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4-Butylphenylacetylene

Also known as: (P-BUTYLPHENYL)ACETYLENE, 1-BUTYL-4-ETH-1-YNYLBENZENE, 1-BUTYL-4-ETHYNYLBENZENE, 1-Butyl-4-eth-1-ynylbenzene, 1-Butyl-4-eth1-ynylbenzene, 1-Butyl-4-ethynylbenzene, 1-Eth-1-ynyl-4-butylbenzene, 4-BUTYLPHENYLACETYLENE, 4-Butylphenyl acetylene, 4-butylphenylacetylene, 79887-09-05, BENZENE, 1-BUTYL-4-ETHYNYL-, BUTTPARK 145\20-77, Benzene, 1-butyl-4-ethynyl-, MFCD00173885

4-Butylphenylacetylene (CAS 79887-09-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H14 and a molecular weight of 158.240 g/mol. Key properties include a boiling point of 225.2±19.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 80.4±15.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
79887-09-5
Jingsj CID
J-2647-1
Molecular Formula
C12H14
Molecular Weight
158.240 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point225.2±19.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point80.4±15.6 °C
Exact Mass158.109543
LogP4.45
Vapor Pressure0.1±0.2 mmHg at 25°C
Refractive Index1.516

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Butylphenylacetylene?

The CAS number of 4-Butylphenylacetylene is 79887-09-5.

What are the molecular formula and molecular weight of 4-Butylphenylacetylene?

4-Butylphenylacetylene has molecular formula C12H14 and molecular weight 158.240 g/mol.

What are the upstream and downstream products of 4-Butylphenylacetylene?

For 4-Butylphenylacetylene, Upstream Products: 1-Bromo-4-butylbenzene, 1-(4-Iodophenyl)butane, 4-Butylbenzaldehyde; Downstream Products: methyl 4-butylbenzoate, 1,1'-Ethyne-1,2-diylbis(4-butylbenzene).

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

Last updated:

How to cite: Jingsj. "4-Butylphenylacetylene (CAS 79887-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2647-1 (accessed 2026-11-09).

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