98527-29-8

Upstream product

• 34557-54-5 methane 
• 624-92-0 Dimethyldisulphide 
• 16156-55-1 3-methyl-1-butyl methanesulfonate 
• 1001-62-3 bis(methanesulfonyl)peroxide 
• 110-82-7 cyclohexane 
• 16156-57-3 cyclopentyl methanesulfonate 
• 31616-68-9 2-adamantyl methanesulphonate 
• 67764-23-2 3,3-dimethylbutan-2-yl methanesulfonate 
• 69436-45-9 3,3-dimethylbutyl methanesulphonate 
• 66-27-3 Methyl methanesulfonate 
• 108-90-7 chlorobenzene 
• 75-05-8 acetonitrile 
• 2404-05-9 O,O-diethyl S-methyl phosphorothioate 
• 78-92-2 iso-butanol 

Downstream Products

• 16156-54-0 sec-butyl methanesulfonate 
• 113391-96-1 trans-2-hydroxycyclohexyl methanesulfonate 
• 68287-46-7 1-(1,1-dioxo-1H-1λ⁶-benzo[d]isothiazol-3-ylamino)-2-methanesulfonyloxymethyl-benzene 
• 13308-13-9 1,4-Di-O-methansulfonylerythrit 
• 6462-27-7 1-Methansulfonyl-3,4,5-trimethyl-benzol 
• 117087-84-0 Gly-NHCH₂CN*MeSO₃H 
• 128739-20-8 1-(4-Chloro-phenyl)-2-(methyl-pyridin-2-ylmethyl-amino)-ethanol; compound with methanesulfonic acid 
• 98819-77-3 (+)-(2S,3S)-2-<α-(2-ethoxyphenoxy)benzyl>morpholine methanesulfonate 
• 93130-87-1 phenyl α-methyl-m-aminocinnamate methanesulfonate 
• 93130-93-9 phenyl α-methyl-p-aminocinnamate methanesulfonate 
• 93130-95-1 phenyl α-ethyl-p-aminocinnamate methanesulfonate 
• 93130-61-1 α-ethyl-p-guanidinocinnamic acid methanesulfonate 
• 84674-94-2 C₁₁H₁₇O₃PS 
• 82956-71-6 (E)-3-Phenyl-acrylic acid 6-carbamimidoyl-naphthalen-2-yl ester; compound with methanesulfonic acid 

Relevant academic research and scientific papers

Direct sulfonation of methane at low pressure to methanesulfonic acid in the presence of potassium peroxydiphosphate as the initiator

A high-yield, direct sulfonation of methane with SO3 to methanesulfonic acid (MSA) is effected in sulfuric acid using potassium peroxydiphosphate (K4P2O8) as the initiator. The influences of initiator concentration, temperature, CH4 pressure, the initial concentration of SO3, and solvent acidity were investigated. A mechanism is proposed to explain the observed effects of reaction conditions on the conversion of SO3 to MSA.

PROCESS FOR MANUFACTURING ALKANESULFONIC ACIDS

The present invention relates to an improved process for manufacturing of alkanesulfonic acids.

AgII-Mediated Electrocatalytic Ambient CH4 Functionalization Inspired by HSAB Theory

Although most class (b) transition metals have been studied in regard to CH4 activation, divalent silver (AgII), possibly owing to its reactive nature, is the only class (b) high-valent transition metal center that is not yet reported to exhibit reactivities towards CH4 activation. We now report that electrochemically generated AgII metalloradical readily functionalizes CH4 into methyl bisulfate (CH3OSO3H) at ambient conditions in 98 % H2SO4. Mechanistic investigation experimentally unveils a low activation energy of 13.1 kcal mol?1, a high pseudo-first-order rate constant of CH4 activation up to 2.8×103 h?1 at room temperature and a CH4 pressure of 85 psi, and two competing reaction pathways preferable towards CH4 activation over solvent oxidation. Reaction kinetic data suggest a Faradaic efficiency exceeding 99 % beyond 180 psi CH4 at room temperature for potential chemical production from widely distributed natural gas resources with minimal infrastructure reliance.

