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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 236-743-4 | CAS number: 13472-45-2
Manufacture, use & exposure
Manufacture
Documentsopen allclose all
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
- Name of activity / technique:
- Manufacture of sodium tungstate from Wolframite ore concentrates
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1: Transfer to the drying device
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 2: Drying and transportation to the ball mill
- 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 3: Milling and screening
- 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 4: Transportation to the supply tanks
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Step 5: Dissolution process
- 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 6: Pressure leach
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Step 7: Crystallisation (OPTIONAL)
- 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 8: Drying (OPTIONAL)
- 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 9: Packaging (OPTIONAL)
- 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
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
- Name of activity / technique:
- Manufacture of sodium tungstate from Wolframite ore concentrates
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1: Transfer to the drying device
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 2: Drying and transportation to the ball mill
- 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 3: Milling and screening
- 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 4: Transportation to the supply tanks
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Step 5: Dissolution process
- 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 6: Pressure leach
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Step 7: Crystallisation (OPTIONAL)
- Process category (PROC):
- PROC 7: Industrial spraying
- Name of activity / technique:
- Step 8: Drying (OPTIONAL)
- 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 9: Packaging (OPTIONAL)
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Related assessment:
- use assessed in a joint CSR
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
- Name of activity / technique:
- Manufacture of sodium tungstate from tungsten trioxide
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1: Transfer to tank
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 2: Dissolution process
- 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 3: Crystallisation
- 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 4: Drying
- 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 5: Packaging
- 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
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
- Name of activity / technique:
- Manufacture of sodium tungstate from tungsten-containing scrap materials
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1: Transfer to the mixer
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 2: Mixing operation
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- Name of activity / technique:
- Step 3: Unloading, transportation and filling of the multiple hearth furnace
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 4: Oxidation process
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Name of activity / technique:
- Step 5: Dissolution process
- 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 6: Pressure leach
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Step 7: Crystallisation (OPTIONAL)
- 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 8: Drying (OPTIONAL)
- 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 9: Packaging (OPTIONAL)
- 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
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
- Name of activity / technique:
- Manufacture of sodium tungstate from tungsten trioxide
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1: Transfer to tank
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 2: Dissolution process
- 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 3: Crystallisation
- 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 4: Drying
- 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 5: Packaging
- 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
Manufacture
Contributing activity / technique for the environment
- Name of activity / technique:
- Manufacture of sodium tungstate from Scheelite ore concentrates
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1: Transfer to the calcination process and furnace charging
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Step 2: Calcination process
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Name of activity / technique:
- Step 3: Unloading the furnace, transportation to the supply tanks
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Step 4: Dissolution process
- 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 5: Pressure leach
- Process category (PROC):
- PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Step 6: Crystallisation (OPTIONAL)
- 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: Drying (OPTIONAL)
- 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 8: Packaging (OPTIONAL)
- 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
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.
