Dodecamethylpentasiloxane
十二甲基五硅氧烷
Also known as: 1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane, Pentasiloxane, dodecamethyl-, Dodecamethyl-2,4,6,8-tetraoxa-1,3,5,7,9-pentasilanonane, Dodecamethylnonanepentasiloxane, Penta(dimethylsiloxane), bis[[dimethyl(trimethylsilyloxy)silyl]oxy]-dimethylsilane, dodecamethyl-pentasiloxane
- CAS No.
- 141-63-9
- Jingsj CID
- J-24056-7
- Molecular Formula
- C12H36O4Si5
- Chinese Name
- 十二甲基五硅氧烷
- Molecular Weight
- 384.839 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | −81 °C(lit.) |
|---|---|
| Boiling Point | 284.4±23.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 117.4±23.0 °C |
Frequently Asked Questions
What is the CAS number of Dodecamethylpentasiloxane?
141-63-9
What are the molecular formula and molecular weight of Dodecamethylpentasiloxane?
C12H36O4Si5, molecular weight 384.839 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026