1-(Trimethylsiloxy)-1,3-butadiene
Also known as: [(1E)-1,3-Butadien-1-yloxy](trimethyl)silane, (1,3-Butadienyloxy)trimethylsilane, Silane, (1,3-butadien-1-yloxy)trimethyl-, Silane, [(1E)-1,3-butadien-1-yloxy]trimethyl-, 1-(Trimethylsilyloxy)-1,3-butadiene, 1-TRIMETHYLSILOXY-1,3-BUTADIENE, 1-TRIMETHYLSILYLOXY-1,3-BUTADIENE, buta-1,3-dienoxy(trimethyl)silane, 1,3-Butadienyl(trimethylsilyl) ether, Trimethyl(1,3-butadienyloxy)silane, Trimethylsilyl 1,3-butadienyl ether, 4-(Trimethylsiloxy)-1,3-butadiene, (E)-(buta-1,3-dien-1-yloxy)trimethylsilane, MFCD00009647
1-(Trimethylsiloxy)-1,3-butadiene (CAS 6651-43-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H14OSi and a molecular weight of 142.271 g/mol. Key properties include a boiling point of 135.7±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 25.0±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6651-43-0
- Jingsj CID
- J-48098-8
- Molecular Formula
- C7H14OSi
- Molecular Weight
- 142.271 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 135.7±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 25.0±0.0 °C |
| Exact Mass | 142.081390 |
| PSA | 9.23000 |
| LogP | 2.76 |
| Vapor Pressure | 9.4±0.2 mmHg at 25°C |
| Refractive Index | 1.425 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-(Trimethylsiloxy)-1,3-butadiene?
The CAS number of 1-(Trimethylsiloxy)-1,3-butadiene is 6651-43-0.
What are the molecular formula and molecular weight of 1-(Trimethylsiloxy)-1,3-butadiene?
1-(Trimethylsiloxy)-1,3-butadiene has molecular formula C7H14OSi and molecular weight 142.271 g/mol.
Is 1-(Trimethylsiloxy)-1,3-butadiene hazardous?
1-(Trimethylsiloxy)-1,3-butadiene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
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-(Trimethylsiloxy)-1,3-butadiene (CAS 6651-43-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48098-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.