Decamethylcyclopentasiloxane
Agent Name
Decamethylcyclopentasiloxane
CAS Number
541-02-6
Formula
C10-H30-O5-Si5
Major Category
Metals
Synonyms
Cyclic dimethylsiloxane pentamer; Cyclopentasiloxane, decamethyl-; Dekamethylcyklopentasiloxan [Czech]; Dimethylsiloxane pentamer; Dow Corning 345; Dow Corning 345 Fluid; KF 995; NUC Silicone VS 7158; Polydimethylsiloxane; SF 1202; Silicon SF 1202; Union Carbide 7158 Silicone Fluid; VS 7158; [ChemIDplus]
Category
Metalloid Compounds (Silicon)
Description
Colorless volatile liquid; [Merck Index]
Sources/Uses
Used as a carrier in personal care products, as a dry cleaning solvent, and to make siloxane polymers; [Merck Index]
Comments
Silicones cause foreign body reactions when injected or implanted in tissue; [HSDB] May cause irritation; [MSDSonline] See "Octamethylcyclotetrasiloxane."
Biomedical References
Exposure Assessment
Vapor Pressure
0.2 mm Hg
Lethal Concentration
LC (rat) > 2,700 mg/m3/4h
WEEL
10 ppm
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: