4-Pentylphenol

Also known as: 4-Amylphenol, 4-n-Amylphenol, 4-n-Pentylphenol, p-Amylphenol, p-n-Pentylphenol, p-Pentylphenol, 5PO

4-Pentylphenol (CAS 14938-35-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C11H16O and a molecular weight of 164.244 g/mol. Key properties include a melting point of 23-25 °C, a boiling point of 250.5±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 135.0±8.8 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14938-35-3
Jingsj CID: J-29784-0
Molecular Formula: C₁₁H₁₆O
Molecular Weight: 164.244 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	23-25 °C
Boiling Point	250.5±0.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	135.0±8.8 °C
Exact Mass	164.120117
PSA	20.23000
LogP	4.07
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.518

GHS Safety & Compliance

CorrosionSignal word: Danger

H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of 4-Pentylphenol?

The CAS number of 4-Pentylphenol is 14938-35-3.

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

4-Pentylphenol has molecular formula C11H16O and molecular weight 164.244 g/mol.

Is 4-Pentylphenol hazardous?

4-Pentylphenol has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

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

For 4-Pentylphenol, Upstream Products: 4'-Hydroxyvalerophenone, Valeraldehyde, Phenol; Downstream Products: 4-Pentylcyclohexanol (cis- and trans- mixture), 4-Pentylphenyl 4-methoxybenzoate, 4-Pentylcyclohexanone.

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-Pentylphenol (CAS 14938-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29784-0 (accessed 2026-11-07).

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