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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 203-492-7 | CAS number: 107-46-0
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 environmentopen allclose all
- Name of activity / technique:
- Manufacture (inland location / freshwater only)
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
- Name of activity / technique:
- Manufacture (coastal location / marine water only)
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Closed process manufacturing, no likelihood of exposure
- 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:
- Closed continuous process manufacturing with occasional controlled exposure
- Process category (PROC):
- PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Closed batch process manufacturing
- 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:
- Chemical production where opportunity for exposure arises
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- Name of activity / technique:
- Transfer operations at dedicated facilities
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Transfer of substance or mixture into small containers (dedicated filling line, including weighing); Process sampling
- 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
- Name:
- Hexamethyldisiloxane
- Type of composition:
- legal entity composition of the substance
- State / form:
- liquid
- Reference substance:
- Hexamethyldisiloxane
- Name of activity / technique:
- Production of Hexamethyldisiloxane
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
- Name of activity / technique:
- Production of Hexamethyldisiloxane
- 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:
- Production of Hexamethyldisiloxane
- Process category (PROC):
- PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
- Name of activity / technique:
- Production of Hexamethyldisiloxane
- 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:
- Production of Hexamethyldisiloxane
- Process category (PROC):
- PROC 4: Chemical production where opportunity for exposure arises
- Name of activity / technique:
- Production of Hexamethyldisiloxane
- Process category (PROC):
- PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- Name of activity / technique:
- Production of Hexamethyldisiloxane
- 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
Reference
Contributing activity / technique for the environment
Contributing activity / technique for workersopen 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
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workers
- Process category (PROC):
- PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
- PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
- PROC 15: Use as laboratory reagent
- Related assessment:
- use assessed in a joint CSR
Manufacture
Contributing activity / technique for the environment
- Name of activity / technique:
- Production of HMDSO
- Environmental release category (ERC):
- ERC1: Manufacture of the substance
Contributing activity / technique for workers
- Name of activity / technique:
- Production of HMDSO
- 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 5: Mixing or blending in batch processes
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
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 2: Chemical production or refinery in closed continuous process with occasional controlled 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 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)
- 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.
