4-Butylphenol

Also known as: p-Butylphenol, 4-n-Butylphenol, p-n-Butylphenol, 1-(p-Hydroxyphenyl)butane, 1-Hydroxy-4-n-butylbenzene, 1-(4-Hydroxyphenyl)butane, 4-(But-1-yl)phenol, Phenol, 4-butyl-, Phenol, p-butyl-, butylphenol

4-Butylphenol (CAS 1638-22-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H14O and a molecular weight of 150.218 g/mol. Key properties include a melting point of 22°C, a boiling point of 246.2±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 121.5±8.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1638-22-8
Jingsj CID: J-29787-3
Molecular Formula: C₁₀H₁₄O
Molecular Weight: 150.218 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	22°C
Boiling Point	246.2±9.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	121.5±8.8 °C
Exact Mass	150.104462
PSA	20.23000
LogP	3.54
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.523

Customs & Trade Information

HS Code	2907199090
Summary	2907199090 other monophenols 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-Butylphenol?

The CAS number of 4-Butylphenol is 1638-22-8.

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

4-Butylphenol has molecular formula C10H14O and molecular weight 150.218 g/mol.

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

For 4-Butylphenol, Upstream Products: Butylbenzene, 1-(4-Hydroxyphenyl)butan-1-one, Phenyl butyrate; Downstream Products: 4-Butylcyclohexanone.

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-Butylphenol (CAS 1638-22-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29787-3 (accessed 2026-11-07).

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