Sodium Benzoate 

Appearance

White Crystalline powder, columnar or global granular

Identification

Positive

Assay

99.0~100.5%

Loss on drying

≤1.50%

Sulphate

None

Chloride

≤0.02%

Chloride compound

≤0.03%

Heavy Metals (as Pb)

≤0.001%

Arsenic

≤0.0002%

Mercury

≤0.0001%

Volatility

Up to the requirement

Acidity and alkalinity

≤0.20mL/g

Clarity of Solution

Clear and colorless

Water Solubility

600 g/l (ref temperature 20 °C )

Benzene

≤0.010%

Chloroform

≤0.005%

1, 4-Dioxane

≤0.010%

Methylene Chloride

≤0.050%

Trichloroethylene

≤0.010%