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Hydrogen Fluoride (HF)

HF Anhydrous 100%

Anhydrous, 100%

Overview
AHF is used to produce environmentally preferred fluorocarbon products, fluoropolymers, and chemical derivatives. It is a clear, colorless, corrosive fuming liquid with a sharp, pungent odor. AHF is 100% soluble in water and is not flammable. It forms a dense white vapor clouds if released. AHF is highly hazardous and needs to be handled and used with rigorous safety precautions. It can cause severe burns to all parts of the body in liquid and vapor forms. Specialized medical treatment is required for all exposures to HF acid.
Specifications

General Information

  • Application
    • Blowing Agents
    • Petrochemical
    • Plastics
    • Refrigerants
    • Solvents
  • CAS Number
    • Hydrogen Fluoride: 7664-39-3
  • Concentration
    • 100% Hydrogen Fluoride
  • EC Number
    • 231-634-8
  • Grade
    • Anhydrous
  • Performance Function
    • Fluorinated Carbon Compounds
  • Product Type
    • Substance Degrees Celsius
  • Synonyms
    • AHF
    • Anhydrous HF
    • HF
    • HF Acid

Physical Properties

  • Boiling Point/Range
    • 19.5 °C at 1.013 hPa
  • Chemical Composition
    • Hydrogen Fluoride
  • Color
    • Colorless
  • Density
    • 1,000 g/cm3 at 20 °C
  • Flashpoint
    • Not applicable
  • Formula
    • HF
  • Melting Point/Range
    • -83 °C
  • Odor
    • Intolerable Pungent
  • Partition Coefficient
    • No data available
  • pH
    • Acidic
  • Physical form
    • Liquid
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • 1.028 hPa at 20 °C hectopascal

Safety Information

  • Chemical Stability
    • Fire or intense heat may cause violent rupture of packages
    • Stable under normal conditions
  • Corrosivity
    • Extremely Corrosive
  • Evaporation Rate
    • Not applicable
  • Flammability
    • Not applicable
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Contact with alkalies and some oxides cause strong violent exothermic reactions
    • Contact with metals will yield hydrogen gas, a fire and explosive reactive hazard
    • Glass and silicate-containing materials are attacked
    • HF contact with carbonates, sulfides and cyanides yield toxic gases such as carbon dioxide, hydrogen sulfide and hydrogen cyanide
    • HF contact with glass, concrete and other silicon bearing materials will yield silicon tetrafluoride gas
    • On dilution or dissolving in water, considerable heating always occurs
    • Pressure buildup from this process has been known to rupture glass containers
    • When diluting, add acids to water, never the other way around
  • Oxidizing
    • The substance or mixture is not classified as oxidizing
  • Self Ignition
    • Not applicable
  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages

International Transportation

  • Chemical Class
    • 8
  • Packing Group
    • I
  • Sub Class 1
    • 6.1
  • UN Number
    • 1052

General Information

  • Application
    • Blowing Agents
    • Petrochemical
    • Plastics
    • Refrigerants
    • Solvents
  • CAS Number
    • Hydrogen Fluoride: 7664-39-3
  • Concentration
    • 100% Hydrogen Fluoride
  • EC Number
    • 231-634-8
  • Grade
    • Anhydrous
  • Performance Function
    • Fluorinated Carbon Compounds
  • Product Type
    • Substance Degrees Celsius
  • Synonyms
    • AHF
    • Anhydrous HF
    • HF
    • HF Acid

Physical Properties

  • Boiling Point/Range
    • 19.5 °C at 1.013 hPa
  • Chemical Composition
    • Hydrogen Fluoride
  • Color
    • Colorless
  • Density
    • 1,000 g/cm3 at 20 °C
  • Flashpoint
    • Not applicable
  • Formula
    • HF
  • Melting Point/Range
    • -83 °C
  • Odor
    • Intolerable Pungent
  • Partition Coefficient
    • No data available
  • pH
    • Acidic
  • Physical form
    • Liquid
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • 1.028 hPa at 20 °C hectopascal

