1-butyl-4-fluorobenzene

Also known as: 1-butyl-4-fluoro-benzene, 4-butylfluorobenzene, 4-n-butyl-fluorobenzene, Benzene, 1-butyl-4-fluoro-, p-Fluor-n-butylbenzol, p-Fluorbutylbenzol, p-Fluorobutylbenzene, p-fluorophenyl-butane, 1-BUTYL-4-FLUORO-BENZENE

1-butyl-4-fluorobenzene (CAS 20651-65-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H13F and a molecular weight of 152.20900 g/mol. Key properties include a boiling point of 187.6ºC at 760 mmHg, a density of 0.954g/cm3 and a flash point of 59.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20651-65-4
Jingsj CID: J-1604730-6
Molecular Formula: C₁₀H₁₃F
Molecular Weight: 152.20900 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	187.6ºC at 760 mmHg
Density	0.954g/cm3
Flash Point	59.2ºC
Exact Mass	152.10000
LogP	3.16830
Vapor Pressure	0.863mmHg at 25°C
Refractive Index	1.477

Customs & Trade Information

HS Code	2903999090
Summary	2903999090 halogenated derivatives of aromatic hydrocarbons 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 1-butyl-4-fluorobenzene?

The CAS number of 1-butyl-4-fluorobenzene is 20651-65-4.

What are the molecular formula and molecular weight of 1-butyl-4-fluorobenzene?

1-butyl-4-fluorobenzene has molecular formula C10H13F and molecular weight 152.20900 g/mol.

What are the upstream and downstream products of 1-butyl-4-fluorobenzene?

For 1-butyl-4-fluorobenzene, Upstream Products: Butylmagnesium chloride, 1-Bromo-4-fluorobenzene, (4-Butylphenyl)boronic 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-butyl-4-fluorobenzene (CAS 20651-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1604730-6 (accessed 2026-11-09).

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