| Formula / Notation | C4H2O3 |
|---|---|
| CAS Number | 108-31-6 |
| Molecular Weight | 98.06 |
| Melting Point | 127 °F (NTP, 1992) |
| Boiling Point | 387 to 390 °F at 760 mmHg (NTP, 1992) |
| Density | 1.43 at 59 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | Soluble; decomposes in hot solvent (NTP, 1992) |
| Appearance | 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. Vapors, fumes... |
| Also Known As | furan-2,5-dione; 2,5-Furandione; 108-31-6; Toxilic anhydride; Maleic acid anhydride; cis-Butenedioic anhydride; Dihydro-2,5-dioxofuran; Maleinanhydrid; RCRA waste number U147; 2,5-Furanedione |
| Category | Organic Compounds |
What is Maleic anhydride?
Maleic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. It has a role as an allergen. It is a member of furans and a cyclic dicarboxylic anhydride.
Formula & Notation
IUPAC Name: furan-2,5-dione
Other Names / Synonyms: furan-2,5-dione; 2,5-Furandione; 108-31-6; Toxilic anhydride; Maleic acid anhydride; cis-Butenedioic anhydride; Dihydro-2,5-dioxofuran; Maleinanhydrid; RCRA waste number U147; 2,5-Furanedione
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 127 °F (NTP, 1992) |
| Boiling Point | 387 to 390 °F at 760 mmHg (NTP, 1992) |
| Density | 1.43 at 59 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 98.06 |
| Solubility | Soluble; decomposes in hot solvent (NTP, 1992) |
| Appearance | 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. Vapors, fumes... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Maleic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. It has a role as an allergen. It is a member of furans and a cyclic dicarboxylic anhydride.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for Maleic anhydride is: C4H2O3