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Diss Factsheets
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EC number: 232-156-2 | CAS number: 7789-29-9
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Guidance on Safe Use
Administrative data
First-aid measures
1. If inhaled
- In case of accident by inhalation: remove casualty to fresh air and keep at rest.
- Oxygen or artificial respiration if needed.
- Victim to lie down in the recovery position, cover and keep him warm.
- Call a physician immediately.
- Take victim immediately to hospital.
2. In case of eye contact
- Immediate medical attention is required.
- Take victim immediately to hospital.
- Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes.
- In the case of difficulty of opening the lids, administer an analgesic eye wash (oxybuprocaine).
3. In case of skin contact
- Call a physician immediately.
- Take victim immediately to hospital.
- Take off contaminated clothing and shoes immediately.
- Wash off with plenty of water.
- First treatment with calcium gluconate paste.
4. If swallowed
- Call a physician immediately.
- Take victim immediately to hospital.
- Rinse mouth with water.
- Give to drink a 1% aqueous calcium gluconate solution.
- Do NOT induce vomiting.
- Artificial respiration and/or oxygen may be necessary.
Fire-fighting measures
1. Extinguishing media
1.1. Suitable extinguishing media
- Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
1.2. Unsuitable extinguishing media
- Water may be ineffective.
2. Special hazards arising from the substance or mixture
- The product is not flammable.
- Not combustible.
- Reacts violently with water.
- Hazardous decomposition products formed under fire conditions.
- Gives off hydrogen by reaction with metals.
3. Advice for firefighters
- Exposure to decomposition products may be a hazard to health.
- In the event of fire, wear self-contained breathing apparatus.
- Use personal protective equipment.
- Wear chemical resistant oversuit
- Cool containers / tanks with water spray.
Accidental release measures
1. Personal precautions, protective equipment and emergency procedures
1.1. Advice for non-emergency personnel
- Avoid dust formation.
1.2. Advice for emergency responders
- Sweep up to prevent slipping hazard.
2. Environmental precautions
- Should not be released into the environment.
- If the product contaminates rivers and lakes or drains inform respective authorities.
3. Methods and materials for containment and cleaning up
- Sweep up and shovel into suitable containers for disposal.
- Avoid dust formation.
- Keep in properly labelled containers.
- Keep in suitable, closed containers for disposal.
Handling and storage
1. Precautions for safe handling
- Used in closed system
- Use only in well-ventilated areas.
- Keep away from heat and sources of ignition.
- Keep away from Incompatible products.
2. Conditions for storage, including incompatibilities
2.1. Storage
- Store in original container.
- Store in a well-ventilated place.
- Keep in a dry place.
- Keep in properly labelled containers.
- Keep container closed.
- Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
- Avoid dust formation.
- Electrical equipment should be protected to the appropriate standard.
- Keep away from Incompatible products.
2.2. Packaging material: Suitable material
- Fibreboard
- Polyethylene
- Paper + PE
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- UN 1811
Shipping information
- Proper shipping name and description:
- POTASSIUM HYDROGENDIFLUORIDE SOLID
- Chemical name:
- POTASSIUM HYDROGENDIFLUORIDE
- Labels:
- 8 - Corrosive
6.1 - Toxic
SpecialProvisionsopen allclose all
Inland waterway transport (UN RTDG/ADN(R))
- UN number:
- UN 1811
Shippingopen allclose all
6.1 - Toxic
Remarksopen allclose all
Marine transport (UN RTDG/IMDG)
- UN number:
- UN 1811
Shipping information
- Proper shipping name and description:
- POTASSIUM HYDROGENDIFLUORIDE SOLID
- Chemical name:
- POTASSIUM HYDROGENDIFLUORIDE
- Labels:
- 8 - Corrosive
6.1 - Toxic
Remarksopen allclose all
Air transport (UN RTDG/ICAO/IATA)
- UN number:
- UN 1811
Shipping information
- Proper shipping name and description:
- POTASSIUM HYDROGENDIFLUORIDE SOLID
- Chemical name:
- POTASSIUM HYDROGENDIFLUORIDE
- Labels:
- 8 - Corrosive
6.1 - Toxic
Remarksopen allclose all
SpecialProvisionsopen allclose all
Exposure controls / personal protection
Stability and reactivity
1. Reactivity
- Reacts violently with water.
2. Chemical stability
- Chemically very reactive
- Stable under recommended storage conditions.
3. Possibility of hazardous reactions
- Decomposes in contact with water.
- Gives off hydrogen by reaction with metals.
4. Conditions to avoid
- Heat.
- Exposure to moisture.
5. Incompatible materials
- Organic materials, Flammable materials, Combustible material, Hydrogen
6. Hazardous decomposition products
- Hydrogen fluoride
- Hydrogen
Disposal considerations
1. Waste treatment methods
- Refer to manufacturer/supplier for information on recovery/recycling.
- In accordance with local and national regulations.
2. Contaminated packaging
- To avoid treatments, as far as possible, use dedicated containers.
- Do not rinse the dedicated containers.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.