Methanedisulfonic acid dipotassium salt
Methanedisulfonic acid dipotassium salt (CAS: 6291-65-2), with the chemical formula CH2(SO3K)2, is a potassium salt of methanedisulfonic acid. This compound, possessing a molecular weight of 252.35 g/mol, serves as a valuable building block in organic synthesis. Its applications are found in chemical synthesis processes and as a sulfur compound, contributing to the development of new materials and molecules in research settings.
- IUPAC
- Potassium methanedisulfonate

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its structure allows for diverse chemical transformations in research and development.
Sulfur Compound Research
Utilised in studies involving sulfur-containing organic molecules. Its properties can be leveraged for designing novel compounds with specific functionalities.
Building Block for Chemical Synthesis
Acts as a foundational component in the construction of more complex molecular architectures. Suitable for laboratory-scale chemical synthesis.
| Molecular weight | 252.35 |
|---|---|
| Linear formula | CH2(SO3K)2 |
| Assay | ≥99.0% (T) |
| Impurities tested | ≤1% water |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 Methanedisulfonic acid dipotassium salt used for?
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Methanedisulfonic acid dipotassium salt (CAS: 6291-65-2) is primarily used as a building block in chemical synthesis and for research involving sulfur compounds.
What is the CAS number and chemical formula for Methanedisulfonic acid dipotassium salt?
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The CAS number is 6291-65-2 and the chemical formula is CH2(SO3K)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methanedisulfonic acid dipotassium salt with an assay of ≥99.0% (T), with no more than 1% water. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should Methanedisulfonic acid dipotassium salt be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Avoid breathing dust.
Is Methanedisulfonic acid dipotassium salt available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Methanedisulfonic acid dipotassium salt, serving customers worldwide.
How can I request a sample or quote?
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To request a sample or a quote for Methanedisulfonic acid dipotassium salt, please contact our sales team through the website or by phone.
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