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GreenScreen Chemical Hazard Assessments

556-67-2

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Octamethylcyclotetrasiloxane

  • Benchmark: Benchmark 1
  • Assessed: 2014-08-28

Key Functions: Cosmetics & Personal Care, Industrial / Manufacturing, Plasticizers & Polymer

Octamethylcyclotetrasiloxane is commonly referred to as D4. It is a key ingredient in a variety of product formulations and a critical intermediate in the production of silicone polymers

Chemical Synonyms Cyclic dimethylsiloxane tetramer, Cyclen D4/OMCTS, Cyclen D4/OMCTS WN, Cyclomethicone, Cyclotetrasiloxane, octamethyl-, Cyclotetrasiloxane, D4, Dow Corning 244, KF 994, DC 344, DC 244, Dow Corning 344, NUC silicone VS 7207, Oel Z020, OMCTS, SF 1173, Tetramere D4/OMCTS, Tetramere D4/OMCTS Silbione, TSF 404, Volasil 244 and VS 7207 (ECHA 2014)

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