Butyl methanesulfonate

Also known as: Butane, methylsulfonyloxy, Butyl methane sulfonate, Butylmesylate, Butyl mesylate, Butyl methanesulphonate, Butylmethansulfonat, EINECS 217-620-4, Imatinib Impurity Butyl Methane Sulfonate, MFCD00041257, Methyl sulphonoxy butane, N-BUTYL METHANESULPHONATE, n-Butyl mesylate, n-Butyl methanesulfonate, n-butyl mesylate, n-butyl methanesulphonate, n-butylmethanesulfonate

Butyl methanesulfonate (CAS 1912-32-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H12O3S and a molecular weight of 152.212 g/mol. Key properties include a boiling point of 245.0±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 102.0±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1912-32-9
Jingsj CID: J-1365911-5
Molecular Formula: C₅H₁₂O₃S
Molecular Weight: 152.212 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	245.0±9.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	102.0±18.7 °C
Exact Mass	152.050720
PSA	51.75000
LogP	1.03
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.430

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 Butyl methanesulfonate?

The CAS number of Butyl methanesulfonate is 1912-32-9.

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

Butyl methanesulfonate has molecular formula C5H12O3S and molecular weight 152.212 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. "Butyl methanesulfonate (CAS 1912-32-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365911-5 (accessed 2026-11-09).

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