Sells highly purified element samples specifically for collectors.

Most rubidium is sold through professional chemical catalogs. These vendors typically require a business or institutional address.

Rubidium is a highly reactive alkali metal, so you won’t find it at a local hardware store. Because it can ignite spontaneously in air and reacts violently with water, its sale is strictly regulated and requires specialized shipping.

Another reputable source for high-quality element collection samples. Important Safety & Shipping Notes

✨ If you just need rubidium for its properties rather than the pure metal, consider buying Rubidium Chloride or Rubidium Nitrate —they are much easier to handle and ship.

Now part of Thermo Fisher Scientific; a reliable source for various purities.

Expect to pay significant "Hazardous Materials" shipping fees.

Offers various forms of the metal, including beautiful crystalline structures in ampoules.