Safety Information

  • Chemical Stability
    • Fire or intense heat may cause violent rupture of packages
    • Stable under normal conditions
  • Corrosivity
    • Extremely Corrosive
  • Evaporation Rate
    • Not applicable
  • Flammability
    • Not applicable
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Contact with alkalies and some oxides cause strong violent exothermic reactions
    • Contact with metals will yield hydrogen gas, a fire and explosive reactive hazard
    • Glass and silicate-containing materials are attacked
    • HF contact with carbonates, sulfides and cyanides yield toxic gases such as carbon dioxide, hydrogen sulfide and hydrogen cyanide
    • HF contact with glass, concrete and other silicon bearing materials will yield silicon tetrafluoride gas
    • On dilution or dissolving in water, considerable heating always occurs
    • Pressure buildup from this process has been known to rupture glass containers
    • When diluting, add acids to water, never the other way around
  • Oxidizing
    • The substance or mixture is not classified as oxidizing
  • Self Ignition
    • Not applicable
  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages

International Transportation

  • Chemical Class
    • 8
  • Packing Group
    • I
  • Sub Class 1
    • 6.1
  • UN Number
    • 1052
  • Application : Blowing Agents|Petrochemical|Plastics|Refrigerants|Solvents
  • Synonyms : AHF|Anhydrous HF|HF|HF Acid
  • Product Type : Substance Degrees Celsius
  • Performance Function : Fluorinated Carbon Compounds
  • Grade : Anhydrous
  • EC Number : 231-634-8
  • Concentration : 100% Hydrogen Fluoride
  • CAS Number : Hydrogen Fluoride: 7664-39-3
  • pH : Acidic
  • Vapor Pressure : 1.028 hPa at 20 °C hectopascal
  • Solubility in Water : Completely miscible
  • Physical form : Liquid
  • Partition Coefficient : No data available
  • Odor : Intolerable Pungent
  • Melting Point/Range : -83 °C
  • Formula : HF
  • Flashpoint : Not applicable
  • Density : 1,000 g/cm3 at 20 °C
  • Color : Colorless
  • Chemical Composition : Hydrogen Fluoride
  • Boiling Point/Range : 19.5 °C at 1.013 hPa
  • Thermal Decomposition : Fire or intense heat may cause violent rupture of packages
  • Self Ignition : Not applicable
  • Oxidizing : The substance or mixture is not classified as oxidizing
  • Incompatible Materials : Contact with alkalies and some oxides cause strong violent exothermic reactions|Contact with metals will yield hydrogen gas, a fire and explosive reactive hazard|Glass and silicate-containing materials are attacked|HF contact with carbonates, sulfides and cyanides yield toxic gases such as carbon dioxide, hydrogen sulfide and hydrogen cyanide|HF contact with glass, concrete and other silicon bearing materials will yield silicon tetrafluoride gas|On dilution or dissolving in water, considerable heating always occurs|Pressure buildup from this process has been known to rupture glass containers|When diluting, add acids to water, never the other way around
  • Ignition Temperature : Not applicable
  • Flammability : Not applicable
  • Evaporation Rate : Not applicable
  • Corrosivity : Extremely Corrosive
  • Chemical Stability : Fire or intense heat may cause violent rupture of packages|Stable under normal conditions
  • UN Number : 1052
  • Sub Class 1 : 6.1
  • Packing Group : I
  • Chemical Class : 8
Sales Sheet
Name
Description
File Size
Date
Size
Solstice expertise can reduce risk, downtown, and costs
application/pdf 249.99 KB
3/26/2026
249.99 KB
