Octamethylcyclotetrasiloxane (D4)

H361f ***
H413

100000 - 1000000 tonnes per annum

Yes, in human adipose tissue and exhalation air. In indoor and outdoor air, biogas, sediment and sludge, marine and fresh water fish, marine mammals.

Intermediate, softener, emolliant, anti-foaming agent, process regulators; excellent spreading easy rubout lubricant, high purity silicone fluid

SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
SU 24: Scientific research and development
SU 5: Manufacture of textiles, leather, fur
SU 8: Manufacture of  bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals

PC 15: Non-metal-surface treatment products
PC 19: Intermediate
PC 1: Adhesives, sealants
PC 21: Laboratory chemicals
PC 23: Leather tanning, dye, finishing, impregnation and care products
PC 24: Lubricants, greases, release products
PC 31: Polishes and wax blends
PC 33: Semiconductors
PC 34: Textile dyes, finishing and impregnating products
including bleaches and other processing aids
PC 35: Washing and cleaning products (including solvent based products)
PC 39: Cosmetics, personal care products
PC 9a: Coatings and paints, thinners, paint removes

ERC 1: Manufacture of substances
ERC 2: Formulation of preparations
ERC 4: Industrial use of processing aids in processes and products, not becoming part of articles
ERC 5: Industrial use resulting in inclusion into or onto a matrix
ERC 6a: Industrial use resulting in manufacture of another substance (use of intermediates)
ERC 6b: Industrial use of reactive processing aids
ERC 6c: Industrial use of monomers for manufacture of thermoplastics
ERC 6d: Industrial use of  process regulators for polymerisation processes in  production of resins, rubbers, polymers
ERC 8a: Wide dispersive indoor use of processing aids in open systems
ERC 8b: Wide dispersive indoor use of reactive substances in open systems
ERC 8d: Wide dispersive outdoor use of processing aids in open systems

PROC 10: Roller application or brushing
PROC 11: Non industrial spraying
PROC 13: Treatment of articles by dipping and pouring
PROC 14: Production of preparations or articles by tabletting, compression, extrusion, pelletisation
PROC 15: Use as laboratory reagent
PROC 19: Hand-mixing with intimate contact and only PPE available.
PROC 1: Use in closed process, no likelihood of exposure
PROC 2: Use in closed, continuous  process with occasional controlled exposure
PROC 3: Use in closed batch process (synthesis or formulation)
PROC 4: Use in batch and other process (synthesis) where opportunity for exposure arises
PROC 5: Mixing or blending in batch processes for formulation of preparations and articles (multistage and/or significant contact)
PROC 7: Industrial spraying
PROC 8a: Transfer of substance or preparation (charging/discharging) from/to vessels/large containers at non-dedicated facilities
PROC 8b: Transfer of substance or preparation (charging/discharging) from/to vessels/large containers at dedicated facilities
PROC 9: Transfer of substance or preparation into small containers (dedicated filling line, including weighing)