Hydrogen Fluoride (HF)
Hydrofluoric acid
Aqueous 49% Solution
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Overview
Our 49% is a clear, colorless, corrosive liquid with a sharp, stinging odor. It is non-fuming,
The 49% solution is highly hazardous and needs to be handled and used with rigorous safety precautions. Liquid exposure can cause severe burns to all parts of the body. Specialized medical treatment is required for any exposure to 49% HF.
The 49% solution is highly hazardous and needs to be handled and used with rigorous safety precautions. Liquid exposure can cause severe burns to all parts of the body. Specialized medical treatment is required for any exposure to 49% HF.
Specifications
General Information
- Application
- Chemical Derivatives
- Chemical Milling
- Glass Etching/Frosting
- Metal Pickling
- Quartz Purification
- Rare Metal Processing
- CAS Number
- Hydrofluoric Acid: 7664-39-3
- Water: 7732-18-5
- Concentration
- 49.00% acid
- 51.00% water
- Grade
- Aqueous 49% Solution
- Performance Function
- Feedstock
- Synonyms
- Aqueous HF
- HF
- HF Acid
Physical Properties
- Boiling Point/Range
- 105 °C at 1,013 hPa
- Chemical Composition
- 49% HF in H2O by weight
- Color
- Colorless
- Density
- 1.17 g/cm3 at 20 °C
- Flashpoint
- Not flammable
- Formula
- HF
- Melting Point/Range
- -35 °C
- Odor
- Sharp stinging
- pH
- 3.4
- Acidic
- Physical Form
- Liquid
- Solubility in Water
- Completely miscible
- Vapor Pressure
- 101 hPa at 50°C (122°F)
Safety Information
- Chemical Stability
- Stable under normal conditions
- Corrosivity
- Corrosive to metals
- Evaporation Rate
- Not applicable
- Ignition Temperature
- Not applicable
- Incompatible Materials
- See SDS
International Transportation
- Chemical Class
- 8 (6.1)
- Packing Group
- II
- UN Number
- 1790
General Information
- Application
- Chemical Derivatives
- Chemical Milling
- Glass Etching/Frosting
- Metal Pickling
- Quartz Purification
- Rare Metal Processing
- CAS Number
- Hydrofluoric Acid: 7664-39-3
- Water: 7732-18-5
- Concentration
- 49.00% acid
- 51.00% water
- Grade
- Aqueous 49% Solution
- Performance Function
- Feedstock
- Synonyms
- Aqueous HF
- HF
- HF Acid
Physical Properties
- Boiling Point/Range
- 105 °C at 1,013 hPa
- Chemical Composition
- 49% HF in H2O by weight
- Color
- Colorless
- Density
- 1.17 g/cm3 at 20 °C
- Flashpoint
- Not flammable
- Formula
- HF
- Melting Point/Range
- -35 °C
- Odor
- Sharp stinging
- pH
- 3.4
- Acidic
- Physical Form
- Liquid
- Solubility in Water
- Completely miscible
- Vapor Pressure
- 101 hPa at 50°C (122°F)
Safety Information
- Chemical Stability
- Stable under normal conditions
- Corrosivity
- Corrosive to metals
- Evaporation Rate
- Not applicable
- Ignition Temperature
- Not applicable
- Incompatible Materials
- See SDS
International Transportation
- Chemical Class
- 8 (6.1)
- Packing Group
- II
- UN Number
- 1790
- Synonyms : Aqueous HF|HF|HF Acid
- Grade : Aqueous 49% Solution
- CAS Number : Hydrofluoric Acid: 7664-39-3|Water: 7732-18-5
- Application : Chemical Derivatives|Chemical Milling|Glass Etching/Frosting|Metal Pickling|Quartz Purification|Rare Metal Processing
- Vapor Pressure : 101 hPa at 50°C (122°F)
- Chemical Composition : 49% HF in H2O by weight
- pH : 3.4|Acidic
- Melting Point/Range : -35 °C
- Boiling Point/Range : 105 °C at 1,013 hPa
- Color : Colorless
- Odor : Sharp stinging
- Flashpoint : Not flammable
- Density : 1.17 g/cm3 at 20 °C
- Physical Form : Liquid
- Formula : HF
- Solubility in Water : Completely miscible
- Corrosivity : Corrosive to metals
- Evaporation Rate : Not applicable
- Chemical Stability : Stable under normal conditions
- Incompatible Materials : See SDS
- Ignition Temperature : Not applicable
- Packing Group : II
- UN Number : 1790
- Chemical Class : 8 (6.1)
- Concentration : 49.00% acid|51.00% water
- Performance Function : Feedstock
Technical Note
Name
Description
File Size
Date
Size
Typical Alkaline Material (Bases)
application/pdf 89.25 KB
3/21/2024
89.25 KB
Brochure
Name
Description
File Size
Date
Size
In Person & Online Seminars
application/pdf 1.63 MB
6/18/2024
1.63 MB
Anhydrous and aqueous customers
application/pdf 3.46 MB
6/18/2024
3.46 MB
Safe production and transportation of HF
application/pdf 1.56 MB
6/18/2024
1.56 MB
Honeywell expertise can reduce risk and downtime
application/pdf 2.49 MB
6/18/2024
2.49 MB
Our Driver Teams Use Advanced Fleet Technology
application/pdf 762.71 KB
6/4/2024
762.71 KB
Data Sheet
Name
Description
File Size
Date
Size
Technical Data Sheet
application/pdf 55.67 KB
6/6/2024
55.67 KB
Name
Description
File Size
Date
Size
Typical Alkaline Material (Bases)
application/pdf 89.25 KB
3/21/2024
89.25 KB
In Person & Online Seminars
application/pdf 1.63 MB
6/18/2024
1.63 MB
Anhydrous and aqueous customers
application/pdf 3.46 MB
6/18/2024
3.46 MB
Safe production and transportation of HF
application/pdf 1.56 MB
6/18/2024
1.56 MB
Honeywell expertise can reduce risk and downtime
application/pdf 2.49 MB
6/18/2024
2.49 MB
Our Driver Teams Use Advanced Fleet Technology
application/pdf 762.71 KB
6/4/2024
762.71 KB
Technical Data Sheet
application/pdf 55.67 KB
6/6/2024
55.67 KB
Name
Description
File Size
Date
Size