| Identification | More | [Name]
TRANS-2,3-EPOXYBUTANE | [CAS]
21490-63-1 | [Synonyms]
TRANS-2,3-DIMETHYLOXIRANE
TRANS-2,3-EPOXYBUTANE
TRANS-2 3-EPOXYBUTANE (RACEMIC)
TRANS-2-BUTENE OXIDE
TRANS-BETA-BUTYLENE OXIDE
2,3-Butylene oxide (trans)
2,3-Dimethyl-oxirane (E)
3-dimethyl-trans-oxiran
3-epoxy-trans-butan
Butane, 2,3-epoxy-, trans-
trans-2-Butylene Oxide
trans-2-butyleneoxide
Oxirane, 2,3-dimethyl-, (2R,3R)-rel-(9CI)
trans-á-butylene oxide
trans-β-butylene oxide
trans-β-Butylene oxide, trans-2,3-Dimethyloxirane, trans-2-Butene oxide
trans-2,3-Epoxybutane, trans-2-Butene oxide
rel-(2R*,3R*)-2,3-Dimethyloxirane
rel-(2R*,3R*)-2,3-Epoxybutane | [EINECS(EC#)]
244-406-8 | [Molecular Formula]
C4H8O | [MDL Number]
MFCD00005129 | [Molecular Weight]
72.11 | [MOL File]
21490-63-1.mol |
| Chemical Properties | Back Directory | [Melting point ]
-85°C | [Boiling point ]
54-55°C | [density ]
0.807 g/mL at 20 °C(lit.)
| [vapor pressure ]
3.83 psi ( 20 °C) | [refractive index ]
n20/D 1.373
| [Fp ]
-26°C | [form ]
liquid | [color ]
Clear | [Specific Gravity]
0.804 | [biological source]
synthetic | [Water Solubility ]
Soluble in water(95g/L). | [Sensitive ]
Moisture Sensitive | [BRN ]
79772 | [Major Application]
flavors and fragrances | [InChI]
1S/C4H8O/c1-3-4(2)5-3/h3-4H,1-2H3/t3-,4-/m1/s1 | [InChIKey]
PQXKWPLDPFFDJP-QWWZWVQMSA-N | [SMILES]
C[C@H]1O[C@@H]1C | [LogP]
1.053 (est) | [CAS DataBase Reference]
21490-63-1(CAS DataBase Reference) | [EPA Substance Registry System]
Oxirane, 2,3-dimethyl-, (2R,3R)-rel- (21490-63-1) |
| Safety Data | Back Directory | [Hazard Codes ]
F,Xi | [Risk Statements ]
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves . | [RIDADR ]
UN 3271 3/PG 2
| [WGK Germany ]
3
| [RTECS ]
EK3855040
| [F ]
21 | [HazardClass ]
3 | [PackingGroup ]
II | [HS Code ]
2910900090 | [Storage Class]
3 - Flammable liquids | [Hazard Classifications]
Eye Irrit. 2
Flam. Liq. 2
Skin Irrit. 2
STOT SE 3 |
| Hazard Information | Back Directory | [Uses]
A higher order cuprate reacted with trans-2,3-epoxybutane a high yield both counted on the epoxide (96%) and on the haloalkane (85%). Enolate derived from trans-2,3-Epoxybutan has chiral recognition. |
|
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Alfa Aesar
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Energy Chemical
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| Company Name: |
Sigma-Aldrich
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https://www.sigmaaldrich.cn |
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