Potassium methyl sulfate

Base Information

• Chemical Name: Potassium methyl sulfate
• CAS No.: 562-54-9
• Molecular Formula: CH3KO4S
• Molecular Weight: 150.197
• Hs Code.: 29209010
• European Community (EC) Number: 209-231-3
• UNII: 9B0JF05O1C
• DSSTox Substance ID: DTXSID7060334
• Nikkaji Number: J188.423I
• Wikidata: Q27272286
• Mol file: 562-54-9.mol

Synonyms:Methylpotassium sulfate (6CI,7CI);Sulfuric acid, monomethyl ester, potassium salt(8CI,9CI);Potassium methyl sulfate;Potassium monomethylsulfate;

Chemical Property of Potassium methyl sulfate

Chemical Property:

• Appearance/Colour: white crystalline powder
• Melting Point: 212-217 ºC
• PSA: 74.81000
• Density: 1.602g/cm3
• LogP: 0.17380
• Storage Temp.: Hygroscopic, Refrigerator, under inert atmosphere
• Solubility.: Methanol (Slightly), Water (Slightly)
• Water Solubility.: Soluble
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 149.93891123
• Heavy Atom Count: 7
• Complexity: 108

Purity/Quality:

99%, ^*data from raw suppliers

Methylsulfuric Acid Potassium Salt ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T
• Hazard Codes: T
• Statements: 45-36/37/38-20/22
• Safety Statements: 53-45-36/37/39-26

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COS(=O)(=O)[O-].[K+]
• Uses: Methylsulfuric acid potassium salt (cas# 562-54-9) is used as a multifunctional printing and dyeing scouring agent.

Technology Process of Potassium methyl sulfate

There total 9 articles about Potassium methyl sulfate 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: 63.0%

dimethyl sulfate (77-78-1) → potassium methyl sulfate (562-54-9)

Guidance literature:

With potassium acetate; In methanol; at 5 - 50 ℃; for 5.16h;

Reference yield:

benzoic acid methyl ester (93-58-3,5705-52-2,80226-58-0) → potassium methyl sulfate (562-54-9) + Potassium benzoate (582-25-2)

Guidance literature:

With sulfur trioxide; water; Yield given. Multistep reaction. Yields of byproduct given; 1.) CH₂Cl₂, 22 deg C, 1150 min, 2.) 70-80 deg C, 30 min;

DOI:10.1002/recl.19941130906

Reference yield:

benzoic acid methyl ester (93-58-3,5705-52-2,80226-58-0) → potassium methyl sulfate (562-54-9) + dipotassium 3-sulfobenzoate

Guidance literature:

With sulfur trioxide; water; Multistep reaction. Title compound not separated from byproducts; 1.) CH₂Cl₂, 22 deg C, 1150 min, 2.) 70 - 80 deg C, 30 min;

DOI:10.1002/recl.19941130906

upstream raw materials:

dimethyl sulfate

benzoic acid methyl ester

methyl 1-naphthoate

methyl naphthalene-2-carboxylate

Downstream raw materials:

N-methyl-acetamide

3,4-dimethylanisole

methyl isocyanate

benzoic acid methyl ester

Refernces

• 1、 Cerfontain, Hans,Zou, Yousi,Bakker, Bert H.. "The positional reactivity order in the sulfur trioxide sulfonation of benzene and naphtalene derivatives containing an electron-withdrawing substituent". . p. 403 - 410. Retrieved 2007/10/02.