Benzoic Acid Wholesale Reseller• Varanasi Depot Stockist
Food & Pharma Grade (E211)
Packaging Information
25 Kg Moisture-Proof Bags / Drums
CAS No: 532-32-1 • Formula: C7H5NaO2
Sodium Benzoate Powder & Granules (E211)
Purity: 99.0% – 100.5%•Form: White Free-Flowing Granules or Micro-Powder
Sodium Benzoate (E211) offers exceptional water solubility (approx 550g/L at 20°C), making it the preferred liquid-phase preservative for clear beverages, carbonated drinks, cough syrups, and personal care formulations.
Recommended Applications:
Carbonated soft drinks, energy drinks, and flavored waters
Pharmaceutical syrups, elixirs, and liquid suspensions
Personal care products, wet wipes, and mouthwashes
Firework pyrotechnic whistle mix additive
Key Technical Specifications:
CAS Registry No.532-32-1
Food Additive CodeE211
Water Solubility550 g/L at 20°C
Assay (Dry Basis)99.0% – 100.5%
Alkalinity (as NaOH)≤ 0.2%
Heavy Metals≤ 10 ppm
CAS Registry: 65-85-0EINECS: 200-618-2
Benzoic Acid Technical Specifications & Certificate of Analysis (COA)
Chemical Formula: C7H6O2 (C6H5COOH) • Molar Mass: 122.12 g/mol
Physical Characteristics
Physical AppearanceWhite crystalline flakes or fine powder
OdorFaint pleasant aromatic odor
Melting Point121.5°C – 123.5°C
Boiling Point249.2°C at 760 mmHg
Flash Point121°C (Closed Cup)
Chemical Parameters
Density1.265 g/cm³ at 15°C
Bulk Density0.50 – 0.65 g/cm³
pKa (Acid Dissociation)4.20 at 25°C
Sublimation PointSublimes above 100°C
Partition Coefficient (Log Kow)1.87