Hydrofluoric Acid

HF

IUPAC: Hydrogen fluoride

CAS: 7664-39-3

Genel Bakış

Hydrofluoric acid is unique among hydrohalic acids — it is weak but extremely dangerous. It can dissolve glass and penetrate skin to attack bone calcium.

Bileşim

Element Sembol Atomlar Atom Kütlesi
Hydrogen H 1 1,0080
Fluorine F 1 18,9980

Elementel Bileşim

Kullanımlar

  • Glass etching
  • Semiconductor cleaning
  • Fluorocarbon production

İlginç Gerçekler

  • HF is a weak acid (pKa 3.17) despite fluorine being the most electronegative element — due to the extremely strong H-F bond

Güvenlik

  • ⚠ Extremely toxic
  • ⚠ Penetrates skin
  • ⚠ Causes calcium depletion in bones
  • ⚠ Contact can be fatal

Structure

SMILES

F

Özellikler

Tür
acid
Hal
gas
Molar Kütle
20,01 g/mol
Yoğunluk
0,0012 g/cm³
Erime Noktası
-83,6 °C
Kaynama Noktası
19,5 °C
Çözünürlük
Miscible

Molecular Descriptors

Exact Mass
20,0062
XLogP
0,6
TPSA
0,0 Ų
H-Bond Donors
1
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
1
Complexity
0,0

Frequently Asked Questions

What is Hydrofluoric Acid?
Hydrofluoric Acid (HF) is a acid compound with the IUPAC name Hydrogen fluoride.
What is the molecular weight of Hydrofluoric Acid?
Hydrofluoric Acid has a molar mass of 20.01 g/mol.
What state is Hydrofluoric Acid at room temperature?
Hydrofluoric Acid is a gas at room temperature.
Is Hydrofluoric Acid organic or inorganic?
Hydrofluoric Acid is classified as an inorganic compound.
What elements make up Hydrofluoric Acid?
Hydrofluoric Acid (HF) is composed of Hydrogen (H), Fluorine (F).