Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Decamethylcyclopentasiloxane
Alias: D5; Cyclopentasiloxane; Decamethylcyclopentasiloxane
CAS No: 541-02-6
Molecular Formula: C10H30O5Si5
Molecular Weight: 370.79
Classification: Cyclic silicone; Cosmetic raw material; Volatile silicone fluid
Physical & Chemical Properties
Appearance: Colorless transparent oily liquid
Odor: Odorless
Density: 0.958 g/mL (25 °C)
Boiling Point: 210 °C
Refractive Index: 1.396 (25 °C)
Solubility: Insoluble in water; Miscible with ethanol, ether, hydrocarbon solvents, cosmetic oils
Stability: Good thermal stability; Low volatility; Inert under normal storage conditions
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Decamethylcyclopentasiloxane | — | Cyclic siloxane |
| CAS No | 541-02-6 | — | Cosmetic / Industrial grade |
| Appearance | Colorless clear liquid | — | Volatile silicone |
| Molecular Formula | C10H30O5Si5 | — | Cyclopentasiloxane |
| Molecular Weight | 370.79 | g/mol | — |
| Purity | ≥99.0 | % | GC |
Main Uses
- Volatile silicone carrier in skincare and haircare formulations.
- Emollient and spreading agent for cosmetics, improving skin feel and smoothness.
- Solvent and diluent for silicone-based products and personal care formulations.
- Industrial use as lubricant, release agent and electronic cleaning solvent.
...
Product
