Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl-
Also known as: 3,5-bis-(Chloromethyl)octamethyltetrasiloxane, 3,5-Bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyltetrasiloxane, 3,5-Bis-chlormethyl-1,1,1,3,5,7,7,7-octamethyl-tetrasiloxan, 3,5-bis-chloromethyl-1,1,1,3,5,7,7,7-octamethyl-tetrasiloxane, chloromethyl-(chloromethyl-methyl-trimethylsilyloxysilyl)oxy-methyl-trimethylsilyloxysilane
Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl- (CAS 17988-79-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H28Cl2O3Si4 and a molecular weight of 379.576 g/mol. Key properties include a melting point of -77ºC, a boiling point of 284.6±50.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 105.3±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17988-79-3
- Jingsj CID
- J-1446737-9
- Molecular Formula
- C10H28Cl2O3Si4
- Molecular Weight
- 379.576 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -77ºC |
|---|---|
| Boiling Point | 284.6±50.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 105.3±22.2 °C |
| Exact Mass | 378.049255 |
| PSA | 27.69000 |
| LogP | 6.99 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.432 |
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 Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl-?
The CAS number of Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl- is 17988-79-3.
What are the molecular formula and molecular weight of Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl-?
Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl- has molecular formula C10H28Cl2O3Si4 and molecular weight 379.576 g/mol.
What are the upstream and downstream products of Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl-?
For Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl-, Upstream Products: Hexamethyldisiloxane, Dichloro(chloromethyl)methylsilane, Chlorotrimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl- (CAS 17988-79-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446737-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.