Butyric anhydride
SIAL/19270 - purum, ≥97.0% (NT)
Synonym: Butanoic anhydride
CAS Number: 106-31-0
Empirical Formula (Hill Notation): C8H14O3
Molecular Weight: 158.19
EC Number: 203-383-4
MDL Number: MFCD00009389
Linear Formula: (CH3CH2CH2CO)2O
Product Type: Chemical
| assay | ≥97.0% (NT) |
| autoignition temp. | 535 °F |
| bp | 198-199 °C (lit.) |
| density | 0.967 g/mL at 25 °C (lit.) |
| expl. lim. | 1.1 %, 104 °F |
| 7.6 %, 144 °F | |
| grade | purum |
| InChI | 1S/C8H14O3/c1-3-5-7(9)11- |
| InChI key | YHASWHZGWUONAO-UHFFFAOYSA |
| mp | −75-−66 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| n |
|
| SMILES string | CCCC(=O)OC(=O)CCC |
| solubility | alcohol: soluble (with decomposition)(lit.) |
| diethyl ether: soluble(lit.) | |
| water: soluble (with decomposition)(lit.) | |
| vapor density | 5.45 (vs air) |
| vapor pressure | 10 mmHg ( 79.5 °C) |
| Application: | Butyric anhydride was used in the synthesis of: • dibutyrylchitin, a lipophilic chitin diester • N-(2-acetamido-2-deoxy-β-D • butyric-ester derivatives of hyaluronic acid |
| Symbol |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280 - P305 + P351 + P338 - P310 |
| Hazard Codes | C |
| Risk Statements | 14-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 2739 8 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | 188.6 °F - closed cup |
| Flash Point(C) | 87 °C - closed cup |
| Supplemental Hazard Statements | EUH014 |
| Purity | ≥97.0% (NT) |
| bp | 198-199 °C (lit.) |
| mp | −75-−66 °C (lit.) |
| Density | 0.967 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |