Borate/Boron Chemistry and Research

What is boron?
Boron on the periodic table Boron is a nonmetallic chemical element symbolized as B on the periodic table. It has the atomic number 5. It only occurs naturally in compounds called borate minerals—deposits of which are found in the Earth's crust. Boron is primarily used in chemical compounds including boric acid, borax, and boric oxide.
Is boron a liquid?
Boron is a solid and is classified as a metalloid element (has properties of both metals and non-metals). Elemental boron is never found free in nature. It occurs naturally in minerals that contain boron and oxygen.
What are boric acid's chemical properties?
Boric acid is found abundantly in nature, especially in volcanic areas, such as Italian hot springs. Boric acid’s chemical formula is H3BO3. It is a weak monobasic acid. It dissolves in boiling water and forms metaboric acid when heated to temperatures higher than 170°C. U.S. Borax sells boric acid under the brand name Optibor®.
What are some other names for borax?
Borax is also known as sodium borate, sodium tetraborate, and disodium tetraborate.
How can I acquire lab samples of U.S. Borax products?
To request a U.S. Borax product sample, please fill out our sample request form.
I am an agronomist or agricultural consultant looking for information on the use of boron or borates for crop health. Can you help me?
Yes, we have a wealth of information on the agriculture uses of boron at: https://agriculture.borax.com. Please contact our global agriculture team members with your questions.

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 500 customers with more than 1,700 delivery locations globally. We supply 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles.  Learn more about Rio Tinto.

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