Decamethyltetrasiloxane
Also known as: Decamethyltetrasiloxane, 1,1,1,3,3,5,5,7,7,7-Decamethyltetrasiloxane, Tetrasiloxane, decamethyl-, MFCD00008263, EINECS 205-491-7, D3780
Decamethyltetrasiloxane (CAS 141-62-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H30O3Si4 and a molecular weight of 310.685 g/mol. Key properties include a melting point of −68 °C(lit.), a boiling point of 194.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 88.1±23.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 141-62-8
- Jingsj CID
- J-45169-4
- Molecular Formula
- C10H30O3Si4
- Molecular Weight
- 310.685 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −68 °C(lit.) |
|---|---|
| Boiling Point | 194.0±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 88.1±23.0 °C |
| Exact Mass | 310.127197 |
| PSA | 27.69000 |
| LogP | 6.52 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 0.6±0.3 mmHg at 25°C |
| Refractive Index | 1.412 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Decamethyltetrasiloxane?
The CAS number of Decamethyltetrasiloxane is 141-62-8.
What are the molecular formula and molecular weight of Decamethyltetrasiloxane?
Decamethyltetrasiloxane has molecular formula C10H30O3Si4 and molecular weight 310.685 g/mol.
What are the upstream and downstream products of Decamethyltetrasiloxane?
For Decamethyltetrasiloxane, Upstream Products: Hexamethyldisiloxane, Octamethylcyclotetrasiloxane, 1-(Chloromethyl)-1,1,3,3,3-pentamethyldisiloxane; Downstream Products: Trimethylfluorosilane, Dimethyldifluorosilane, Methoxytrimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Decamethyltetrasiloxane (CAS 141-62-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45169-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.