Decamethylcyclopentasiloxane

CAS: 541-02-6

Ref. TR-D212440

Product Information

• Name: Decamethylcyclopentasiloxane
• Synonyms: Cyclopentasiloxane, 2,2,4,4,6,6,8,8,10,10-decamethyl-, Cyclopentasiloxane, decamethyl- (6CI,8CI,9CI), 2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane, Botanisil CP 33, Cyclic dimethylsiloxane pentamer, Cyclo-decamethylpentasiloxane, Cyclomethicone pentamer 245, Cyclopentadimethylsiloxane, Cyclopentasiloxane, D 5 (siloxane), D5, DC 2-5252C, DC 245, DC 345, DC 345 Fluid, Decamethylcylopentasiloxane, Decamethylpentacyclosiloxane, Dimethylsiloxane pentamer, Dow Corning 2-5252C, Dow Corning 245, Dow Corning 245 Fluid, Dow Corning 345, Dow Corning 345 Fluid, Dow Corning 345EU, Execol D 5, KF 7312T, KF 955, KF 995, LS 9000, Mirasil CM 5, NUC Silicone VS 7158, Pentacyclomethicone, SF 1202, SH 245, SH 245 (siloxane), SH 245 Fluid, Silbione 70045V5, Silbione V 5, Silicon Plus α, Silicone SF 1202, Siloxane D 5, TFS 405, TSF 405, TSF 405A, TSF 465, Tego Polish Additive 5, Union Carbide 7158 Silicone Fluid, VS 7158, Volasil 245, Volatile Silicone Fluid 345, Xiameter PMX
• Brand: TRC
• Description: Applications A cyclic volatile methylsiloxane (cVMS) used in cosmetic and personal care products. Used in dermal exposure and inhalation toxicity study.References Wang, R. et al: Env. Int., 35, 900 (2009); Johnson, B. et al.: Chem. Ind. Digest, 23, 79 (2010); Reddy, M.D, et al.: Toxic. Sci., 105, 275 (2008)

Chemical properties

• Molecular weight: 370.77
• Formula: C₁₀H₃₀O₅Si₅
• Color/Form: Colourless
• InChI: InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3
• InChI key: InChIKey=XMSXQFUHVRWGNA-UHFFFAOYSA-N
• SMILES: C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1