Sodium Benzoate

Product Detail

Sodium Benzoate

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.






Introduction

Appearance:White powder/granular

Molecular formula: 2(C3H6O2)CA

Molecular weight: 186.22

CAS No.: 4075-81-4              

HS No.: 29163100.90

FEMA No.: 3025

EINECS No.:223-795-8

Function : Preservative,brewing,dyes.

 

Technical Specification

ITEM	Specification
Assay	99.0% Min.
Loss on drying	1.5% Max.
Chloride	0.02% Max.
Sulfate	0.10% Max.
Chloride Compound	0.03% Max.
Heavy metals	10 ppm Max.
Acidity or Alkalinity	0.2ml/g Max.
Arsenic (As)	2 ppm Max.
Readily carbonisable Substances	Meets the requirements
Clarity of solution	Transparent
Colour of solution	Y6
Benzene(ug per g)	2 ug Max.
Chloroform(ug per g)	60 ug Max.
1,4-Dioxane(ug per g)	380 ug Max.
Methylene chloride(ug per g)	600 ug Max.

 

Application

Sodium benzoate is a good Preservative, used in acidic foods and products to control bacteria, mold, yeasts, and other microbes. It interferes with their ability to make energy. And used in medicine,tobacco,plating,printing and dyeing.







Packing

25 kg/woven bag or kraft paper bag

 

Storage and Transportation

Stored in dry, draughty and clean warehouse; protect against dampness and heating;kept away from toxic articles, handle with care, protect against damage to packing.