Methyl Methanesulfonate

Name: Methyl Methanesulfonate
Brand: Vaqora Chemicals
SKU: VQ-010896

About Methyl Methanesulfonate

Vaqora Chemicals supplies Methyl Methanesulfonate, an organosulfur compound registered under CAS number 66-27-3. The compound has the formula C2H6O3S, corresponding to a molecular weight of 110.13 g/mol. Alternative names: Methanesulfonic acid methyl ester and Methyl methanesulphonate.

Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Methyl Methanesulfonate is dispatched with a Certificate of Analysis (COA) to destinations worldwide. This item is currently in stock for prompt dispatch. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl Methanesulfonate
Catalogue No.	VQ-010896
CAS Number	66-27-3
IUPAC name	methyl methanesulfonate
Molecular formula	C₂H₆O₃S
Molecular weight	110.13 g/mol
Exact mass	110.0038
Grade	Reference Standard
InChIKey	MBABOKRGFJTBAE-UHFFFAOYSA-N
SMILES	COS(=O)(=O)C
PubChem CID	4156

Physical properties
Physical form	Other
LogP (XLogP3)	-0.4
H-bond donors / acceptors	0 / 3
TPSA	51.8 Å²
Synonyms	Methanesulfonic acid methyl ester, Methyl methanesulphonate, Methyl methylsulfonate, Methyl mesylate, MMS, Methanesulfonic acid, methyl ester, Methylmethanesulfonate, methylmethane sulfonate, as-Dimethyl sulfite, as-Dimethyl sulphite, Methyl methansulfonate, Methyl methansulphonate

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H340May cause genetic defects
H350May cause cancer
H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child
H373May causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P391, P403 + P233

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 66-27-3

Puriss

Methyl methanesulphonate, 99%

CAS: 66-27-3
Formula: C₂H₆O₃S
MW: 110.13 g/mol

VQ-000893

Frequently asked questions

What is the CAS number of Methyl Methanesulfonate?

The CAS Registry Number of Methyl Methanesulfonate is 66-27-3. It is also known as Methanesulfonic acid methyl ester, Methyl methanesulphonate, Methyl methylsulfonate.

What is the molecular formula and molecular weight of Methyl Methanesulfonate?

Methyl Methanesulfonate has the molecular formula C2H6O3S and a molecular weight of 110.13 g/mol. Its IUPAC name is methyl methanesulfonate.

Which grade and pack sizes of Methyl Methanesulfonate can I order?

We supply Methyl Methanesulfonate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl Methanesulfonate?

Yes. Every lot of Methyl Methanesulfonate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methyl Methanesulfonate be shipped internationally?

Yes. Methyl Methanesulfonate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.