Sodium chloride

CAS number: 7647-14-5

Molecular formula: NaCl22

molecular weight: 57.4474

Chemical structure:


Product nameSodium chloride
Shelf Life4 years

Technical indexStandardsTest results

Characters

white, crystalline powder or olourless crystals, freely soluble in water, practically insoluble in ethanol. 


To pass test

Identification

It gives the reactions of chlorides and sodium.


To pass test

Acidity or Alkalinity

Comply with the standard


To pass test

Appearance of solution

Clear and colourless


To pass test

Iodides

Comply with the standard


To pass test

Bromides

≤50ppm

<50ppm

Ferrocyanides

Comply with the standard


To pass test

Nitrites

≤0.01<0.01

Phosphates

≤0.0025%<0.0025%

Sulfates

≤0.02%<0.02%

Aluminium

≤0.00002%<0.00002%

Barium

Comply with the standard


To pass test

Potassium

≤0.05%<0.05%

Iron

≤0.0002%<0.0002%

Magnesium and alkaline-earth metals

≤0.01%<0.01%

Arsenic

≤0.0001%<0.0001%

Heavy metals

≤0.0005%<0.0005%

Loss on drying

≤0.5%0.02%

Assay

99.0~100.5%99.9%

Conclusion

Comply with BP 2009