Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 231-131-3 | CAS number: 7440-22-4
Manufacture, use & exposure
Manufacture
Documentsopen allclose all
Manufacture
Contributing activity / technique for the environmentopen allclose all
- Name of activity / technique:
- Manufacture, refining and recycling of massive silver metal
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
- Name of activity / technique:
- Manufacture, refining and recycling of silver powder
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Handling of materials with low dustiness potential
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Name of activity / technique:
- Hot processes
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- PROC 25: Other hot work operations with metals
- Name of activity / technique:
- Wet processes
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
- PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 27b: Production of metal powders (wet processes)
- Name of activity / technique:
- Production and handling of powders
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 5: Mixing or blending in batch processes
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- PROC 26: Handling of solid inorganic substances at ambient temperature
- PROC 27a: Production of metal powders (hot processes)
- PROC 27b: Production of metal powders (wet processes)
- Name of activity / technique:
- Classifying and sifting of powders
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 5: Mixing or blending in batch processes
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Name of activity / technique:
- Handling of solutions/suspensions
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- PROC 15: Use as laboratory reagent
- Name of activity / technique:
- Granulate or ingot handling
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Name of activity / technique:
- Cleaning & maintenance
- Process category (PROC):
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Related assessment:
- use assessed in a joint CSR
Manufacture
Contributing activity / technique for the environment
- Name of activity / technique:
- Manufacture of nanosilver
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Wet processes – reduction and precipitation
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 27b: Production of metal powders (wet processes)
- Name of activity / technique:
- Wet processes – cleaning and concentration
- Process category (PROC):
- PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Handling of solutions/suspensions, non-dedicated facilities
- Process category (PROC):
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
- Name of activity / technique:
- Handling of solutions/suspensions
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- Name of activity / technique:
- Classifying and sifting of powders
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- Name of activity / technique:
- Cleaning and maintenance
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- PROC28: Manual maintenance (cleaning and repair) of machinery
- Pattern of exposure:
- continuous / frequent
Manufacture
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Process category (PROC):
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Process category (PROC):
- PROC 27b: Production of metal powders (wet processes)
Manufacture
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- GENERIC - Silver < 99,9% Ag in massive form (> 1 mm) with no classified impurities - not classified
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: bulk
- Reference substance:
- GENERIC - Silver < 99,9% Ag in massive form (> 1 mm) with no classified impurities - not classified
- Name:
- GENERIC - Silver < 99,9% Ag in powder form (< 1 mm but which does not fulfil the EU definition of nanomaterial) with no classified impurities - classified for environment
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- GENERIC - Silver < 99,9% Ag in powder form (< 1 mm but which does not fulfil the EU definition of nanomaterial) with no classified impurities - classified for environment
- Name:
- GENERIC - Silver >= 99,9 % Ag in massive form (> 1 mm) with no classified impurities - not classified
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: bulk
- Reference substance:
- GENERIC - Silver >= 99,9 % Ag in massive form (> 1 mm) with no classified impurities - not classified
- Name:
- GENERIC - Silver >= 99,9 % Ag in powder form (< 1 mm but which does not fulfil the EU definition of nanomaterial) with no classified impurities - classified for environment
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- GENERIC - Silver >= 99,9 % Ag in powder form (< 1 mm but which does not fulfil the EU definition of nanomaterial) with no classified impurities - classified for environment
- Name:
- Silver < 99,9% Ag in massive form (> 1 mm) with no classified impurities
- Type of composition:
- legal entity composition of the substance
- State / form:
- other: solid, massive
- Reference substance:
- Silver < 99,9% Ag in massive form (> 1 mm) with no classified impurities
- Name of activity / technique:
- Manufacture, refining and recycling of massive silver metal
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
- Name of activity / technique:
- Manufacture, refining and recycling of silver powder
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
- Name of activity / technique:
- Handling of materials with low dustiness potential
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Name of activity / technique:
- Hot processes
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- PROC 25: Other hot work operations with metals
