1,2-Bis(methyldimethoxysilyl)ethane
Also known as: 1,2-bis(dimethoxymethylsilyl)ethane, 2,2,5,5-Tetramethoxy-2,5-disilahexane, Ethylenebis(dimethoxymethylsilane), bis(dimethoxymethylsilyl)ethane
1,2-Bis(methyldimethoxysilyl)ethane (CAS 98789-40-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H22O4Si2 and a molecular weight of 238.42900 g/mol. Key properties include a boiling point of 162.3±13.0ºC at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 44.5±20.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 98789-40-3
- Jingsj CID
- J-1091368-5
- Molecular Formula
- C8H22O4Si2
- Molecular Weight
- 238.42900 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 162.3±13.0ºC at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 44.5±20.2ºC |
| Exact Mass | 238.10600 |
| PSA | 36.92000 |
| LogP | 1.71600 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2-Bis(methyldimethoxysilyl)ethane?
The CAS number of 1,2-Bis(methyldimethoxysilyl)ethane is 98789-40-3.
What are the molecular formula and molecular weight of 1,2-Bis(methyldimethoxysilyl)ethane?
1,2-Bis(methyldimethoxysilyl)ethane has molecular formula C8H22O4Si2 and molecular weight 238.42900 g/mol.
What are the upstream and downstream products of 1,2-Bis(methyldimethoxysilyl)ethane?
For 1,2-Bis(methyldimethoxysilyl)ethane, Upstream Products: Sodium methoxide, Methyldimethoxysilane, Dimethoxymethylvinylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Bis(methyldimethoxysilyl)ethane (CAS 98789-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1091368-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.