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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 254-413-8 | CAS number: 39318-18-8
Manufacture, use & exposure
Uses at industrial sites
Documentsopen allclose all
Uses at industrial sites
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC6a: Use of intermediate
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 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Product category used:
- PC 7: Base metals and alloys
- PC 19: Intermediate
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- Substance supplied to that use in form of:
- as such
- Subsequent service life relevant for this use:
- no
- Related assessment:
- use assessed in a joint CSR
Uses at industrial sites
Contributing activity / technique for the environment
- Name of activity / technique:
- Use of TBO to manufacture tungsten metal powder - ERC 6a
- Environmental release category (ERC):
- ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1: Transfer from drums to process metal containers (OPTIONAL): The TBO powder is transferred from drums to process metal containers - PROC 8b
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 2 - Furnace charging: The TBO powder is filled manually or automatically into reduction boats for pusher furnaces or it is filled directly to a rotary furnace - PROC 26
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Name of activity / technique:
- Step 3 - Reduction process: The TBO powder is reduced to tungsten metal powder in hydrogen atmosphere at approximately 1000°C either in pusher furnaces or rotary furnaces - PROC 27a
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Name of activity / technique:
- Step 4 - Sieving: The tungsten metal powder is sieved immediately after reduction and filled into closed containers - PROC 8b
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 5 - Transfer to mixer: The tungsten metal powder is transferred from the transport containers into a mixer. - PROC 8b
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 6 - Homogenizing: The tungsten metal powder is homogenized in a mixer - PROC 3
- 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:
- Step 7 - Filling: The homogenized (and optional doped) tungsten metal powder is filled into closed containers - PROC 8b
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 8 - Maintenance: Maintenance of production and ventilation equipment - PROC 8b
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Product category used:
- PC 7: Base metals and alloys
- PC 19: Intermediate
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- Substance supplied to that use in form of:
- as such
- Subsequent service life relevant for this use:
- no
- Related assessment:
- use assessed in a joint CSR
Uses at industrial sites
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC6a: Use of intermediate
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 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Product category used:
- PC 7: Base metals and alloys
- PC 19: Intermediate
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- Substance supplied to that use in form of:
- as such
- Subsequent service life relevant for this use:
- no
Uses at industrial sites
- 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
- Name of activity / technique:
- Use of tungsten oxide to manufacture tungsten metal
- Environmental release category (ERC):
- ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1 - Transfer
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 2 - Furnace charging
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Name of activity / technique:
- Step 3 - Reduction process
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Name of activity / technique:
- Step 4 - Sieving
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 5 - Transfer to mixer
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 6 - Homogenizing.
- 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:
- Step 7 - Filling
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 8 - Maintenance:
- Process category (PROC):
- PROC28: Manual maintenance (cleaning and repair) of machinery
- Product category used:
- PC 7: Base metals and alloys
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- Substance supplied to that use in form of:
- as such
- Subsequent service life relevant for this use:
- no
- Related assessment:
- use assessed in a joint CSR
Uses at industrial sites
Contributing activity / technique for the environmentopen allclose all
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
- Environmental release category (ERC):
- ERC6a: Use of intermediate
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 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Product category used:
- PC 7: Base metals and alloys
- PC 19: Intermediate
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- Substance supplied to that use in form of:
- as such
- Subsequent service life relevant for this use:
- no
Uses at industrial sites
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC6a: Use of intermediate
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 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Process category (PROC):
- PROC 27a: Production of metal powders (hot processes)
- Product category used:
- PC 7: Base metals and alloys
- PC 19: Intermediate
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- Substance supplied to that use in form of:
- as such
- Subsequent service life relevant for this use:
- no
- Related assessment:
- use assessed in a joint 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.
