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Iodine-131

IODINE-131 RADIOCHEMICAL

PRODUCT SPECIFICATIONS

Physical Characteristics

Half-life:

8.02 days to stable Xe-131 (99.9%) to Xe-131m (1.1%)

Major Radiation:

                        β-

Emax

Eave

Probability

606 keV

192 keV

0.893

γ

E

Probability

364 keV

0.812

Form and Concentration

Chemical Form:

As NaI (Sodium Iodide)

0.05 M NaOH (Sodium Hydroxide)

0.001 M Na2S2O3 (Sodium Thiosulfate)

Radioactivity
Concentration:

>.5 Ci/mL

Radionuclide Purity:

131I

≥ 99.9%

95Nb : 131I
≤ 0.1%

95Zr : 131I
≤ 0.1%

132I : 131I
≤ 0.1%

133I : 131I
≤ 0.1%

Radiochemical Purity:

Iodide  
95%
(Typically 99-100%)

Packing Shipping Pricing

Precalibration:

1 day Precalibration

Calibration:

To 12:00 Noon Mountain Standard time 1 day after
shipment

Shipment Time:

Within 1 working day of Receipt of Customer
Order

Shipment Availability:

Daily, Monday through Friday

Packaging:

Per customer specifications

Pricing:

Per Millicurie

Radiochemical product not tested for sterility or pyrogenicity.


This product is referenced in Drug Master File NTP-DMF-9500 14303 filed with the USFDA.