Sodium Iodide 99.5-100.5% BP



Sodium iodide is a white, crystalline salt with the chemical formula NaI, and is used in radiation detection, treatment of iodine deficiency, and as a reactant in the Finkelstein reaction.

  • General Laboratory Reagent
  • Food Supplement
  • Organic Synthesis
  • Radiation physics and medicine

Minimum Assay: 99.5 – 100.5%
Molecular Formula: NaI
Molecular Weight: 149.89
Solubility in water (% weight): 184 g/100 ml @ 250 C
Melting Point: 651°C
Boiling Point: 1300°C
Refractive Index: 1.7745
Loss on drying @ 105 C: <0.03%
Chloride & Bromide (as Cl): 0.008%
Sulphate (SO4): <0.001%
Iodate (IO3): <0.0003%
Total nitrogen (N): <0.002%
Heavy metal (as Pb): <0.0005%
Phosphate (PO4): <0.001%
Iron (Fe): 0.0002%
Calcium (Ca): 0.00075%
Potassium (K): <0.006%
Barium (Ba): <0.001%
Copper (Cu): <0.0001%

Hazard Class: 9

Packing Group: 3

Hazard Phrazes: Causes skin irritation. Causes serious eye irritation. Very toxic to aquatic life.

Prec Phrazes: Avoid release to the environment. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Cas No: 7681-82-5
Einecs No: 231-679-3

HS CODE: 2901100000


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


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