1-(Benzyloxy)-3-ethynylbenzene

3-苄氧基苯乙炔

Also known as: 1-(BENZYLOXY)-3-ETHYNYLBENZENE, 1-Ethynyl-3-(phenylmethoxy)-benzene, Benzene, 1-ethynyl-3-(phenylmethoxy)-, 3'-Benzyloxyphenyl acetylene, 3-benzyloxyphenylacetylene

1-(Benzyloxy)-3-ethynylbenzene (CAS 128133-59-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H12O and a molecular weight of 208.255 g/mol. It is also known as 1-(BENZYLOXY)-3-ETHYNYLBENZENE, 1-Ethynyl-3-(phenylmethoxy)-benzene and Benzene, 1-ethynyl-3-(phenylmethoxy)-. Key properties include a boiling point of 336.6±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 153.8±18.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
128133-59-5
Jingsj CID
J-16333-6
Molecular Formula
C15H12O
Chinese Name
3-苄氧基苯乙炔
Molecular Weight
208.255 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point336.6±25.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point153.8±18.9 °C

Frequently Asked Questions

What is the CAS number of 1-(Benzyloxy)-3-ethynylbenzene?

The CAS number of 1-(Benzyloxy)-3-ethynylbenzene is 128133-59-5.

What are the molecular formula and molecular weight of 1-(Benzyloxy)-3-ethynylbenzene?

1-(Benzyloxy)-3-ethynylbenzene has molecular formula C15H12O and molecular weight 208.255 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-(Benzyloxy)-3-ethynylbenzene (CAS 128133-59-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16333-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.