Anidride maleica
Maleic anhydride · Malein angidrid · أنهيدريد المالييك · Malein anhidridi · Maleinsäureanhydrid · Μηλεϊνικός ανυδρίτης · Anhídrido maleico · مالئیک انیدرید · Anhydride maléique · मेलिक एनहाइड्राइड · Maleat anhidrida · 無水マレイン酸
| CAS | 108-31-6 |
|---|---|
| EC | 203-571-6 |
| UN | 2215 |
| Formula | C4H2O3 |
| Massa molare | 98,06 g/mol |
| LIE (LEL) | 1,4 % vol |
| LSE (UEL) | 7,1 % vol |
| Punto di infiammabilità | 99,7 °C |
| Temperatura di autoaccensione | 477 °C |
| Classe di temperatura | T1 |
| Densità relativa del gas o del vapore (aria = 1) | 3,39 |
| GHS | Pericolo · H302, H314, H317, H318, H334, H372 |
Maleic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. It has a role as an allergen. Maleic anhydride appears as colorless crystalline needles, flakes, pellets, rods, briquettes, lumps or a fused mass. Melts at 113 °F. Shipped both as a solid and in the molten state.