1,2-Bis(trimethylsiloxy)ethane
Also known as: 1,2-Bis(trimethylsilyloxy)ethane, Ethylenedioxybis(trimethylsilane), Ethylene glycol bis(trimethylsilyl ether), 2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctane, trimethyl(2-trimethylsilyloxyethoxy)silane
1,2-Bis(trimethylsiloxy)ethane (CAS 7381-30-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H22O2Si2 and a molecular weight of 206.430 g/mol. Key properties include a boiling point of 165.5±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 36.6±20.2 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7381-30-8
- Jingsj CID
- J-47914-1
- Molecular Formula
- C8H22O2Si2
- Molecular Weight
- 206.430 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 165.5±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 36.6±20.2 °C |
| Exact Mass | 206.115829 |
| PSA | 18.46000 |
| LogP | 3.33 |
| Vapor Pressure | 2.5±0.3 mmHg at 25°C |
| Refractive Index | 1.405 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
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(trimethylsiloxy)ethane?
The CAS number of 1,2-Bis(trimethylsiloxy)ethane is 7381-30-8.
What are the molecular formula and molecular weight of 1,2-Bis(trimethylsiloxy)ethane?
1,2-Bis(trimethylsiloxy)ethane has molecular formula C8H22O2Si2 and molecular weight 206.430 g/mol.
Is 1,2-Bis(trimethylsiloxy)ethane hazardous?
1,2-Bis(trimethylsiloxy)ethane has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of 1,2-Bis(trimethylsiloxy)ethane?
For 1,2-Bis(trimethylsiloxy)ethane, Upstream Products: Chlorotrimethylsilane, Ethylene glycol, 2-phenyl-1,3-dioxolane; Downstream Products: 2-(Bromomethyl)-2-phenyl-1,3-dioxolane, 2-(2-Bromophenyl)-1,3-dioxolane, 2-phenyl-1,3-dioxolane.
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(trimethylsiloxy)ethane (CAS 7381-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47914-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.