Model: | MOS532-32-1 |
Brand Name: | MOSINTER |
CAS No.: | 532-32-1 |
Melting point: | >300 °C(lit.) |
Density: | 1,44 g/cm3 |
Storage condiion: | Store at RT. |
Flashing point: | >100°C |
Solubility: | H2O: 1 M at 20 °C, clear, colorless |
Solule: | Soluble |
Sodium Benzoate (CAS: 532-32-1)
Item | Index |
Molecular Weight | 144.1032 |
Molecular Formula | C7H5NaO2 |
Melting Point(℃) | 300℃ |
Boiling Point(℃) | 249.3°C at 760 mmHg |
Flash Point(℃) | 111.4°C |
Sodium benzoate has the chemical formula NaC7H5O2; it is a widely used food preservative,
with E number 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. Benzoic acid occurs
naturally at low levels in cranberries, prunes, greengage plums,cinnamon, ripe cloves, and apples.
Uses
Preservative
Sodium benzoate is a preservative. As a food additive, sodium benzoate has the E number E211. It is
bacteriostatic andfungistatic under acidic conditions. It is most widely used in acidic foods such as salad
dressings (vinegar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles (vinegar),
and condiments. It is also used as a preservative in medicines and cosmetics. Concentration as a preservative
is limited by the FDA in the U.S. to 0.1% by weight. Sodium benzoate is also allowed as an animal food additive
at up to 0.1%, according to AFCO’s official publication.
Pharmaceutical applications
Sodium benzoate is used as a treatment for urea cycle disorders due to its ability to bind amino acids. This leads to
excretion of these amino acids and a decrease in ammonia levels. Recent research shows that sodium benzoate may
be beneficial as an add-on therapy (1 gram/day) in schizophrenia. Total Positive and Negative Syndrome Scale scores
dropped by 21% compared to placebo.
Other uses
Sodium benzoate is also used in fireworks as a fuel in whistle mix, a powder that emits a whistling noise when compressed
into a tube and ignited. The fuel is one of the fastest-burning rocket fuels and provides a lot of thrust and smoke. It is sensitive to impact and can explode when sharply compressed.
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