4'-Benzyloxyphenyl acetylene

Also known as: 1-(Benzyloxy)-4-ethynylbenzene, 1-Ethynyl-4-(phenylmethoxy)benzene, 1-ethynyl-4-phenylmethoxybenzene, 4-Benzyloxyphenyl acetylene, Benzene, 1-ethynyl-4-(phenylmethoxy)-, Benzyl 4-ethynylphenyl ether

4'-Benzyloxyphenyl acetylene (CAS 84284-70-8) 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. Key properties include a boiling point of 328.5±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 148.7±18.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 84284-70-8
Jingsj CID: J-1384613-4
Molecular Formula: C₁₅H₁₂O
Molecular Weight: 208.255 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	328.5±25.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	148.7±18.9 °C
Exact Mass	208.088821
PSA	9.23000
LogP	3.97
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.597
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2909309090
Summary	2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4'-Benzyloxyphenyl acetylene?

The CAS number of 4'-Benzyloxyphenyl acetylene is 84284-70-8.

What are the molecular formula and molecular weight of 4'-Benzyloxyphenyl acetylene?

4'-Benzyloxyphenyl acetylene has molecular formula C15H12O and molecular weight 208.255 g/mol.

What are the upstream and downstream products of 4'-Benzyloxyphenyl acetylene?

For 4'-Benzyloxyphenyl acetylene, Upstream Products: ((4-(Benzyloxy)phenyl)ethynyl)trimethylsilane, 1-Benzyloxy-4-iodobenzene, Trimethylsilylacetylene; Downstream Products: 4-(Benzyloxy)benzonitrile, 4'-Benzyloxyacetophenone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4'-Benzyloxyphenyl acetylene (CAS 84284-70-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1384613-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.