Methyl methanesulfonate

C2H6O3SCAS 66-27-3110.13 g/mol

OSOO
Sulfonate ester

Properties

Molecular formula
C2H6O3S
Molar mass
110.13 g/mol
Exact mass
110.0038 Da
Density
1.2943 g/mL (at 20 °C)
Melting point
20 °C
Boiling point
203 °C (at 753 Torr)
Flash point
104.4 °C
Water solubility
≥ 100 g/L (22.8 °C)
logP
-0.41Crippen estimate
Polar surface area
43.4 Ų
H-bond donors / acceptors
0 / 3
Rotatable bonds
1

Hazards

Danger
Acute Toxic (GHS06)Irritant (GHS07)Health Hazard (GHS08)Environmental Hazard (GHS09)

Aggregated from 221 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

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, P405, P501

Identifiers

CAS number
66-27-3
SMILES
COS(C)(=O)=O
InChIKey
MBABOKRGFJTBAE-UHFFFAOYSA-N
InChI
InChI=1S/C2H6O3S/c1-5-6(2,3)4/h1-2H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

6 names
  • Methanesulfonic acid, methyl ester
  • Methyl methanesulphonate
  • MMS
  • Methyl methylsulfonate
  • NSC 50256
  • Methyl mesylate

Work with Methyl methanesulfonate

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Same formula

Elsewhere