Sodium Iodide, Granular Lab Grade *


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Sodium iodide (chemical formula NaI) is an ionic compound formed from the chemical reaction of sodium metal and iodine. Under standard conditions, it is a white, water-soluble solid comprising a 1:1 mix of sodium cations (Na+) and iodide anions (I−) in a crystal lattice. It is used mainly as a nutritional supplement and in organic chemistry. It is produced industrially as the salt formed when acidic iodides react with sodium hydroxide. It is a chaotropic salt.

Sodium Iodide CAS Registry Number, Molecular Formula And Formula Weight

CAS Number 7681-82-5
Molecular Formula NaI
Formula Weight 149.89

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Laboratory Grade Sodium Iodide.

If you have questions about ordering sodium iodide online here at or would like to place an order, call 512-668-9918 or email to talk with a Sodium Iodide Specialist. Lab Alley is a wholesale supplier and distributor of sodium iodide based in Austin, Texas.

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