71300

Sodium benzoate

purum p.a., ≥99.0% (NT)

• Synonym(s): Benzoic acid sodium salt
• Linear Formula: C₆H₅COONa
• CAS Number: 532-32-1
• Molecular Weight: 144.10
• Beilstein/REAXYS Number: 3572467
• EC Number: 208-534-8
• MDL number: MFCD00012463
• UNSPSC Code: 12352100
• eCl@ss: 39024301
• PubChem Substance ID: 329763166
• NACRES: NA.21

Properties

• grade: purum p.a.
• Quality Level: 200
• assay: ≥99.0% (NT)
• form: powder
• mp: >300 °C (lit.)
• solubility: water: soluble(lit.)
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Ca: ≤50 mg/kg; Cd: ≤50 mg/kg; Co: ≤50 mg/kg; Cu: ≤50 mg/kg; Fe: ≤50 mg/kg; K: ≤2000 mg/kg; Ni: ≤50 mg/kg; Pb: ≤50 mg/kg; Zn: ≤50 mg/kg
• SMILES string: [Na+].[O-]C(=O)c1ccccc1
• InChI: 1S/C7H6O2.Na/c8-7(9)6-4-2-1-3-5-6;/h1-5H,(H,8,9);/q;+1/p-1
• InChI key: WXMKPNITSTVMEF-UHFFFAOYSA-M

Description

General description

Sodium benzoate is the sodium salt of benzoic acid. On dissolution in water it affords weakly basic solution. It is widely employed as a food preservative and in various cosmetic products. It has anti-corrosive properties. Its determination in fruit juices, sodas, soy sauce, ketchup, peanut butter, cream cheese and other foods by HPLC method has been proposed. It exhibits microbicidal action and is added as anti-microbial agent in various food products. It is a Food and Drug Administration-approved nontoxic drug.

application

Sodium benzoate may be used in the preparation of various heavy metal benzoates.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H319
• pcodes: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)