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GreenScreen Chemical Hazard Assessments

CASRN 9006-65-9 - Dimethicone

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Dimethicone

  • Benchmark: Benchmark 2
  • Assessed: 2025-11-14
  • Expires: 2028-08-28

Used primarily in Cosmetics & Personal Care, and Pharmaceuticals applications, Dimethicone is specifically used in conditioning agent, cosmetics, personal care products, and pharmaceutical.

Dimethicone is a liquid silicone polymer that is white and almost odorless. Its viscosity may range from 20 cSt to 60,000 cSt (100-350 cSt are generally used for cosmetics). According to the Cosmetic Ingredient Review (CIR), dimethicone is a mixture of fully methylated linear siloxane polymers end blocked with trimethylsiloxy units, and the International Nomenclature Cosmetic Ingredient (INCI) name dimethicone corresponds to polymers with the CAS #s 9006-65-9, 9016-00-6, and 63148-62-9.

Key Functions: Cosmetics & Personal Care, Pharmaceuticals

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