Chemical Product Library / Reference
Maleic anhydride
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Maleic anhydride |
|---|---|
| English synonyms | cis-Butenedioic anhydride;2,5-Furandione;MA |
| Chinese name | 马来酸酐 |
| Chinese synonyms | 顺丁烯二酸酐;顺酐;失水苹果酸酐;2,5-呋喃二酮 |
| Chemical category | Organic Acids |
| CAS No. | 108-31-6 |
| EINECS No. | 203-571-6 |
| Molecular formula | C4H2O3 |
| Molecular weight | 98.06 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Purity ≥99.5%; water ≤0.1%; maleic acid ≤0.5%; color (molten, Pt-Co) ≤30
Performance characteristics
Colorless crystals with a strong irritating odor, sublimes readily, soluble in water, alcohol, ether
Application scenarios
Unsaturated polyester resin, alkyd resin, pesticides, pharmaceuticals, food additives, water treatment agents