Products Description of Decamethylcyclopentasiloxane CAS#541-02-6
Decamethylcyclopentasiloxane, commonly referred to as cyclopentasiloxane, is a transparent, colorless, and odorless volatile silicone fluid with excellent sensory properties. Due to its favorable safety profile and environmental characteristics, it is extensively used in personal care and cosmetic products, such as deodorants, antiperspirants, skincare products, shampoos, body lotions, and other beauty formulations.
With outstanding solubility and compatibility with alcohols and a broad range of cosmetic solvents, Decamethylcyclopentasiloxane serves as a multifunctional ingredient that enhances formulation flexibility and performance across various health, beauty, and personal care applications.
Decamethylcyclopentasiloxane Chemical Properties
| Melting point | -44°C |
| Boiling point | 90 °C/10 mmHg (lit.) |
| density | 0.958 g/mL at 25 °C (lit.) |
| vapor pressure | 33.2Pa at 25℃ |
| refractive index | n20/D 1.396(lit.) |
| Fp | 162 °F |
| storage temp. | 2-8°C |
| solubility | <0.0001g/l (calculated) |
| form | Liquid |
| color | Colorless |
| Specific Gravity | 0.959 |
| explosive limit | 0.52-7%(V) |
| Water Solubility | Immiscible with water. |
| Hydrolytic Sensitivity | 1: no significant reaction with aqueous systems |
| Merck | 142848 |
| BRN | 1800166 |
| Dielectric constant | 2.5（20℃） |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | XMSXQFUHVRWGNA-UHFFFAOYSA-N |
| LogP | 8.07 at 24.6℃ |
| CAS DataBase Reference | 541-02-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Decamethylcyclopentasiloxane(541-02-6) |
| EPA Substance Registry System | Decamethylcyclopentasiloxane (541-02-6) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38-53 |
| Safety Statements | 23-24/25-36-26 |
| RIDADR | NA 1993 / PGIII |
| WGK Germany | 2 |
| RTECS | GY5945200 |
| TSCA | Yes |
| HS Code | 29310095 |
| Hazardous Substances Data | 541-02-6(Hazardous Substances Data) |
| Toxicity | LD50 oral in rat: > 24134mg/kg |
Product Application of Decamethylcyclopentasiloxane CAS#541-02-6
Decamethylcyclopentasiloxane is extensively applied in cosmetic and personal care formulations. With its excellent miscibility with various alcohols and a wide range of cosmetic solvents, it provides strong formulation adaptability and is suitable for diverse beauty and skincare applications.