In-Person & Online Seminars
application/pdf 3.38 MB
3/24/2026
3.38 MB
Our Driver Teams Use Advanced Fleet Technology
application/pdf 2.03 MB
3/24/2026
2.03 MB
Solstice offers intensive threeday HazMat emergency response training for HF customers
application/pdf 1.98 MB
3/24/2026
1.98 MB
Emergency Preparedness through realistic training
application/pdf 2.4 MB
3/24/2026
2.4 MB
Solstice is dedicated to the safe production, handling, and transportation of hydrofluoric acid (HF)
application/pdf 2.5 MB
3/24/2026
2.5 MB
The #1 Choice for HF Acid
application/pdf 948 KB
3/24/2026
948 KB
Hands-on HF Capping Kit Training Provided by Solstice
application/pdf 1.25 MB
3/24/2026
1.25 MB
Practice HF Railcar Capping Skills Using Solstice's AHF Training Prop
application/pdf 1.45 MB
3/24/2026
1.45 MB
Solstice expertise can help reduce the stress of transportation emergencies by supporting remediation efforts
application/pdf 1.85 MB
3/24/2026
1.85 MB
Technical Note
Name
Description
File Size
Date
Size
Typical Alkaline Material (Bases)
application/pdf 237.93 KB
3/24/2026
237.93 KB
Data Sheet
Name
Description
File Size
Date
Size
Safety Data Sheet
application/pdf 232.21 KB
3/23/2026
232.21 KB
Technical Data Sheet
application/pdf 50.16 KB
3/23/2026
50.16 KB
Name
Description
File Size
Date
Size
Safety Data Sheet
application/pdf 232.21 KB
3/23/2026
232.21 KB
Solstice expertise can reduce risk, downtown, and costs
application/pdf 249.99 KB
3/26/2026
249.99 KB
In-Person & Online Seminars
application/pdf 3.38 MB
3/24/2026
3.38 MB
Our Driver Teams Use Advanced Fleet Technology
application/pdf 2.03 MB
3/24/2026
2.03 MB
Solstice offers intensive threeday HazMat emergency response training for HF customers
application/pdf 1.98 MB
3/24/2026
1.98 MB
Emergency Preparedness through realistic training
application/pdf 2.4 MB
3/24/2026
2.4 MB
Solstice is dedicated to the safe production, handling, and transportation of hydrofluoric acid (HF)
application/pdf 2.5 MB
3/24/2026
2.5 MB
The #1 Choice for HF Acid
application/pdf 948 KB
3/24/2026
948 KB
Hands-on HF Capping Kit Training Provided by Solstice
application/pdf 1.25 MB
3/24/2026
1.25 MB
Practice HF Railcar Capping Skills Using Solstice's AHF Training Prop
application/pdf 1.45 MB
3/24/2026
1.45 MB
Solstice expertise can help reduce the stress of transportation emergencies by supporting remediation efforts
application/pdf 1.85 MB
3/24/2026
1.85 MB
Typical Alkaline Material (Bases)
application/pdf 237.93 KB
3/24/2026
237.93 KB
Technical Data Sheet
application/pdf 50.16 KB
3/23/2026
50.16 KB
Name
Description
File Size
Date
Size
Solstice expertise can reduce risk, downtown, and costs
249.99 KB
3/26/2026
In-Person & Online Seminars
3.38 MB
3/24/2026
Our Driver Teams Use Advanced Fleet Technology
2.03 MB
3/24/2026
Solstice offers intensive threeday HazMat emergency response training for HF customers
1.98 MB
3/24/2026
Emergency Preparedness through realistic training
2.4 MB
3/24/2026
Solstice is dedicated to the safe production, handling, and transportation of hydrofluoric acid (HF)
2.5 MB
3/24/2026
The #1 Choice for HF Acid
948 KB
3/24/2026
Hands-on HF Capping Kit Training Provided by Solstice
1.25 MB
3/24/2026
Practice HF Railcar Capping Skills Using Solstice's AHF Training Prop
1.45 MB
3/24/2026
Solstice expertise can help reduce the stress of transportation emergencies by supporting remediation efforts
1.85 MB
3/24/2026
Typical Alkaline Material (Bases)
237.93 KB
3/24/2026
Safety Data Sheet
232.21 KB
3/23/2026
Technical Data Sheet
50.16 KB
3/23/2026