Ethylene oxide

C₂H₄OCAS 75-21-844.05 g/mol

Open in Covalent MOL file

Epoxide Ether

Properties

Molecular formula: C₂H₄O
Molar mass: 44.05 g/mol
Exact mass: 44.0262 Da
Density: 0.882 g/mL (at 10 °C)
Melting point: −111 °C
Boiling point: 10.7 °C
Flash point: -28.9 °C (closed cup)
Water solubility: miscible
logP: 0.02Crippen estimate
Polar surface area: 12.5 Å²
H-bond donors / acceptors: 0 / 1
Rotatable bonds: 0

Hazards

Danger

H220 Extremely flammable gasFlammable gases
H301 Toxic if swallowedAcute toxicity, oral
H314 Causes severe skin burns and eye damageSkin corrosion/irritation
H318 Causes serious eye damageSerious eye damage/eye irritation
H331 Toxic if inhaledAcute toxicity, inhalation
H335 May cause respiratory irritationSpecific target organ toxicity, single exposure; Respiratory tract irritation
H336 May cause drowsiness or dizzinessSpecific target organ toxicity, single exposure; Narcotic effects
H340 May cause genetic defectsGerm cell mutagenicity
H350 May cause cancerCarcinogenicity
H360Fd May damage fertility; Suspected of damaging the unborn childReproductive toxicity
H372 Causes damage to organs through prolonged or repeated exposureSpecific target organ toxicity, repeated exposure

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P203, P210, P222, P260, P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P318, P319, P321, P330, P363, P377, P381, P403, P403+P233, P405, P501