Potassium Bifluoride
- CAS Number
- 7789-29-9
- HSN Code
- 28261910
- Molecular Formula
- KHF2
- Catalogue Number
- AL01224
- Purity
- 99%
- Molecular Weight
- 78.10 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Potassium bifluoride, also known as potassium hydrogen fluoride, is a highly soluble and corrosive fluoride salt with a purity of 99%. It is primarily utilized in specialized applications such as electropolishing and glass etching, where its unique properties as a fluoride source are essential. This compound is notable for its ability to dissolve metals and glass, making it valuable in various industrial and research settings. Due to its high toxicity and corrosive nature, it is crucial to handle potassium bifluoride with appropriate safety measures and personal protective equipment (PPE).
Also known as Potassium hydrogen fluoride.
- Catalogue No.
- AL01224
- CAS Number
- 7789-29-9
- Molecular Formula
- KHF2
- Molecular Weight
- 78.10 g/mol
- HSN Code
- 28261910
- Grade
- Extra Pure
- Product Form
- Substance
Potassium bifluoride appears as a white crystalline powder. It is highly soluble in water, with a solubility of approximately 100 g/L at 20°C. The melting point of potassium bifluoride is around 250°C, and it decomposes upon heating, releasing toxic gases. The density of this compound is approximately 2.1 g/cm³. It has a pH value of around 4.5 in a 1% aqueous solution, indicating its acidic nature. The compound is hygroscopic, meaning it can absorb moisture from the air, which can affect its handling and storage.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 500 g and 1 kg containers
- Storage
- Store in a cool, dry place, away from moisture and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Potassium Bifluoride
- Catalogue No.
- AL01224
- Product form
- Substance
- CAS Number
- 7789-29-9
- EC Number
- 232-152-0
- Grade
- Extra Pure
- EC Index Number
- 009-002-00-6
- Chemical Formula
- KHF2
- HSN Code
- 28261910
- Synonyms
- Potassium hydrogen fluoride
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a fluoride source in electropolishing and glass etching.
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Corrosive to metals; may cause severe skin burns and eye damage.
3.1 — Substance
- Name
- Potassium Bifluoride
- CAS No.
- 7789-29-9
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
- First-aid measures after skin contact
- Remove contaminated clothing. Rinse skin with plenty of water for at least 15 minutes. Seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include irritation of the skin, eyes, and respiratory tract, as well as systemic toxicity leading to nausea and vomiting.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Non-flammable, but may react with water to release toxic gases.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Wear appropriate PPE. Contain and collect spillage.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Neutralize with calcium carbonate or sodium bicarbonate, then collect and dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with care, using appropriate PPE including gloves, goggles, and protective clothing. Avoid inhalation and contact with skin and eyes.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in a tightly closed container in a cool, dry place, away from incompatible materials such as strong acids and bases.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use a NIOSH-approved respirator if exposure limits are exceeded or if irritation occurs.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- 4.5 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 250°C (decomposes)
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Decomposes above 250°C
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 2.1 g/cm³
- Solubility
- 100 g/L in water at 20°C
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not applicable
- Oxidising properties
- Not applicable
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts with strong acids and bases, releasing toxic gases.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids, strong bases, and moisture.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Highly toxic; LD50 (oral, rat) is approximately 200 mg/kg.
- Skin corrosion/irritation
- Causes severe skin burns.
- Serious eye damage/irritation
- Causes serious eye damage.
- Respiratory or skin sensitisation
- Not a skin sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- 1811
- UN-No. (IMDG)
- 1811
- UN-No. (IATA)
- 1811
- UN-No. (ADN)
- 1811
- UN-No. (RID)
- 1811
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Potassium Bifluoride
- Proper Shipping Name (IMDG)
- Potassium Bifluoride
- Proper Shipping Name (IATA)
- Potassium Bifluoride
- Proper Shipping Name (ADN)
- Potassium Bifluoride
- Proper Shipping Name (RID)
- Potassium Bifluoride
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Potassium bifluoride is widely used in the fields of electropolishing and glass etching, where it serves as a fluoride source for various chemical reactions. In the electronics industry, it is employed in the preparation of metal surfaces for plating and finishing processes. Additionally, it is utilized in laboratories for research purposes, particularly in studies involving fluoride chemistry. Its corrosive properties make it effective in cleaning and preparing surfaces, but it requires careful handling due to its toxicity and potential health hazards.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01224
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 78.10 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 99% min | 99.5% |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | 100 g/L in water at 20°C | 100 g/L |
The above product is expected to comply with Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Extra Pure | 99% | 250°C (decomposes) | <0.5% | <0.1% | None detected | 100 g/L in water at 20°C |
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