- Name of activity / technique:
- Wet processes
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
- PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 27b: Production of metal powders (wet processes)
- Name of activity / technique:
- Production and handling of powders
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 5: Mixing or blending in batch processes
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- PROC 26: Handling of solid inorganic substances at ambient temperature
- PROC 27a: Production of metal powders (hot processes)
- PROC 27b: Production of metal powders (wet processes)
- Name of activity / technique:
- Classifying and sifting of powders
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 5: Mixing or blending in batch processes
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Name of activity / technique:
- Handling of solutions/suspensions
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- PROC 15: Use as laboratory reagent
- Name of activity / technique:
- Granulate or ingot handling
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Name of activity / technique:
- Cleaning & maintenance
- Process category (PROC):
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Related assessment:
- use assessed in a joint CSR
Referenceopen allclose all
Contributing activity / technique for the environmentopen allclose all
Contributing activity / technique for workersopen allclose all
Manufacture
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Process category (PROC):
- PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- Process category (PROC):
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- Process category (PROC):
- PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27b: Production of metal powders (wet processes)
Manufacture
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- Process category (PROC):
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Process category (PROC):
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- Process category (PROC):
- PROC 25: Other hot work operations with metals
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Process category (PROC):
- PROC 27b: Production of metal powders (wet processes)
Manufacture
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- Process category (PROC):
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Process category (PROC):
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- Process category (PROC):
- PROC 25: Other hot work operations with metals
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Process category (PROC):
- PROC 27b: Production of metal powders (wet processes)
Manufacture
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- GENERIC - Nano 34.2 - Silver in nano form (<100 nm) with no classified impurities - classified for environment
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: nanoform
- Reference substance:
- GENERIC - Nano 34.2 - Silver in nano form (<100 nm) with no classified impurities - classified for environment
- Type of information reported:
- single nanoform
- Name of nanoform:
- Nano 34.2
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- yes
- Shape category:
- spheroidal
- Percentile:
- D10
- Range:
- >= 10 - <= 25 nm
- Percentile:
- D25
- Typical value:
- 25 nm
- Range:
- >= 20 - <= 35 nm
- Percentile:
- D50
- Typical value:
- 34 nm
- Range:
- >= 30 - <= 45 nm
- Percentile:
- D75
- Typical value:
- 48 nm
- Range:
- >= 45 - <= 65 nm
- Percentile:
- D90
- Range:
- >= 45 - < 190 nm
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
- Structure:
- crystalline
- Name:
- crystalline
- Pure structure:
- yes
- Crystal system:
- other: cubic
- Bravais lattice:
- face - centred cubic
- Typical volume specific surface area:
- 150 m²/cm³
- Range of volume specific surface area:
- >= 90 - <= 210 m²/cm³
- Skeletal density:
- >= 5 - <= 6 g/cm³
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- no
- Surface treatment name:
- gum rosin
- Surface treatment agent:
- GENERIC - Nano 34.2 - Silver in nano form (<100 nm) with no classified impurities - classified for environment
- Description:
- Since detailed information on the surface treatment process can be confidential to the individual registrants, more information is provided in the technical dossier section 1.4 provided by the individual registrants.
- Name of activity / technique:
- Manufacture of nanosilver
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
- Name of activity / technique:
- Wet processes – reduction and precipitation
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- PROC 27b: Production of metal powders (wet processes)
- Name of activity / technique:
- Handling of wet filtered nano silver
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Handling of paste containing nano silver
- Process category (PROC):
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- Related assessment:
- use assessed in a joint CSR but not a lead’s own use
Reference
Contributing activity / technique for the environment
Contributing activity / technique for workersopen allclose all
Manufacture
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- Process category (PROC):
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- Process category (PROC):
- PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Process category (PROC):
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- Process category (PROC):
- PROC 25: Other hot work operations with metals
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Process category (PROC):
- PROC 27b: Production of metal powders (wet processes)
- Related assessment:
- use assessed in an own CSR
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.
