Ethylene oxide facts for kids
Quick facts for kids Ethylene oxide |
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Preferred IUPAC name
Oxirane
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Epoxyethane
Oxacyclopropane |
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| Other names | Ethylene oxide Dimethylene oxide 1,2-Epoxyethane [3]-crown-1 Epoxide |
| Identifiers | |
| Abbreviations | EO, EtO |
| CAS number | |
| PubChem | |
| EC number | 200-849-9 |
| KEGG | D03474 |
| MeSH | |
| ChEBI | CHEBI:27561 |
| RTECS number | KX2450000 |
| SMILES | C1CO1 |
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InChI
InChI=1/C2H4O/c1-2-3-1/h1-2H2
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| Properties | |
| Molecular formula | C2H4O |
| Molar mass | 44.052 g·mol−1 |
| Appearance | Colorless gas |
| Odor | Ether-like |
| Density | 0.8821 g·cm−3 |
| Melting point |
−112.46 °C, 161 K, -170 °F |
| Boiling point |
10.4 °C, 284 K, 51 °F |
| Solubility in water | Miscible |
| Vapor pressure | 1.46 atm (20 °C) |
| −30.5·10−6 cm3/mol | |
| Refractive index (nD) | 1.3597 (589 nm) |
| Dipole moment | 1.94 D |
| Thermochemistry | |
| Std enthalpy of formation ΔfH |
−52.6 kJ·mol−1 |
| Standard molar entropy S |
242.5 J·mol−1·K−1 |
| Specific heat capacity, C | 47.9 J·mol−1·K−1 |
| Hazards | |
| EU classification |  F+  TCarc. Cat. 1 |
| Main hazards | Carcinogen Extremely flammable |
| NFPA 704 |
4
3
3
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| R-phrases | Template:R45, Template:R46, R12, R23, R36/37/38 |
| S-phrases | S53, S45 |
| Explosive limits | 3 to 100% |
| U.S. Permissible exposure limit (PEL) |
TWA 1 ppm 5 ppm [15-minute excursion] |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Ethylene oxide, called oxirane by IUPAC, is an organic compound with the chemical formula C2H4O.
Images for kids
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Condensed ethylene oxide
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Global industrial use of ethylene oxide in 2007.
See also
In Spanish: Óxido de etileno para niños
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Ethylene oxide Facts for Kids. Kiddle Encyclopedia.