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Methanesulfonic acid (MsOH, MSA) or methanesulphonic acid (in British English) is an organosulfuric, colorless liquid with the molecular formula CH 3 SO 3 H and structure H 3 C−S(=O) 2 −OH. It is the simplest of the alkylsulfonic acids ( R−S(=O) 2 −OH ).
Ethyl methanesulfonate (EMS) is an organosulfur compound with the formula CH 3 SO 3 C 2 H 5. It is the ethyl ester of methanesulfonic acid. A colorless liquid, it is classified as an alkylating agent. EMS is the most commonly used chemical mutagen in experimental genetics.
Mesylate anion (structural formula) Mesylate anion (ball-and-stick model). In organosulfur chemistry, a mesylate is any salt or ester of methanesulfonic acid (CH 3 SO 3 H).In salts, the mesylate is present as the CH 3 SO − 3 anion.
General structure of a sulfonic acid with the functional group indicated in blue. In organic chemistry, sulfonic acid (or sulphonic acid) refers to a member of the class of organosulfur compounds with the general formula R−S(=O) 2 −OH, where R is an organic alkyl or aryl group and the S(=O) 2 (OH) group a sulfonyl hydroxide. [1]
Methanesulfonyl azide melts at 18 °C and decomposes from 120 °C. [1] Like many other azides, it is explosive. [3] At low temperature, methanesulfonyl azide crystallizes in the triclinic crystal system in the space group P1 with the lattice parameters a = 5.6240 Å; b = 5.9498 Å, c = 7.6329 Å, α = 72.216°, β = 70.897°, and γ = 88.601°, and two molecules per unit cell.
Methanesulfonic anhydride (Ms 2 O) is the acid anhydride of methanesulfonic acid. Like methanesulfonyl chloride (MsCl), it may be used to generate mesylates (methanesulfonyl esters). Preparation & purification
Methanesulfonic acid methyl ester Methyl mesylate MMS. Identifiers ... Chemical formula. C 2 H 6 O 3 S Molar mass: 110.13 g/mol Density: 1.3 g/mL at 25 °C Boiling point:
Methanesulfonyl chloride (mesyl chloride) is an organosulfur compound with the formula CH 3 SO 2 Cl. Using the organic pseudoelement symbol Ms for the methanesulfonyl (or mesyl) group CH 3 SO 2 –, it is frequently abbreviated MsCl in reaction schemes or equations. It is a colourless liquid that dissolves in polar organic solvents but is ...