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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 231-143-9 | CAS number: 7440-33-7
Manufacture
Documentsopen allclose all
Manufacture
Contributing activity / technique for the environment
- Name of activity / technique:
- Manufacture of tungsten metal powder
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 6: Homogenising
- 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:
- The following activities were individually coded as PROC 8b:
Step 1: Transfer from drums to process metal containers (OPTIONAL)
Step 4: Sieving
Step 5: Transfer to mixer
Step 7: Filling
Step 8: Maintenance - 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)
- Related assessment:
- use assessed in a joint CSR
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 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)
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 tungsten metal powder
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 6: Homogenising
- 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:
- The following activities were individually coded as PROC 8b:
Step 1: Transfer from drums to process metal containers (OPTIONAL)
Step 4: Sieving
Step 5: Transfer to mixer
Step 7: Filling
Step 8: Maintenance - 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)
- Related assessment:
- use assessed in a joint CSR
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 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)
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:
- Raw Material Handling
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workers
- Name of activity / technique:
- Raw Material Handling
- 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
- PROC 4: Chemical production where opportunity for exposure arises
- PROC 5: Mixing or blending in batch processes
- PROC 7: Industrial spraying
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 15: Use as laboratory reagent
- PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
- PROC 27a: Production of metal powders (hot processes)
- PROC 27b: Production of metal powders (wet processes)
- Pattern of exposure:
- occasional
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.
