Butter of Zinc

Butter of Zinc or Zinc Butter is a chemical compound, also known as Zinc Chloride. It is a white crystalline solid that is highly soluble in water and is a common synthesis ingredient in the chemical industry.

History

The term "Butter of Zinc" was first used in the 18th century by alchemists who noticed the compound's butter-like consistency when it was in a concentrated, molten state.

Production

Butter of Zinc is produced by treating zinc with hydrochloric acid. The reaction produces zinc chloride and hydrogen gas. The chemical equation for this reaction is Zn + 2HCl → ZnCl2 + H2.

Properties

Butter of Zinc is a colorless or white, crystalline solid. It is highly soluble in water, and it is deliquescent, meaning it can absorb water from the atmosphere and dissolve in it. It has a high melting point of 290°C (554°F) and a boiling point of 732°C (1350°F).

Uses

Butter of Zinc is used in various industrial applications. It is used in the production of dyes, cements, pharmaceuticals, and synthetic fibers. It also serves as a flux in soldering and welding, and as a preservative for wood and paper.

Safety

Exposure to Butter of Zinc can cause irritation to the eyes, skin, and respiratory tract. It is also harmful if swallowed or inhaled. Therefore, it is important to handle this compound with care and use appropriate safety measures.

See also

• Zinc
• Zinc Chloride
• Hydrochloric Acid