Octadecyl p-toluenesulfonate

Also known as: Benzenesulfonic acid,4-methyl-, octadecyl ester, octadecyl 4-methylbenzenesulfonate, octadecyl tosylate, p-Toluenesulfonic Acid Octadecyl Ester, Stearyl p-Toluenesulfonate, p-Toluenesulfonic Acid Stearyl Ester, N-OCTADECYL P-TOLUENESULFONATE, P-TOLUENESULFONIC ACID N-OCTADECYL ESTER, toluene-4-sulfonic acid octadecyl ester, 1-octadecyl p-toluenesulfonate

Octadecyl p-toluenesulfonate (CAS 3386-32-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C25H44O3S and a molecular weight of 424.68000 g/mol. Key properties include a melting point of 58ºC, a boiling point of 521.2ºC at 760mmHg, a density of 0.977g/cm3 and a flash point of 269ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3386-32-1
Jingsj CID: J-46267-9
Molecular Formula: C₂₅H₄₄O₃S
Molecular Weight: 424.68000 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	58ºC
Boiling Point	521.2ºC at 760mmHg
Density	0.977g/cm3
Flash Point	269ºC
Exact Mass	424.30100
PSA	51.75000
LogP	9.04260
Refractive Index	1.488

Customs & Trade Information

HS Code	2905199090
Summary	2905199090. saturated monohydric alcohols. 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 Octadecyl p-toluenesulfonate?

The CAS number of Octadecyl p-toluenesulfonate is 3386-32-1.

What are the molecular formula and molecular weight of Octadecyl p-toluenesulfonate?

Octadecyl p-toluenesulfonate has molecular formula C25H44O3S and molecular weight 424.68000 g/mol.

What are the upstream and downstream products of Octadecyl p-toluenesulfonate?

For Octadecyl p-toluenesulfonate, Upstream Products: 1-Octadecanol, p-Toluenesulfonyl chloride, p-Toluenesulfonic acid; Downstream Products: Dioctadecyl sulfide, Dioctadecyl disulfide, Octadecyl acetate.

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. "Octadecyl p-toluenesulfonate (CAS 3386-32-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46267-9 (accessed 2026-11-09).

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