Dipotassium methanedisulfonate

Base Information

• Chemical Name: Dipotassium methanedisulfonate
• CAS No.: 6291-65-2
• Molecular Formula: CH2K2O6S2
• Molecular Weight: 252.352
• European Community (EC) Number: 228-543-0
• UNII: 93NQD5PEW6
• DSSTox Substance ID: DTXSID301335782
• Nikkaji Number: J206.858C
• Mol file: 6291-65-2.mol

Synonyms:Dipotassium methanedisulfonate;6291-65-2;Potassium methanedisulfonate;Methanedisulfonic acid dipotassium salt;Dipotassium methanedisulphonate;Dipotassium methionate;Methanedisulfonic acid, dipotassium salt;93NQD5PEW6;NSC-8541;EINECS 228-543-0;Potassiummethanedisulfonate;Methanedisulfonic acid,potassium salt (1:2);Potassium Methane Disulfonate;potassium methylenedisulphonate;CH4O6S2.2K;SCHEMBL1162197;DTXSID301335782;C-H4-O6-S2.2K;BCP12941;MFCD06411713;Methane Disulfonic Acid Potassium Salt;METHIONIC ACID DIPOTASSIUM SALT;CS-0236424;FT-0751569;Methanedisulfonic acid potassium salt (1:2);EN300-1709102;Methanedisulfonic acid dipotassium salt, >=99.0% (T)

Chemical Property of Dipotassium methanedisulfonate

Chemical Property:

• PSA: 131.16000
• Density: 1.622[at 20℃]
• LogP: 0.19590
• Water Solubility.: 34.438g/L at 20℃
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 0
• Exact Mass: 251.8566931
• Heavy Atom Count: 11
• Complexity: 199

Purity/Quality:

99% ^*data from raw suppliers

Methanedisulfonic acid dipotassium salt ≥99.0% (T) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C(S(=O)(=O)[O-])S(=O)(=O)[O-].[K+].[K+]

Technology Process of Dipotassium methanedisulfonate

There total 4 articles about Dipotassium methanedisulfonate 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: 85.0%

potassium sulfite + dichloromethane (75-09-2) → methanedisulfonic acid dipotassium salt (6291-65-2)

Guidance literature:

150-160°C, in autoclave, 2 h, molar ratio 2:1;

Reference yield: 81.9%

1,1-dibromomethane (74-95-3) → methanedisulfonic acid dipotassium salt (6291-65-2)

Guidance literature:

With potassium sulfite; tetrabutylammomium bromide; potassium iodide; In water; at 70 - 90 ℃; for 48 - 96h; under 755.326 - 756.076 Torr; Product distribution / selectivity;

Reference yield:

dichloromethane (75-09-2) → methanedisulfonic acid dipotassium salt (6291-65-2)

Guidance literature:

With water; at 150 - 160 ℃; im Autoklaven;

upstream raw materials:

dichloromethane

1,1-dibromomethane

chloroform

Downstream raw materials:

methylene methane disulfonate

[CH₂(SO₃)2Ag₂(PPh₃)3]

[CH₂(SO₃)2Ag₂(PPh₃)2]

Refernces