Potassium arsenite

Potassium arsenite is a chemical compound. Its chemical formula is KAsO₂. It has potassium and arsenite ions in it.

Properties

It is a solid. It is highly toxic.

Preparation

It is made by reacting arsenic trioxide with potassium hydroxide.

Uses

It was used as a "medicine", but it is carcinogenic and toxic so it is not used anymore. It is banned for use as a pesticide in the United Kingdom.

Related pages

• Sodium arsenite
• Lead arsenate
• Zinc arsenide