Basic information
- Name:
Oxirane, 2-ethyl-,(2S)-
- Superlist Name:
- (S)-(-)-1,2-Epoxybutane
- CAS No.:
30608-62-9
- Molecular Structure:
- Formula:
- C4H8O
- Molecular Weight:
- 72.11
- Synonyms:
- Butane,1,2-epoxy-, (S)-(-)- (8CI);Oxirane, ethyl-, (2S)- (9CI);Oxirane, ethyl-,(S)-;(2S)-2-Ethyloxirane;(S)-1,2-Epoxybutane;(S)-1-Butene oxide;(S)-2-Ethyloxirane;(S)-Ethyloxirane;
- Density:
- 0.88 g/cm3
- Boiling Point:
- 63.4 °C at 760 mmHg
- Hazard Symbols:
F,
T- Risk Codes:
- 20/21/22-34-40
- Safety Description:
- 16-26-27-36/37/39-45 Details
- Transport Information:
- UN 3022 3/PG 2
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Chemistry
Systematic Name: (2S)-2-Ethyloxirane
Synonyms of (S)-(-)-1,2-Epoxybutane (CAS NO.30608-62-9): (S)-1,2-Epoxybutane ; 2S-Ethyloxirane; (S)-1-Butene oxide ; (S)-Ethyloxirane
CAS NO: 30608-62-9
Molecular Formula: C4H8O
Molecular Weight: 72.1057
Molecular Structure: 
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 1 Polar
Surface Area: 12.53 Å2
Index of Refraction: 1.407
Molar Refractivity: 20.15 cm3
Molar Volume: 81.8 cm3
Surface Tension: 28.3 dyne/cm
Density: 0.88 g/cm3
Enthalpy of Vaporization: 29.29 kJ/mol
Boiling Point: 63.4 °C at 760 mmHg
Flash Point: 10 °F
Vapour Pressure: 184 mmHg at 25°C
Product Categories of (S)-(-)-1,2-Epoxybutane (CAS NO.30608-62-9): Chiral Compounds;Epoxides
SMILES: O1[C@@H](CC)C1
InChI: InChI=1/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m0/s1
InChIKey: RBACIKXCRWGCBB-BYPYZUCNBI
Std. InChI: InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m0/s1
Std. InChIKey: RBACIKXCRWGCBB-BYPYZUCNSA-N
Safety Profile
Hazard Codes:
F,
T
Risk Statements: 20/21/22-34-40
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R34: Causes burns.
R40: Limited evidence of a carcinogenic effect.
Safety Statements: 16-26-27-36/37/39-45
S16: Keep (S)-(-)-1,2-Epoxybutane (CAS NO.30608-62-9) away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27: Take off immediately all contaminated clothing.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3022 3/PG 2
WGK Germany: 3
