Hydrofluoric Acid

HF

IUPAC: Hydrogen fluoride

CAS: 7664-39-3

अवलोकन

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

संरचना

तत्व प्रतीक परमाणु परमाणु द्रव्यमान
Hydrogen H 1 1.0080
Fluorine F 1 18.9980

मूलीय संरचना

उपयोग

  • Glass etching
  • Semiconductor cleaning
  • Fluorocarbon production

रोचक तथ्य

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

सुरक्षा

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

Structure

SMILES

F

गुण

प्रकार
acid
अवस्था
gas
मोलर द्रव्यमान
20.01 g/mol
घनत्व
0.0012 g/cm³
गलनांक
-83.6 °C
क्वथनांक
19.5 °C
घुलनशीलता
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).