Sodium iodide Na131I, solution for injection

Radionuclidic purity: 

≥ 99.9%

Radiochemical purity: 

≥ 97%


7 days


21 days from the production date.


Store below 25°C.

Pharmaceutical form: 

Solution for injection.

Active substance: 

Sodium iodide Na131I  37-740 MBq/ml


sodium carbonate
sodium bicarbonate
sodium thiosulphate pentahydrate
sodium chloride
water for injection


Sodium iodide Na131I, solution for injection is supplied in the 10 ml multi-dose glass vial. The vial is sealed with the rubber stopper and aluminium cap, placed in the lead shielding container.


This medicinal product is used for diagnostic procedures of thyroid function (hyperthyroidism and hypothyroidism), to determine the localisation of thyroid tissue (including ectopy), its size, shape, functional characteristics of focal lesions such as cold (not trapping iodine) and warm  (trapping iodine to the same extent as normal thyroid parenchyma) nodules. It is a basic radioisotope to detect metastatic lesions of differentiated tumours of the thyroid (following the surgical removal of the thyroid or radioisotopic ablation).
Scintigraphy of thyroid gland and thyroid carcinoma metastases.
In the therapy of: nodular goitre, hyperthyroidism in Graves-Basedov’s disease, autonomic thyroid nodules, Plummer’s disease. This medicinal product is used for the thyroid residue ablation after surgery of differentiated thyroid cancers  and in the treatment of differentiated thyroid carcinoma metastases.




Our product range includes radiopharmaceuticals, radiochemicals, radioactivity standards and sealed radiation sources. We offer a broad selection of services and workshops, and training.

About Us

National Centre for Nuclear Research, Radioisotope Centre POLATOM is manufacturer and distributor of the isotopic goods applied in medicine, research and development, industry and environment protection.


The high professionalism of our company has been confirmed by a number of certificates including GMP for radiopharmaceutical production.