Phenylmercuric borate

Phenylmercuric borate

Phenylmercuric borate is an organomercury compound that was widely used as a preservative and antimicrobial agent. It is a white, crystalline solid with a slight, characteristic odor.

Chemical Structure

Phenylmercuric borate is composed of a phenyl group bonded to a mercury atom, which is in turn bonded to a borate ion. The chemical formula for phenylmercuric borate is C6H5HgO3B.

Uses

Phenylmercuric borate was primarily used as a preservative in cosmetics and ophthalmic solutions. It was also used in the production of latex paints to prevent bacterial and fungal growth.

Health Effects

Exposure to phenylmercuric borate can lead to mercury poisoning, which can cause a variety of health effects including damage to the nervous system, kidneys, and lungs. It can also cause skin irritation and eye damage.

Regulation

Due to its toxicity, the use of phenylmercuric borate has been restricted in many countries. In the United States, the Food and Drug Administration (FDA) banned its use in cosmetics in 1990. The European Union has also banned its use in cosmetics and other consumer products.

See Also

• Mercury (element)
• Organomercury
• Mercury poisoning
• Borate