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4-Octylbenzoic acid

Also known as: 4-n-Octylbenzoic acid, p-Octylbenzoic acid, p-n-Octylbenzoic acid, 4-octyl-benzoic acid, Benzoic acid, 4-octyl-, Para-octylbenzoic acid, 4-octyl-benzoesaeure, 4-n-Octyl-benzol-carbonsaeure-(1)

4-Octylbenzoic acid (CAS 3575-31-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H22O2 and a molecular weight of 234.334 g/mol. Key properties include a melting point of 97-98 °C(lit.), a boiling point of 359.9±21.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 172.6±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3575-31-3
Jingsj CID
J-1513810-0
Molecular Formula
C15H22O2
Molecular Weight
234.334 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point97-98 °C(lit.)
Boiling Point359.9±21.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point172.6±16.7 °C
Exact Mass234.161987
PSA37.30000
LogP6.07
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.515

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Octylbenzoic acid?

The CAS number of 4-Octylbenzoic acid is 3575-31-3.

What are the molecular formula and molecular weight of 4-Octylbenzoic acid?

4-Octylbenzoic acid has molecular formula C15H22O2 and molecular weight 234.334 g/mol.

What are the upstream and downstream products of 4-Octylbenzoic acid?

For 4-Octylbenzoic acid, Upstream Products: Coumalic acid, 1-decene, 4-Octylbenzaldehyde; Downstream Products: 4-octylbenzoyl chloride.

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-Octylbenzoic acid (CAS 3575-31-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513810-0 (accessed 2026-11-09).

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