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Sodium Benzoate Preservative

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Sodium Benzoate Preservative

Name: Sodium Benzoate          

CAS No.: 532-32-1

EINECS No:208-534-8

AppearanceWhite granules or crystalline powder

Molecular formula: C7H5NaO2

Molecular Weight: 144.1032

Density: 1.44 g/cm³

Melting point: 300℃

Boiling point: 249.3°C at 760 mmHg

Flash point: 111.4°C

Water solubility: soluble

Vapor Pressure: 0.0122mmHg at 25°C

  • Product Details


Sodium Benzoate CAS NO.532-32-1

 

Name:  Sodium Benzoate 

CAS No.:  532-32-1

EINECS No:208-534-8

AppearanceWhite granules or crystalline powder

Molecular formula: C7H5NaO2

Molecular Weight:  144.1032

Density: 1.44 g/cm³

Melting point: 300℃

Boiling point: 249.3°C at 760 mmHg

Flash point: 111.4°C

Water solubility: soluble

Vapor Pressure: 0.0122mmHg at 25°C

Molecular structure:

image

Anticorrosion mechanism

Benzoic acid preservatives act on their undissociated molecules. Undissociated benzoic acid has strong lipophilicity and is easy to pass through the cell membrane and enter the cell, interfering with the permeability of the cell membrane of microorganisms such as molds and bacteria, and hindering the cell membrane's resistance to amino acids. Absorb and enter the benzoic acid molecules in the cell, acidify the alkali storage in the cell, inhibit the activity of the respiratory enzyme system in the microbial cell, and thus play a preservative role.

Benzoic acid is a broad-spectrum antimicrobial agent, which has a good effect on yeast, mold and some bacteria. It has an inhibitory effect on various bacteria within the maximum allowable use range and pH value below 4.5.


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