Sodium Benzoate CAS 532-32-1

Sodium Benzoate CAS 532-32-1

Sodium benzoate is used as a food additive (preservative), a fungicide for the pharmaceutical industry, a mordant for the dye industry, a plasticizer for the plastics industry, and an intermediate for organic synthesis such as perfumes.
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Product Details

 

Product name: 
Sodium Benzoate
Molecular Formula: 
C7H5NaO2 
Molecular Structure: 
苯甲酸钠结构式.png
Molecular Weight:
144.11
CAS No.:  
532-32-1


Description

Sodium Benzoate occurs as white granules, crystalline powder, or flakes. One gram dissolves in 2mL of water, in 75mL of alcohol, and in 50mL of 90% alcohol.

 

Application

Sodium Benzoate is a highly effective preservative, odorless or with smell of benzoin and tasted sweet astringency. Antiseptic performance of 1.180g sodium benzoate is equivalent of about 1g benzoic acid. In acidic environment, it has obvious inhibitory effect on a variety of microorganisms, but it isn’t recommended as a preservative at pH ranges higher than 4.5. Sodium benzoate is widely used for preserving foods, beverages, pharmaceuticals and it is also used to preserve low alcohol (<15%) as well as non-alcoholic beer.

 

Specification

Appearance
White crystalline powder or granules
Identification
It gives reaction of sodium and benzoate
Assay
99.0-100.5%
Water
≤1.5%
Acidity or alkalinity
≤0.04%(as NaOH)
Lead 
≤2ppm


Packing  

25kg/paper bag or as per requirement.

 

Storage

Store in a cool, dry place.

 

Minimum Order

100kgs

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