| Formula / Notation | HF |
|---|---|
| CAS Number | 7664-39-3 |
| Molecular Weight | 20.0064 |
| Melting Point | -92.2 °F for 70% solution (ICSC, 2024) |
| Boiling Point | 152 °F at 760 mmHg for 70% solution (ICSC, 2024) |
| Density | 1.23 for 70% solution (ICSC, 2024) - Denser than water; will sink |
| Solubility | Miscible (ICSC, 2024) |
| Appearance | Hydrofluoric acid, solution appears as a colorless fuming mobile aqueous solution with a pungent odor. Corrosive to metals and tissue. Highly toxic by ingestion and inhalation. Exposure to fumes or... |
| Also Known As | fluorane; Hydrogen fluoride; 7664-39-3; Fluorhydric acid; Hydrofluoride; Rubigine; Fluorwasserstoff; Antisal 2B; Hydrofluoricum acidum; Fluorowodor |
| Category | Acids |
What is Hydrofluoric acid?
Hydrofluoric acid (HF) is an acid that appears as Hydrofluoric acid, solution appears as a colorless fuming mobile aqueous solution with a pungent odor. Corrosive to metals and tissue. Highly toxic by ingestion and inhalation. Exposure to fumes or.... It has a molecular weight of 20.0064 g/mol. Its IUPAC name is fluorane. Boiling point: 152 °F at 760 mmHg for 70% solution (ICSC, 2024). Melting point: -92.2 °F for 70% solution (ICSC, 2024).
Formula & Notation
IUPAC Name: fluorane
Other Names / Synonyms: fluorane; Hydrogen fluoride; 7664-39-3; Fluorhydric acid; Hydrofluoride; Rubigine; Fluorwasserstoff; Antisal 2B; Hydrofluoricum acidum; Fluorowodor
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -92.2 °F for 70% solution (ICSC, 2024) |
| Boiling Point | 152 °F at 760 mmHg for 70% solution (ICSC, 2024) |
| Density | 1.23 for 70% solution (ICSC, 2024) - Denser than water; will sink |
| Molecular Weight | 20.0064 |
| Solubility | Miscible (ICSC, 2024) |
| Appearance | Hydrofluoric acid, solution appears as a colorless fuming mobile aqueous solution with a pungent odor. Corrosive to metals and tissue. Highly toxic by ingestion and inhalation. Exposure to fumes or... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Hydrofluoric acid (HF) is an acid that appears as Hydrofluoric acid, solution appears as a colorless fuming mobile aqueous solution with a pungent odor. Corrosive to metals and tissue. Highly toxic by ingestion and inhalation. Exposure to fumes or.... It has a molecular weight of 20.0064 g/mol. Its IUPAC name is fluorane. Boiling point: 152 °F at 760 mmHg for 70% solution (ICSC, 2024). Melting point: -92.2 °F for 70% solution (ICSC, 2024).
Used in industrial chemical synthesis, fertilizer production, battery electrolytes, metal processing, and laboratory acid-base reactions.
Corrosive. Causes severe burns to skin, eyes, and respiratory tract. Wear appropriate PPE including gloves, goggles, and lab coat. Consult SDS before use.
The formula or notation for Hydrofluoric acid is: HF