Maleic Acid – Industrial Organic Acid for Chemical Manufacturing and Specialty Applications
Introduction
Maleic Acid is an organic dicarboxylic acid used in chemical synthesis, resin production, specialty formulations, and various industrial processes. It is the cis-isomer of butenedioic acid and contains two carboxylic acid groups, making it useful as a chemical intermediate in selected manufacturing applications.
Maleic acid is typically supplied as a white crystalline solid. Its reactivity and functional groups make it suitable for use in chemical processing and the preparation of specialized compounds. The appropriate grade should be selected according to the purity, physical properties, and requirements of the intended application.
Industrial Applications
Maleic acid is used in several industrial and chemical manufacturing sectors.
- Chemical Synthesis: Serves as a starting material or intermediate in selected organic synthesis processes.
- Resin Manufacturing: Used in certain resin and polymer-related formulations, depending on the required product chemistry.
- Specialty Chemicals: Supports the production of selected chemical intermediates and specialty formulations.
- Laboratory Applications: Used as a chemical reagent for research, analysis, and educational purposes.
- Industrial Formulations: Incorporated into specific formulations where its acidity and chemical reactivity are required.
- Chemical Research and Development: Used in studies involving dicarboxylic acids and unsaturated organic compounds.
Key Benefits
- Versatile Chemical Intermediate: Suitable for a range of synthesis and specialty chemical applications.
- Two Carboxylic Acid Groups: Provides functional groups that participate in relevant chemical reactions.
- Defined Chemical Identity: Offers consistent reference properties when supplied to an appropriate specification.
- Crystalline Solid Form: Supports convenient handling and storage when suitable precautions are followed.
- Broad Research Utility: Applicable in laboratory research and chemical development.
- Grade Selection Flexibility: Different specifications may be available depending on supplier and intended use.
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Maleic Acid |
| Chemical Name | (Z)-But-2-enedioic Acid |
| Chemical Formula | C₄H₄O₄ |
| CAS Number | 110-16-7 |
| Molecular Weight | 116.07 g/mol |
| Appearance | White crystalline solid |
| Chemical Classification | Unsaturated dicarboxylic acid |
| Water Solubility | Soluble in water; solubility depends on temperature |
| Melting Point | Approximately 135°C, with decomposition possible |
| Primary Function | Chemical intermediate and organic acid reagent |
| Main Applications | Chemical synthesis, specialty chemicals, resin-related processes, laboratory research |
| Packaging | Supplier-dependent bags or other suitable containers |
| Grade and Purity | As specified in the supplier's Technical Data Sheet (TDS) and Certificate of Analysis (COA) |
Storage and Handling
Maleic acid can cause skin irritation and serious eye irritation. Appropriate handling practices should be followed to minimize exposure to dust and direct contact.
- Wear suitable protective gloves, safety glasses, and protective clothing.
- Avoid generating or inhaling dust; use suitable ventilation during handling.
- Store in a tightly closed, clearly labeled container in a cool, dry, well-ventilated area.
- Protect the material from moisture and contamination.
- Keep away from incompatible substances as specified in the supplier's Safety Data Sheet (SDS).
- Follow local requirements for spill management, disposal, and workplace chemical safety.
Always consult the current SDS for detailed hazard classifications, first-aid guidance, and handling requirements for the specific product grade.
Quality and Supply
Maleic acid should be purchased according to the purity, impurity limits, packaging requirements, and intended industrial or laboratory application. Specifications can vary by manufacturer and grade.
Before use, review the supplier's TDS and SDS. Where applicable, request a batch-specific COA to verify the product's identity and conformity with the agreed specification. Packaging sizes and supply quantities depend on the supplier.
Conclusion
Maleic acid is a useful organic acid and chemical intermediate for selected synthesis, specialty chemical, resin-related, and laboratory applications. Its unsaturated structure and two carboxylic acid groups support its use in a variety of chemical processes. Selecting the appropriate grade and following recommended storage and handling procedures help ensure consistent performance and safe use.
