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Hydrofluoric Acid

Hydrofluoric Acid

Hydrofluoric Acid is a highly corrosive and toxic compound. In its pure form, it is a clear and colorless liquid, but at lower concentrations, it may appear as a colorless gas. It has a weak or odorless smell, making it difficult to detect without proper equipment. Hydrofluoric acid is highly reactive and has the ability to dissolve many materials, including glass and metals, due to its strong acidic nature.

Chemical Formula:

HF

CAS Number:

7664-39-3.

Synonyms:

Fluoric acid, Hydrogen fluoride, Fluorhydric acid

Characteristics

Molar Weight

20.01 g/mol

Melting Point

-83.6 °C

Boiling Point

19.5 °C

Solubility

Highly soluble in water

Density

1.15 g/cm³ (at 25°C)

Forms

Clear, colorless liquid (pure form) or colorless gas (diluted form)

Odor

Weak or odorless

USES AND APPLICATIONS

Key applications

  • Glass etching
  • Metal cleaning and surface treatment
  • Semiconductor industry
  • Petroleum refining
  • Chemical synthesis
  • Uranium enrichment

Industries

  • Glass industry
  • Metalworking industry
  • Semiconductor industry
  • Petroleum industry
  • Chemical industry
  • Nuclear industry

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