance – products meet FCC, E211, USP, and EU standards.
Reliable export – fast shipping from China ports with full documentation.
Partner with HOO CHEMTEC for dependable Sodium Benzoate and responsive customer support. Contact us today.
