Iodine (CAS 12190-71-5) Suppliers and Product Information

Iodine is a nonmetallic element of the halogen family. It has a characteristic odor and readily sublimes to a violet vapor. It is used as an antiseptic, germicide, in x-ray contrast material, food additives, water treatment, and medicinal products.

Frequently Asked Questions

Does iodine expire?

Iodine is quite reactive but it is much less reactive than the other halogens. While it can degrade over time, properly stored iodine has a long shelf life.

What is the ionic charge when iodine forms an ion?

In its neutral state, the iodine atom typically possesses seven valence electrons. When it forms an ion, it most commonly gains one electron to form the iodide ion (I-) with a -1 charge.

What are the main uses of iodine?

Iodine is used as a germicide, an antiseptic, in dyes, tinctures, and pharmaceuticals. It's also used in the production of certain metals, as a food additive, and in water treatment.