1,2-Epoxybutane
ALDRICH/109975 - 99%
Synonym: α-Butylene oxide; 1,2-Butylene oxide; 1-Butene oxide; Ethyloxirane
CAS Number: 106-88-7
Empirical Formula (Hill Notation): C4H8O
Molecular Weight: 72.11
EC Number: 203-438-2
MDL Number: MFCD00005153
Linear Formula: C4H8O
Product Type: Chemical
| assay | 99% |
| autoignition temp. | 698 °F |
| bp | 63 °C (lit.) |
| density | 0.829 g/mL at 25 °C (lit.) |
| expl. lim. | 19 % |
| InChI | 1S/C4H8O/c1-2-4-3-5-4/h4H |
| InChI key | RBACIKXCRWGCBB-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | CCC1CO1 |
| vapor density | 2.2 (vs air) |
| vapor pressure | 140 mmHg ( 20 °C) |
| Application: | 1,2-Epoxybutane can be used: • As a monomer to synthesize novel initiators via ring-opening polymerization. These initiators can be used to prepare complex macromolecules such as grafted polyamides. • To functionalize polyethyleneimine which is used in the synthesis of oxidation-stable adsorbents for CO2 capture. |
| Features and Benefits: | • High polymerizability • Low susceptibility to transfer reaction • Ease of handling |
| Packaging: | 1 L in glass bottle |
| Packaging: | 250 mL in glass bottle |
| Symbol | ![]() ![]() GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225 - H302 + H312 + H332 - H315 - H319 - H335 - H351 |
| Precautionary statements | P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P308 + P313 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20/21/22-36/37/38-40-52/53 |
| Safety Statements | 9-16-29-36/37-61 |
| RIDADR | UN 3022 3 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | 5.0 °F - closed cup |
| Flash Point(C) | -15 °C - closed cup |
| Purity | 99% |
| bp | 63 °C (lit.) |
| Density | 0.829 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12162002 |




