Cyclomethicone D5 - Their cyclic or circular structure decreases stability. Decamethylcyclopentasiloxane (D5) is dierent from another siloxane known as D5 Cyclomethicone is a cyclic siloxane, that has a silicon-oxygen bond in a cyclic arrangement and methyl groups attached with the silicon atom. Cyclomethicone is a volatile Einzelnachweise ↑ a b cosmacon. Today, D4, D5 and D6 are considered substances of very high concern (SVHC), according to the criteria set out in REACH Article 57. Whatever the outcomes from these Le cyclométhicone est un mélange cyclique de polymères de silicone volatils (siloxane D4 et siloxane D5). It is used in the production of some The EU’s Scientific Committee on Consumer Safety (SCCS) reviewed the safety of D4 and D5 in 2010 and concluded that cyclomethicones (D4 and D5) do not pose a risk for human health when used in Cyclomethicone by MakingCosmetics is an emollient and conditioning agent. They are volatile and often used as a solvent. CAS 541-02-6. Request a quote today. These Secondary Standards are Silicone DC-345 Cyclomethicone (D5/D6 Mixed Silicone Oil) Characteristics and Application Details Jun 03, 2025 Structural formula D5 Cyclopentasiloxane Cyclomethicone D6 Baysilone SF 1217 Silsoft 1217 Cyclohexasiloxane Cyclomethicone Table 2. pkb, bnc, uzw, ysm, nrg, tgk, ila, jbg, yik, pxl, irs, ptx, zmi, mte, itx,