Sodium benzoate
Sodium benzoate (CAS: 532-32-1, C6H5COONa) is the sodium salt of benzoic acid, appearing as a white crystalline powder. It is highly soluble in water and known for its preservative properties. This versatile organic compound serves as a crucial building block in chemical synthesis and is widely employed as a food preservative and in various industrial applications. Tech Serve Solutions supplies high-purity Sodium Benzoate for research and industrial needs.
- IUPAC
- Benzoic acid sodium salt
- Synonyms
- Benzoic acid sodium saltBenzoate de sodiumSodium phenylcarboxylate
Preservative
Sodium benzoate is extensively used as a preservative in foods, beverages, and personal care products due to its antimicrobial properties, inhibiting the growth of bacteria, yeasts, and moulds.
Chemical Synthesis
As an organic building block, it plays a role in various chemical syntheses, particularly in reactions involving carboxylic acid derivatives.
Industrial Applications
It finds use in the manufacturing of dyes, pharmaceuticals, and as a corrosion inhibitor in antifreeze solutions.
Laboratory Reagent
This compound serves as a valuable reagent in laboratory settings for analytical and synthetic purposes.
| Molecular weight | 144.10 |
|---|---|
| Linear formula | C6H5COONa |
| Assay | ≥99.0% (NT) |
| Grade | purum p.a. |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 7.0-8.5 (25 °C, 1 M in H2O) |
| Loss on drying | ≤0.5% loss on drying, 20 °C (HV) |
| Melting point | >300 °C(lit.) |
| Impurities tested | insoluble matter, passes filter test |
Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | >100 °C / >212 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
| Cation traces | Ca: ≤50 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgCu: ≤50 mg/kgFe: ≤50 mg/kgK: ≤2000 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤50 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | absorption1M/295 nm, H2O cut-off |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium Benzoate used for?
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Sodium benzoate is primarily used as a preservative in food, beverages, and personal care products, and as a building block in chemical synthesis.
What are the CAS number and chemical formula for Sodium Benzoate?
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The CAS number for Sodium Benzoate is 532-32-1, and its linear formula is C6H5COONa.
What grade and purity does Tech Serve Solutions supply for Sodium Benzoate?
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Tech Serve Solutions supplies Sodium Benzoate with a purity of ≥99.0% (NT) and a 'purum p.a.' grade. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product data.
How should Sodium Benzoate be handled safely?
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Sodium Benzoate (GHS07, Warning) can cause serious eye irritation (H319). Handle with appropriate personal protective equipment, including eyeshields and gloves. In case of eye contact, rinse cautiously with water for several minutes (P305 + P351 + P338).
How is Sodium Benzoate packed and shipped by TSS?
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Tech Serve Solutions exports Sodium Benzoate globally, ensuring appropriate packaging for safe transport. Specific packaging details are available upon request.
How can I request a quote or sample for Sodium Benzoate?
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To request a quote or sample of Sodium Benzoate, please contact our sales team through the website or by phone.
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