97-72-3
| Name | Isobutyric anhydride |
| CAS | 97-72-3 |
| EINECS(EC#) | 202-603-6 |
| Molecular Formula | C8H14O3 |
| MDL Number | MFCD00008913 |
| Molecular Weight | 158.19 |
| MOL File | 97-72-3.mol |
Chemical Properties
| Appearance | clear colorless liquid |
| Melting point | -56 °C (lit.) |
| Boiling point | 182 °C (lit.) |
| density | 0.954 g/mL at 25 °C(lit.) |
| vapor density | 5.45 (vs air) |
| vapor pressure | 10 mm Hg ( 67 °C) |
| refractive index | n |
| Fp | 152 °F |
| storage temp. | Store at 0°C |
| form | Liquid |
| color | Clear colorless |
| explosive limit | 1.09%, 87°F |
| Water Solubility | decomposes |
| Sensitive | Moisture Sensitive |
| BRN | 386267 |
| Dielectric constant | 13.9（20℃） |
| Exposure limits | ACGIH: TWA 10 ppm NIOSH: TWA 10 ppm(30 mg/m3); STEL 15 ppm(45 mg/m3) |
| InChI | 1S/C8H14O3/c1-5(2)7(9)11-8(10)6(3)4/h5-6H,1-4H3 |
| InChIKey | LSACYLWPPQLVSM-UHFFFAOYSA-N |
Safety Data
| Symbol(GHS) |   GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H301+H311-H314 |
| Precautionary statements | P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P361+P364 |
| Hazard Codes | C |
| Risk Statements | |
| Safety Statements | |
| RIDADR | 2922 |
| WGK Germany | 3 |
| RTECS | NQ5550000 |
| F | 13-21 |
| Autoignition Temperature | 624 °F |
| TSCA | Yes |
| REACH Registrations | Active |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29159000 |
| Storage Class | 6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials |
| Hazard Classifications | Acute Tox. 3 Dermal Acute Tox. 3 Oral Skin Corr. 1B |
| Hazardous Substances Data | 97-72-3(Hazardous Substances Data) |
| Toxicity |