(S)-2-Methylbutyl p-toluenesulfonate

Also known as: (2S)-2-Methyl-1-butanol 1-(4-methylbenzenesulfonate), (S)-2-METHYLBUTYL P-TOLUENESULFONATE, (S)-2-Methylbutyl 4-methylbenzenesulfonate, (S)-2-Methylbutyl p-Toluenesulfonate, (S)-2-methylbutyl tosylate, 1-Butanol, 2-methyl-, 1-(4-methylbenzenesulfonate), (2S)-, P-TOLUENESULFONIC ACID (S)-2-METHYLBUTYL ESTER, Toluenesulfonicacidmethylbutylester, p-toluenesulfonic acid (s)-2-methylbutyl ester, s-2-methylbutyl tosylate

(S)-2-Methylbutyl p-toluenesulfonate (CAS 38261-81-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H18O3S and a molecular weight of 242.33500 g/mol. Key properties include a boiling point of 343.9ºC at 760 mmHg, a density of 1.11 and a flash point of 161.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 38261-81-3
Jingsj CID: J-35345-7
Molecular Formula: C₁₂H₁₈O₃S
Molecular Weight: 242.33500 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	343.9ºC at 760 mmHg
Density	1.11
Flash Point	161.8ºC
Exact Mass	242.09800
PSA	51.75000
LogP	3.82720
Refractive Index	1.503

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 (S)-2-Methylbutyl p-toluenesulfonate?

The CAS number of (S)-2-Methylbutyl p-toluenesulfonate is 38261-81-3.

What are the molecular formula and molecular weight of (S)-2-Methylbutyl p-toluenesulfonate?

(S)-2-Methylbutyl p-toluenesulfonate has molecular formula C12H18O3S and molecular weight 242.33500 g/mol.

What are the upstream and downstream products of (S)-2-Methylbutyl p-toluenesulfonate?

For (S)-2-Methylbutyl p-toluenesulfonate, Upstream Products: (S)-(-)-2-Methyl-1-butanol, p-Toluenesulfonyl chloride; Downstream Products: (S)-(-)-2-Methylbutylamine, (S)-1-Bromo-2-methylbutane, (S)-3-Methylpentanoic acid.

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. "(S)-2-Methylbutyl p-toluenesulfonate (CAS 38261-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35345-7 (accessed 2026-11-09).

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