Sodium Benzoate
Sodium Benzoate
- 532-32-1
- C7H5NaO2
- 25kg/bag
Sodium benzoate, which is a commonly used food preservative in China's food industry, odorless or with the smell of benzoin, sweet and astringent. It is stable in the air and can absorb moisture in the exposed air.
Description
Sodium benzoate is a substance which has the chemical formula NaC7H5O2. It is a widely used food preservative, with an E number of E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.
Basic Info
| Chemical Name | Sodium benzoate |
|---|---|
| Synonyms | sodium salt of benzoic acidsodium benzoate food gradeNatriumbenzoatsodium benzoate preservative |
| CAS No. | 532-32-1 |
| Molecular Formula | C7H5NaO2 |
| Molecular Weight | 144.10300 |
| PSA | 40.13000 |
| LogP | 0.05010 |
Properties
| Appearance & Physical State | White crystalline powder. |
|---|---|
| Density | 1.44 g/cm3 |
| Boiling Point | 249.3ºC at 760 mmHg |
| Melting Point | >300ºC(lit.) |
| Flash Point | 111.4ºC |
| Water Solubility | soluble |
| Stability | Stable, but may be moisture senstive. Incompatible with strong oxidizing agents, alkalis, mineral acids. |
| Storage Condition | Store at RT. |
Safety Info
| RTECS | DH6650000 |
|---|---|
| Safety Statements | S24/25 |
| HS Code | 4002191900 |
| WGK Germany | 1 |
| Risk Statements | R36/37/38 |
| Hazard Codes | Xi |
| Symbol | GHS07 |
| Caution Statement | P305 + P351 + P338 |
| Signal Word | Warning |
| Hazard Declaration | H319 |
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