Phenethyl p-toluenesulfonate

Also known as: 2-Phenylethyl p-toluenesulfonate, 2-Phenylethyl 4-methylbenzenesulfonate, p-Toluenesulfonic acid phenethyl ester, p-Toluenesulfonic acid 2-phenylethyl ester, 4-Methylbenzenesulfonic acid 2-phenylethyl ester, 2-Phenylethyl tosylate

Phenethyl p-toluenesulfonate (CAS 4455-09-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H16O3S and a molecular weight of 276.35100 g/mol. Key properties include a melting point of 78ºC, a boiling point of 428.7ºC at 760mmHg, a density of 1.196g/cm3 and a flash point of 213.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4455-09-8
Jingsj CID: J-44906-9
Molecular Formula: C₁₅H₁₆O₃S
Molecular Weight: 276.35100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	78ºC
Boiling Point	428.7ºC at 760mmHg
Density	1.196g/cm3
Flash Point	213.1ºC
Exact Mass	276.08200
PSA	51.75000
LogP	4.02380
Refractive Index	1.57

Customs & Trade Information

HS Code	2906299090
Summary	2906299090 other aromatic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Phenethyl p-toluenesulfonate?

The CAS number of Phenethyl p-toluenesulfonate is 4455-09-8.

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

Phenethyl p-toluenesulfonate has molecular formula C15H16O3S and molecular weight 276.35100 g/mol.

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. "Phenethyl p-toluenesulfonate (CAS 4455-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44906-9 (accessed 2026-11-09).

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