beryllate

Beryllate is a salt compound of beryllium and hydroxyl groups. It consists of beryllium cations and hydroxide ions in a one-to-one ratio. The chemical formula for beryllate is Be(OH)2, although it can also be expressed as Be(OH+)2- or BeH2O2 to indicate its ionic nature.

In solid form, beryllate crystallizes in a hexagonal crystal system. When pure, it is strongly hygroscopic, meaning it readily absorbs water vapor from the air. Beryllate's solid form is only stable under controlled atmospheric conditions and can otherwise decompose into various other beryllium compounds.

Beryllate is also found naturally in certain beryllium-containing minerals, particularly those within the beryllate subgroup. The primary source of commercial beryllate is often manufactured through the reaction of beryllium metal with water. When synthesized in high purity, beryllate is known for its electrical insulation properties and resistance to thermal conductivity.

This compound is also notable for being weakly acidic and tending to disproportionate into beryllium hydroxide and other salts under certain conditions. The specific hygroscopic properties and potential reactivity when exposed to moisture can vary depending on impurities or other mitigating factors. Generally, caution is advised when handling and examining beryllate for its sensitivity to environmental conditions.