33225-51-3
| Name | MALEIC ANHYDRIDE |
| CAS | 33225-51-3 |
| EINECS(EC#) | 203-571-6 |
| Molecular Formula | C4H2O3 |
| MDL Number | MFCD00005518 |
| Molecular Weight | 98.06 |
| MOL File | 33225-51-3.mol |
Chemical Properties
| Melting point | 51-56 °C(lit.) |
| Boiling point | 200 °C(lit.) |
| density | 1.48 |
| vapor density | 3.4 (vs air) |
| vapor pressure | 0.16 mm Hg ( 20 °C) |
| Fp | 218 °F |
| form | powder |
| InChI | 1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H/i1D,2D |
| InChIKey | FPYJFEHAWHCUMM-QDNHWIQGSA-N |
| SMILES | [2H]C1=C([2H])C(=O)OC1=O |
| CAS DataBase Reference | 33225-51-3(CAS DataBase Reference) |
| CAS Number Unlabeled | 108-31-6 |
Safety Data
| Hazard Codes | C |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 2215 8/PG 3 |
| WGK Germany | 1 |
| RTECS | ON3675000 |
| F | 21 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| Hazard Classifications | Acute Tox. 4 Oral Eye Dam. 1 Resp. Sens. 1 Skin Corr. 1B Skin Sens. 1A STOT RE 1 Inhalation |