Sodium Benzoate
| Formula: | C₇H₅NaO₂ |
| CAS Number: | 532-32-1 |
| EC Number (EINECS): | 205-399-7 |
| HS Code: | 29163000 |
| UN Number: | 1791 |
| IUPAC Name: | Sodium Benzoate |
| Also Known As: | E211; Benzoic Acid Sodium Salt |
| Molecular Weight, g/mol: | 144.11 |
Typical Specifications
| Appearance: | White crystalline powder |
| Odor: | Odorless or faint benzoic odor |
| Melting Point, °C: | 300 (decomposes) |
| Boiling Point, °C: | 400 (decomposes) |
| Density, g/cm³ (at 20°C): | 1.44 |
| pH (1% solution): | 7–8 |
| Purity, %: | ≥99.0 |
| Grades Available: | Food Grade (FCC), Technical Grade |
| Packaging: | 25kg bags, 50kg bags, 500kg jumbo bags, bulk |
Applications / Uses
Primary Applications
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Food preservative (E211) to prevent microbial growth in beverages, sauces, and pickles
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Used in cosmetics and personal care products as a preservative
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Ingredient in pharmaceuticals for stability and preservation
Secondary Applications
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Intermediate in chemical synthesis of benzoic acid derivatives
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Used in corrosion inhibitors and industrial lubricants
End Industries Served: Food & Beverage, Cosmetics, Pharmaceuticals, Chemical Industry
Safety & Handling Information
Hazard Class (GHS): Not classified as hazardous under normal handling; may cause mild irritation
Hazard Statements (H-Codes):
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H319: Causes serious eye irritation (dust or concentrated solution)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P261: Avoid breathing dust
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
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Store in a cool, dry, ventilated area
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Protect from moisture and contamination
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Keep container tightly closed
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods