Maleic Anhydride(MA) CAS 108-31-6
As a leading international chemical supplier, we provide commercial-grade Maleic Anhydride (MA) engineered to meet the stringent raw material requirements of modern polymer and resin synthesis industries. Characterized by its exceptional chemical stability and highly controlled purity profiles, our Maleic Anhydride serves as a foundational monomer for global manufacturers executing large-scale chemical transformations. Supported by comprehensive supply chain networks and strict quality assurance protocols, we ensure continuous, reliable product deployment to global ports.
- Highly Reactive Intermediate: Featuring a unique, strained cyclic anhydride ring structure, MA exhibits exceptional reactivity, making it an ideal choice for diverse chemical syntheses, including esterification, addition, and copolymerization reactions.
- Polymer Performance Enhancement: When integrated into polymer chains, Maleic Anhydride significantly optimizes the performance profiles of end products—maximizing thermal stability, enhancing cross-linking adhesion, and reinforcing overall mechanical tensile strength.
- Extensive Industrial Versatility: MA serves as a critical chemical building block whose downstream derivatives are widely utilized across global growth sectors, such as automotive manufacturing, modern construction, agrochemicals, pharmaceuticals, and surfactant production.
Maleic Anhydride Description
NAME: Maleic anhydride (MA)
Synonyms: Furan-2,5-dione / Maleic Acid Anhydride / Toxilic anhydride / cis-Butenedioic anhydride / 2,5-Furanedione
Molecular Formula: C4H2O3
Molecular Weight: 98.06
CAS NO.: 108-31-6
Density: 1.5±0.1 g/cm3
Boiling point: 202.0±0.0 °C at 760 mmHg
Melting point: 51-56 °C(lit.)
Flashing point: 103.3±0.0 °C
Appearance: White crystalline flakes / briquettes
Solubility: It has high solubility and can be dissolved in many organic solvents, such as acetone, benzene, chloroform, etc.
Package: Standard delivery is available in moisture-proof 25kg woven bags, 500kg/1000kg jumbo bulk bags, or customized industrial packaging optimized for container shipping safety.
Storage: Store in a cool, dry, well-ventilated place. Handle with care and avoid rain. The storage period is one year from the date of production. Keep away from fire and heat sources. Keep the container sealed. Store separately from oxidants, reducing agents, acids, and edible chemicals. Do not store together. Fire-fighting equipment of appropriate types and quantities should be equipped. The storage area should be equipped with appropriate materials to control leakage.
Safety protection: The dust and vapor are irritating. Workers should take protective measures and work under good ventilation conditions.
About Us: With over many years as a certified Maleic anhydride & MA manufacturer, we combine innovation with stringent production standards to deliver high-performance product.
Maleic Acid Anhydride Technical
If you need Maleic anhydride (MA) MSDS & COA, please contact us.
| Item | Index |
| Appearance | White crystalline flakes / briquettes |
| Purity(by MA) WT% | 99.5 Min |
| Molten Colour APHA | 25 Max |
| Ash WT% | 0.005 Max |
| Iron PPT | 3 Max |
As a certified Maleic anhydride & MA factory, we adhere to strict quality protocols, with every batch undergoing rigorous testing to ensure consistent efficacy and safety.
Maleic Anhydride Applications
- Unsaturated Polyester Resin (UPR) Production: Maleic Anhydride is a foundational raw material in the commercial synthesis of unsaturated polyester resins. These high-performance resins serve as the underlying matrix for fiberglass-reinforced plastics (FRP), widely fabricated into automotive body panels, marine watercraft hulls, corrosion-resistant chemical storage tanks, wind turbine blades, and heavy-duty piping networks.
- Surface Coatings and Modifiers: In the paint and coatings industry, MA is extensively used to modify alkyd resins and produce specialized film-forming agents. It enhances curing speeds, improves resistance to environmental degradation, and elevates the surface hardness of industrial lacquers and architectural finishes.
- Synthesis of High-Value Chemical Derivatives: MA acts as a crucial intermediate in manufacturing lubricating oil additives (such as succinimides dispersants), agricultural pesticides, fumaric acid, and specialized food-grade acidulants. Furthermore, its advanced hydrogenation pipeline yields premium industrial solvents and engineering plastic precursors, including succinic anhydride, 1,4-butanediol (BDO), γ-butyrolactone (GBL), and tetrahydrofuran (THF).
Frequently Asked Questions
Q1: How does Maleic Anhydride impact the performance of Unsaturated Polyester Resins (UPR)?
A: MA provides the essential double bonds along the polymer backbone required for subsequent cross-linking reactions. It imparts excellent rigidity, thermal resistance, and mechanical strength to the cured UPR matrix, making it indispensable for structural composites.
Q2: Can you provide comprehensive regulatory documentation like REACH, MSDS, and COA?
A: Yes. Every commercial batch of our Maleic Anhydride undergoes rigorous laboratory analysis and is accompanied by a formal Certificate of Analysis (COA) and an updated Material Safety Data Sheet (MSDS). We also assist with global compliance requirements to ensure smooth customs clearance in your target markets.
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