| Product Name | Isobutyric anhydride |
| CAS No. | 97-72-3 |
| Synonyms | 2-Methylpropionic anhydride; 2-methylpropanoic anhydride; ANIB |
| InChI | InChI=1/C8H14O3/c1-5(2)7(9)11-8(10)6(3)4/h5-6H,1-4H3 |
| Molecular Formula | C8H14O3 |
| Molecular Weight | 158.195 |
| Density | 0.976g/cm3 |
| Melting point | -53℃ |
| Boiling point | 183.6°C at 760 mmHg |
| Flash point | 59.4°C |
| Water solubility | decomposes |
| Refractive index | 1.418 |
| Hazard Symbols |  C:Corrosive; |
| Risk Codes | R21/22:; R34:; |
| Safety | S26:; S36/37/39:; S45:; |
97-72-3 isobutyric anhydride
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