Methanesulfonic Acid Ethyl Ester

Molecular Formula
C3H8O3S
Catalog Number
M2497
Supplier/Brand
Spectrum Chemical
CAS Number
62-50-0

Methanesulfonic Acid Ethyl Ester, also known as Methylsulfonic acid, is the simplest of the alkylsulfonic acids and is used as an acid catalyst in organic reactions. Because it is liquid at ambient temperature, it is also used in industrial applications. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.


Synonyms: Ethyl Methanesulfonate

Shipping Information

DOT: UN2810, Toxic liquid, organic, n.o.s. (methanesulfonic acid ethyl ester), 6.1, PG III

Largest individual container shippable via:
UPS/FedEx Ground: 4 L    UPS Air: 1 L    FedEx Air: 20 L

Additional UPS-imposed hazardous material charge.
Tariff No. 2930909050

prop65WARNING: Cancer - www.P65Warnings.ca.gov

Certificates of Analysis

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2023