2-Methyl-1-(trimethylsilyloxy)-1-propene
Also known as: Trimethyl((2-methylprop-1-en-1-yl)oxy)silane, Silane, trimethyl[(2-methyl-1-propen-1-yl)oxy]-, 2-Methyl-1-(trimethylsiloxy)-1-propene, Trimethyl(2-methylprop-1-enoxy)silane, Isobutyraldehyde trimethylsilyl enol ether, ITSE, MFCD00192331
2-Methyl-1-(trimethylsilyloxy)-1-propene (CAS 6651-34-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H16OSi and a molecular weight of 144.287 g/mol. Key properties include a boiling point of 119.3±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 15.6±8.3 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly 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.
- 6651-34-9
- Jingsj CID
- J-29693-9
- Molecular Formula
- C7H16OSi
- Molecular Weight
- 144.287 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 119.3±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 15.6±8.3 °C |
| Exact Mass | 144.097046 |
| PSA | 9.23000 |
| LogP | 3.29 |
| Vapor Pressure | 19.2±0.2 mmHg at 25°C |
| Refractive Index | 1.414 |
GHS Safety & Compliance
- H225 — Highly 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 2-Methyl-1-(trimethylsilyloxy)-1-propene?
The CAS number of 2-Methyl-1-(trimethylsilyloxy)-1-propene is 6651-34-9.
What are the molecular formula and molecular weight of 2-Methyl-1-(trimethylsilyloxy)-1-propene?
2-Methyl-1-(trimethylsilyloxy)-1-propene has molecular formula C7H16OSi and molecular weight 144.287 g/mol.
Is 2-Methyl-1-(trimethylsilyloxy)-1-propene hazardous?
2-Methyl-1-(trimethylsilyloxy)-1-propene has GHS signal word Danger and hazard statements H225 — Highly 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. "2-Methyl-1-(trimethylsilyloxy)-1-propene (CAS 6651-34-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29693-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.