Methanesulfinic acid

Base Information

• Chemical Name: Methanesulfinic acid
• CAS No.: 17696-73-0
• Molecular Formula: CH4 O2 S
• Molecular Weight: 80.1076
• European Community (EC) Number: 859-138-2
• DSSTox Substance ID: DTXSID50170227,DTXSID80902396
• Nikkaji Number: J132.790I
• Wikidata: Q83040122
• Mol file: 17696-73-0.mol

Synonyms:methane sulfinic acid;methanesulfinic acid;methanesulfinic acid, sodium salt;MSA acid

Chemical Property of Methanesulfinic acid

Chemical Property:

• Melting Point: -60℃
• Boiling Point: 256.4°Cat760mmHg
• PKA: 3.13±0.10(Predicted)
• Flash Point: 108.9°C
• PSA: 62.75000
• Density: 1.539g/cm³
• LogP: 0.58480
• XLogP3: -0.5
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 79.99320054
• Heavy Atom Count: 4
• Complexity: 33

Purity/Quality:

Safty Information:

• Pictogram(s): R34:
• Hazard Codes: C:Corrosive
• Statements: R34:
• Safety Statements: S1/2:; S26:; S36:; S45:

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CS(=O)O

Technology Process of Methanesulfinic acid

There total 34 articles about Methanesulfinic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

(2-(methylsulfonyl)ethyl)benzene (6079-56-7) → styrene (100-42-5,25038-60-2,25247-68-1,28213-80-1,28325-75-9,79637-11-9,9003-53-6) + methylsulfinic acid (17696-73-0)

Guidance literature:

at 450 - 500 ℃; Thermodynamic data; Activation energy;

DOI:10.1021/ja994150p

Reference yield:

4-tolyl methyl disulfone → p-toluene sulfinic acid (536-57-2) + methylsulfinic acid (17696-73-0)

Guidance literature:

With ethanol; UV-irradiation; Photolysis;

DOI:10.1016/j.jphotochem.2012.02.005

Reference yield:

dimethyl sulfoxide (67-68-5,8070-53-9) → formaldehyd (50-00-0,30525-89-4,61233-19-0) + formic acid (64-18-6) + methylsulfinic acid (17696-73-0)

Guidance literature:

With ethylenediaminetetraacetic acid; oxygen; iron(II) sulfate; In perchloric acid; tert-butyl alcohol; for 0.25h; pH=2.3; Further Variations:; pH-values; Solvents; Product distribution;

DOI:10.1039/a904739e

upstream raw materials:

methanesulfonamide

benzene diazonium chloride

1-methyl-4-nitrosobenzene

4-hydroxy-2-sulfolene

Downstream raw materials:

1-(methylsulfonyl)-2-(4-bromophenyl)diazene

1-(methylsulfonyl)-2-(4-nitrophenyl)diazene

1-(4-chlorophenyl)-2-(methylsulfonyl)diazene

1-(methylsulfonyl)-2-(2-nitrophenyl)diazene

Refernces

• 1、 Brower,Douglass. "-". . p. 5787. Retrieved 1951.
• 2、 Richeson,Mulder,Bowry,Ingold. "The complex chemistry of peroxynitrite decomposition: New insights". . p. 7211 - 7219. Retrieved 1998.
• 3、 Bai, Jianfei,Zambron, Bartosz K.,Vogel, Pierre. "Amides in one pot from Carboxylic Acids and Amines via Sulfinylamides". . p. 604 - 607. Retrieved 2014/04/03.