PROCESS FOR THE PRODUCTION OF ALKANESULFONIC ACIDS

A process for the manufacturing of alkanesulfonic acid by reaction of an alkane with an anhydride in the presence of sulfuric acid and a starter at ambient temperature or higher and under pressure.

METHOD FOR THE PRODUCTION OF ALKANE SULFONIC ACID AT SUPERACIDIC CONDITIONS

The present invention refers to a method for the production of alkane sulfonic acid, in which SO3 and an alkane are contacted with each other in the presence of a solvent, said solvent does constitute a superacid and the combination of said solvent with one or more of the reactants also gives rise to a superacid.

PROCESSES AND SYSTEMS FOR RECOVERING METHANESULFONIC ACID IN PURIFIED FORM

Aspects of the invention relate to systems and processes for recovering methanesulfonic acid, in a purified form, from a composition additionally including sulfur trioxide. In accordance with one aspect, the invention provides a process that includes separating a feed stream comprised of hydrocarbons, methanesulfonic acid, sulfur trioxide, and optionally sulfuric acid to produce a light stream comprised of hydrocarbons and a heavy stream comprised of methanesulfonic acid and sulfur trioxide; contacting (e.g., by mixing) the heavy stream with a reactive additive capable of reacting with sulfur trioxide, under conditions effective to cause reaction of the reactive additive with the sulfur trioxide to produce a heavy reaction product having a boiling point higher than the boiling point of methanesulfonic acid; and separating the heavy stream using a distillation column to produce a distillate stream consisting essentially of methanesulfonic acid and a bottoms stream comprising the heavy reaction product.

Preparation method of high-purity methanesulfonic acid

The invention relates to a preparation method of high-purity methanesulfonic acid. The method comprises the following steps: adding sodium sulfite, an organic solvent and a catalyst into a mixed reactor, adding a pH regulator to regulate the pH value of the system to 3-6, uniformly stirring, and slowly dropwise adding a methylation reagent; after dropwise adding the methylation reagent, implementing reaction at 10-40 DEG C for 5-8 hours, and then stopping the reaction; extracting the organic solvent under reduced pressure, adding a small amount of water, stirring for 5-10 minutes, and performing ion exchange through an exchange column filled with strongly acidic cationic resin to obtain a crude product; and removing water from the obtained crude product under 0.098 MPa, and taking a fraction at 180-200 DEG C to obtain the high-purity methanesulfonic acid. The preparation method provided by the invention is carried out under an anhydrous condition, so that decomposition of a methylationreagent or incompatibility with a reaction system is avoided. The method is simple in process, high in yield, low in cost and suitable for industrial large-scale production.

Preparation method of methanesulfonic acid (by machine translation)

The invention discloses a preparation method of methanesulfonic acid. The preparation method comprises the following steps: reacting sodium methylsulfonate and an acidic reagent in water to obtain the methanesulfonic acid. The acidic reagent is one or more of hydrochloric acid solution, hydrogen chloride gas, thionyl chloride and sulfuric acid. The acid reagent can be dissolved in water or can react with water to form H. + H-H. + The initial concentration in the reaction system was ≥ 3.76 μM/L. H+ The molar ratio of sodium to sodium methanesulfonate ≥ 1.5: 1. The method can obtain methanesulfonic acid with high yield, and has good economic benefits. (by machine translation)

PROCESS FOR PROVIDING ANHYDROUS ALKANE SULFONIC ACIDS IN PURIFIED FORM

The present application refers to a process for providing anhydrous alkane sulfonic acid in purified form.

REGULATOR FOR THE PRODUCTION OF ALKANE SULFONIC ACIDS

The present invention relates to a process for the production of alkane sulfonic acid with a regulator as well as two specific compounds which can be used as regulator in a respective process.