1-(4-Butylphenyl)ethan-1-one

Also known as: p-Butylacetophenone, 4'-Butylacetophenone, 4-n-Butylacetophenone, 1-(4-Butylphenyl)ethanone, 4-BUTYLACETOPHENONE, P-BUTYLACETOPHENONE, p-n-Butylacetophenone, Ethanone, 1-(4-butylphenyl)-

1-(4-Butylphenyl)ethan-1-one (CAS 37920-25-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H16O and a molecular weight of 176.255 g/mol. Key properties include a boiling point of 275.0±19.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 111.9±16.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 37920-25-5
Jingsj CID: J-1423125-5
Molecular Formula: C₁₂H₁₆O
Molecular Weight: 176.255 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	275.0±19.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	111.9±16.5 °C
Exact Mass	176.120117
PSA	17.07000
LogP	3.72
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.502

Customs & Trade Information

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-(4-Butylphenyl)ethan-1-one?

The CAS number of 1-(4-Butylphenyl)ethan-1-one is 37920-25-5.

What are the molecular formula and molecular weight of 1-(4-Butylphenyl)ethan-1-one?

1-(4-Butylphenyl)ethan-1-one has molecular formula C12H16O and molecular weight 176.255 g/mol.

What are the upstream and downstream products of 1-(4-Butylphenyl)ethan-1-one?

For 1-(4-Butylphenyl)ethan-1-one, Upstream Products: 1-Butaneboronic acid, 1-(4-Chlorophenyl)ethanone, 4'-Bromoacetophenone; Downstream Products: 4-Butylbenzoic acid, Terephthalic acid.

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. "1-(4-Butylphenyl)ethan-1-one (CAS 37920-25-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1423125-5 (accessed 2026-11-09).

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