1,3-divinyltetraethoxydisiloxane
Also known as: 1,3-diethenyl-1,1,3,3-tetraethoxydisiloxane, bis(vinyldiethoxysilyl) ether, disiloxane, 1,3-diethenyl-1,1,3,3-tetraethoxy-, tetraethoxydivinyldisiloxane, ethenyl-[ethenyl(diethoxy)silyl]oxy-diethoxysilane, 1,1,3,3-tetraethoxy-1,3-divinyldisiloxane
1,3-divinyltetraethoxydisiloxane (CAS 3682-26-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H26O5Si2 and a molecular weight of 306.503 g/mol. Key properties include a boiling point of 256.2±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 94.6±23.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3682-26-6
- Jingsj CID
- J-1359395-8
- Molecular Formula
- C12H26O5Si2
- Molecular Weight
- 306.503 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 256.2±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 94.6±23.0 °C |
| Exact Mass | 306.131866 |
| PSA | 46.15000 |
| LogP | 8.08 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.433 |
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 1,3-divinyltetraethoxydisiloxane?
The CAS number of 1,3-divinyltetraethoxydisiloxane is 3682-26-6.
What are the molecular formula and molecular weight of 1,3-divinyltetraethoxydisiloxane?
1,3-divinyltetraethoxydisiloxane has molecular formula C12H26O5Si2 and molecular weight 306.503 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-divinyltetraethoxydisiloxane (CAS 3682-26-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359395-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.