Maleic acid dipotassium salt
Maleic acid dipotassium salt (CAS 4151-34-2) is an organic salt with the formula C4H2O4K2 and a molecular weight of 192.25 g/mol. This compound serves as a valuable building block in organic synthesis. It is typically supplied with an assay of approximately 98% (titration), suitable for research and chemical synthesis applications where precise organic intermediates are required.
- IUPAC
- cis-Butenedioic acid,Toxilic acid

Organic Synthesis Intermediate
Maleic acid dipotassium salt functions as a precursor or reagent in various organic synthesis pathways. Its reactive structure allows for incorporation into more complex molecular architectures.
Chemical Research
Used in laboratory settings for the development of new compounds and methodologies. Its defined purity makes it reliable for experimental protocols in academic and industrial research.
Building Block
Acts as a fundamental organic building block, contributing specific chemical functionalities to target molecules. Useful in the creation of fine chemicals and specialty materials.
| Molecular weight | 192.25 |
|---|---|
| Linear formula | C4H2O4K2 |
| Assay | ~98% (titration) |

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) | 26-36 |
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 Maleic acid dipotassium salt primarily used for?
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Maleic acid dipotassium salt is primarily used as a building block and intermediate in organic synthesis and chemical research.
What are the CAS number and chemical formula for Maleic acid dipotassium salt?
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The CAS number is 4151-34-2, and the chemical formula is C4H2O4K2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Maleic acid dipotassium salt with an assay of approximately 98% (titration). We do not represent this product as USP, BP, or EP grade.
How should Maleic acid dipotassium salt be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust, and ensure adequate ventilation. It is labelled with GHS07 warning for skin, eye, and respiratory irritation (H315, H319, H335).
Does TSS export Maleic acid dipotassium salt?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Maleic acid dipotassium salt.
How can I request a quote or sample for Maleic acid dipotassium salt?
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Please contact our sales team directly through our website or by phone to request a quote or sample.
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