4-Ethoxystyrene
4-乙氧基苯乙烯
Also known as: 1-Ethoxy-4-vinylbenzene, 1-ethenyl-4-ethoxybenzene, 4-VINYLPHENETOLE, p-Ethoxystyrene, Benzene, 1-ethenyl-4-ethoxy-
4-Ethoxystyrene (CAS 5459-40-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H12O and a molecular weight of 148.20200 g/mol. It is also known as 1-Ethoxy-4-vinylbenzene, 1-ethenyl-4-ethoxybenzene and 4-VINYLPHENETOLE. Key properties include a boiling point of 99-100 °C11 mm Hg(lit.), a density of 0.99 g/mL at 25 °C(lit.) and a flash point of 190 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5459-40-5
- Jingsj CID
- J-18385-5
- Molecular Formula
- C10H12O
- Chinese Name
- 4-乙氧基苯乙烯
- Molecular Weight
- 148.20200 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 99-100 °C11 mm Hg(lit.) |
|---|---|
| Density | 0.99 g/mL at 25 °C(lit.) |
| Flash Point | 190 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4-Ethoxystyrene?
The CAS number of 4-Ethoxystyrene is 5459-40-5.
What are the molecular formula and molecular weight of 4-Ethoxystyrene?
4-Ethoxystyrene has molecular formula C10H12O and molecular weight 148.20200 g/mol.
Is 4-Ethoxystyrene hazardous?
4-Ethoxystyrene has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Ethoxystyrene (CAS 5459-40-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18385-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.