Styrene oxide
ALDRICH/S5006 - 97%
Synonym: 1,2-
CAS Number: 96-09-3
Empirical Formula (Hill Notation): C8H8O
Molecular Weight: 120.15
EC Number: 202-476-7
MDL Number: MFCD00005121
Linear Formula: C8H8O
Product Type: Chemical
| assay | 97% |
| autoignition temp. | 928 °F |
| bp | 194 °C (lit.) |
| density | 1.054 g/mL at 25 °C (lit.) |
| expl. lim. | ~22 % |
| InChI | 1S/C8H8O/c1-2-4-7(5-3-1)8 |
| InChI key | AWMVMTVKBNGEAK-UHFFFAOYSA |
| mp | −37 °C (lit.) |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | C1OC1c2ccccc2 |
| vapor density | 4.14 (vs air) |
| vapor pressure | <1 mmHg ( 20 °C) |
| Application: | • Synthesis of poly (styrene oxide) with different molecular weights using tin catalysts: This study explores the ring-opening polymerization of styrene oxide using tin catalysts to produce homopolymers with varying molecular weights (Kayan, 2015 ![]() • Electrogenerated BF3 from tetrafluoroborate-based ionic liquids: theoretical and experimental studies towards selective styrene oxide isomerization: Research on using electrogenerated BF3 to selectively isomerize styrene oxide, highlighting theoretical and experimental insights (Bortolami et al., 2021 ![]() • Selective conversion of styrene oxide to 2-phenylethanol in cascade reactions over non-noble metal catalysts: This paper investigates the catalytic conversion of styrene oxide to 2-phenylethanol using non-noble metal catalysts (Sasu et al., 2016 ![]() • Laboratory blueprints for interstellar searches of aromatic chiral molecules: rotational signatures of styrene oxide: Study of the rotational spectra of styrene oxide for potential detection in interstellar space (Stahl et al., 2020 ![]() |
| Packaging: | 5, 100, 500 g in glass bottle |
| Symbol | ![]() GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H312 - H315 - H317 - H319 - H331 - H340 - H350 |
| Precautionary statements | P202 - P280 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P308 + P313 |
| Hazard Codes | T |
| Risk Statements | 45-46-20/21-36/38-43 |
| Safety Statements | 53-26-36/37-45 |
| RIDADR | UN 2810 6.1 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 176.0 °F - closed cup |
| Flash Point(C) | 80 °C - closed cup |
| Purity | 97% |
| bp | 194 °C (lit.) |
| mp | −37 °C (lit.) |
| Density | 1.054 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12162002 |



