2-(trimethylsiloxy)-1,3-cyclohexadiene
Also known as: (1,5-cyclohexadien-1-yloxy)(trimethyl)silane, 1-(trimethylsilyloxy)-3,4-dihydrobenzene, 2-(trimethylsilyloxy)-1,3-cyclohexadiene, 2-(trimethylsilyloxy)cyclohexa-1,3-diene, MFCD00274202, 1,3-Cyclohexadiene, 2-[(trimethylsilyl)oxy]-
2-(trimethylsiloxy)-1,3-cyclohexadiene (CAS 54781-19-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H16OSi and a molecular weight of 168.308 g/mol. Key properties include a boiling point of 187.6±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 58.7±8.7 °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.
- 54781-19-0
- Jingsj CID
- J-31083-8
- Molecular Formula
- C9H16OSi
- Molecular Weight
- 168.308 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 187.6±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 58.7±8.7 °C |
| Exact Mass | 168.097046 |
| PSA | 9.23000 |
| LogP | 3.44 |
| Vapor Pressure | 0.9±0.3 mmHg at 25°C |
| Refractive Index | 1.465 |
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 2-(trimethylsiloxy)-1,3-cyclohexadiene?
The CAS number of 2-(trimethylsiloxy)-1,3-cyclohexadiene is 54781-19-0.
What are the molecular formula and molecular weight of 2-(trimethylsiloxy)-1,3-cyclohexadiene?
2-(trimethylsiloxy)-1,3-cyclohexadiene has molecular formula C9H16OSi and molecular weight 168.308 g/mol.
Is 2-(trimethylsiloxy)-1,3-cyclohexadiene hazardous?
2-(trimethylsiloxy)-1,3-cyclohexadiene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of 2-(trimethylsiloxy)-1,3-cyclohexadiene?
For 2-(trimethylsiloxy)-1,3-cyclohexadiene, Upstream Products: Chlorotrimethylsilane, 2-Cyclohexen-1-one, Diisopropylamine; Downstream Products: 4-Hydroxy-4'-nitrobiphenyl, 4-(Pyridin-2-yl)phenol, Phenoxytrimethylsilane.
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-(trimethylsiloxy)-1,3-cyclohexadiene (CAS 54781-19-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31083-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.