3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate

Also known as: 3-(Methylthio)-1-(tosyloxy)propane, 3-(Methylthio)propyl tosylate, 3-Methylsulfanylpropyl 4-methylbenzenesulfonate, 3-Methylsulfanylpropyl toluene-4-sulfonate, 3-Methylthiopropyl 4-toluenesulphonate, 1-Propanol, 3-(methylthio)-, 1-(4-methylbenzenesulfonate)

3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate (CAS 187722-18-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H16O3S2 and a molecular weight of 260.373 g/mol. Key properties include a boiling point of 403.2±28.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 197.6±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 187722-18-5
Jingsj CID: J-1513432-4
Molecular Formula: C₁₁H₁₆O₃S₂
Molecular Weight: 260.373 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	403.2±28.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	197.6±24.0 °C
Exact Mass	260.054077
PSA	77.05000
LogP	2.42
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.543

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate?

The CAS number of 3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate is 187722-18-5.

What are the molecular formula and molecular weight of 3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate?

3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate has molecular formula C11H16O3S2 and molecular weight 260.373 g/mol.

What are the upstream and downstream products of 3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate?

For 3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate, Upstream Products: 3-(Methylthio)-1-propanol, p-Toluenesulfonyl chloride.

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. "3-(Methylsulfanyl)propyl 4-methylbenzenesulfonate (CAS 187722-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513432-4 (accessed 2026-11-09).

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