Potassium methyl sulfate
Potassium methyl sulfate (CAS: 562-54-9, Formula: CH3OSO3K, MW: 150.20) is an organic sulfate compound. It serves as a valuable reagent in organic synthesis, particularly as a methylating agent. Its chemical structure makes it useful in the preparation of various organic compounds. Tech Serve Solutions supplies this chemical for research and development purposes, adhering to stringent quality standards.
- IUPAC
- Methyl sulfate potassium salt
- Synonyms
- Methyl sulfate potassium salt

Organic Synthesis Reagent
Potassium methyl sulfate is employed as a methylating agent in organic synthesis. It facilitates the introduction of methyl groups into various organic substrates, enabling the construction of more complex molecules.
Intermediate in Chemical Manufacturing
This compound can act as an intermediate in the production of other specialty chemicals. Its reactive sulfate group allows for further functionalisation in multi-step synthetic pathways.
Research and Development
Used in laboratory settings for exploring new synthetic routes and developing novel chemical entities. Its predictable reactivity makes it a useful tool for chemists in academic and industrial research.
| Molecular weight | 150.20 |
|---|---|
| Linear formula | CH3OSO3K |
| Assay | ≥95.0% (T) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Potassium methyl sulfate used for?
+
Potassium methyl sulfate (CAS: 562-54-9) is primarily used as a methylating agent in organic synthesis and as an intermediate in chemical manufacturing. It is also utilised in research and development.
What are the CAS number and formula for Potassium methyl sulfate?
+
The CAS number for Potassium methyl sulfate is 562-54-9, and its linear formula is CH3OSO3K.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Potassium methyl sulfate with an assay of ≥95.0% (T). This product is typically supplied for technical or research purposes and is not represented as USP, BP, EP, or pharmaceutical grade unless explicitly stated.
How should Potassium methyl sulfate be handled safely?
+
Handle Potassium methyl sulfate with appropriate personal protective equipment, including eyeshields and gloves. A respirator filter of type N95 (US) or P1 (EN143) is recommended. It carries a WGK Germany rating of 3, indicating it is hazardous to water.
Is Potassium methyl sulfate a controlled substance?
+
The provided data does not indicate that Potassium methyl sulfate is a controlled substance.
How is Potassium methyl sulfate packed and shipped?
+
Potassium methyl sulfate is carefully packed according to international shipping regulations for chemicals. TSS exports globally, ensuring compliance with all relevant transport and customs requirements.
How can I request a quote or sample?
+
To request a quote or sample of Potassium methyl sulfate, please contact the TSS sales team via our website or direct inquiry channels. Our team will promptly assist you with your requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis