Description
Sodium benzoate is a reagent used in the synthesis of benzene-based derivatives, specifically 5-pyrazolinone derivatives, and aminoflavones and trihydroxybenzoyl flavanoid analogs.
Sodium Benzoate
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CAS NO: 532-32-1
MOLECULAR FORMULA : C7H5O2•Na
MOLECULAR WEIGHT: 144.10
| Product Information | |
| Grade | Ph Eur,BP,NF,FCC,E 211 |
| Hill Formula | C₇H₅NaO₂ |
| Chemical formula | C₆H₅COONa |
| Molar Mass | 144.10 g/mol |
| HS Code | 2916 31 00 |
| Quality Level | MQ500 |
| Physicochemical Information | |
| Density | 1.50 g/cm3 (20 °C) |
| Ignition temperature | >500 °C |
| Melting Point | 436 °C |
| pH value | 8 (100 g/l, H₂O, 20 °C) |
| Bulk density | 350 kg/m3 |
| Solubility | 556 g/l |
| Toxicological Information | |
| LD 50 oral | LD50 Rat 3140 mg/kg |
| Safety Information according to GHS | |
| Hazard Pictogram(s) | |
| Hazard Statement(s) | H319: Causes serious eye irritation. |
| Precautionary Statement(s) | P264: Wash skin thoroughly after handling. |
| P280: Wear eye protection/ face protection. | |
| P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. | |
| P337 + P313: If eye irritation persists: Get medical advice/ attention. | |
| Signal Word | Warning |
| RTECS | DH6650000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 3 |
| Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. | |
| Storage and Shipping Information | |
| Storage | Store at +2°C to +25°C. |
| Transport Information | |
| Declaration (railroad and road) ADR, RID | Kein Gefahrgut |
| Declaration (transport by air) IATA-DGR | No Dangerous Good |
| Declaration (transport by sea) IMDG-Code | No Dangerous Good |
| Specifications | |
| Assay (acidimetric, calc. on anhydrous substance) | 99.0 – 100.5 % |
| Assay (HPLC, calc. on anhydrous substance) | 99.0 – 101.0 % |
| Identity (IR-spectrum) | passes test |
| Identity (HPLC) | passes test |
| Identity (wet chemistry) | passes test |
| Appearance of solution (100 g/l, water) | clear and not more intense in color than reference solution Y6 |
| Acidity or alkalinity | passes test |
| Chloride (Cl) | ≤ 200 ppm |
| Total chlorine | ≤ 300 ppm |
| As (Arsenic) | ≤ 3 ppm |
| Hg (Mercury) | ≤ 1 ppm |
| Pb (Lead) | ≤ 2 ppm |
| Residual solvents (ICH Q3C) | excluded by production process |
| Multinuclear acids | passes test |
| Oxidizable matter | passes test |
| Water (according to Karl Fischer) | ≤ 1.5 % |
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