Propyl methanesulfonate

Also known as: Methanesulfonic acid, propyl ester, Methanesulfonic acid propyl ester, n-Propyl methanesulfonate, NSC 49872, Propyl mesylate, Propyl methanesulphonate, n-Propyl mesylate, n-Propyl methane sulfonate, n-Propyl methane sulphonate, Amlodipine impurity V, EINECS 217-619-9

Propyl methanesulfonate (CAS 1912-31-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H10O3S and a molecular weight of 138.18500 g/mol. Key properties include a boiling point of 229.2ºC at 760mmHg, a density of 1.133g/cm3 and a flash point of 92.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1912-31-8
Jingsj CID: J-1001615-6
Molecular Formula: C₄H₁₀O₃S
Molecular Weight: 138.18500 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	229.2ºC at 760mmHg
Density	1.133g/cm3
Flash Point	92.4ºC
Exact Mass	138.03500
PSA	51.75000
LogP	1.45340
Vapor Pressure	0.106mmHg at 25°C
Refractive Index	1.423

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 Propyl methanesulfonate?

The CAS number of Propyl methanesulfonate is 1912-31-8.

What are the molecular formula and molecular weight of Propyl methanesulfonate?

Propyl methanesulfonate has molecular formula C4H10O3S and molecular weight 138.18500 g/mol.

What are the upstream and downstream products of Propyl methanesulfonate?

For Propyl methanesulfonate, Upstream Products: 1-Propanol, Trimethyl(propoxy)silane, Carbon dioxide; Downstream Products: 1-bromopropane, Methanesulfonic acid, Tetrabutylphosphonium methanesulfonate.

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. "Propyl methanesulfonate (CAS 1912-31-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001615-6 (accessed 2026-11-09).

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