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1,2-Epoxybutane

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1,2-Epoxybutane
Names
Preferred IUPAC name Ethyloxirane
Other names 1,2-Butyleneoxide
1,2-Buteneoxide
Ethyloxyrane
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.003.127 Edit this at Wikidata
EC Number
  • 203-438-2
PubChem CID
RTECS number
  • EK3675000
UNII
UN number 3022
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3Key: RBACIKXCRWGCBB-UHFFFAOYSA-N
  • (R): InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m1/s1Key: RBACIKXCRWGCBB-SCSAIBSYSA-N
  • (S): InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m0/s1Key: RBACIKXCRWGCBB-BYPYZUCNSA-N
SMILES
  • CCC1CO1
  • (R): CC1CO1
  • (S): CC1CO1
Properties
Chemical formula C4H8O
Molar mass 72.107 g·mol
Appearance colorless liquid
Density 0.83 g·cm
Melting point −150 °C (−238 °F; 123 K)
Boiling point 65 °C (149 °F; 338 K)
Viscosity 0.40 mPa.s
Hazards
GHS labelling:
Pictograms GHS02: FlammableGHS07: Exclamation markGHS08: Health hazard
Signal word Danger
Hazard statements H225, H302, H312, H315, H319, H332, H335, H351, H412
Precautionary statements P201, P202, P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P273, P280, P281, P301+P312, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P370+P378, P403+P233, P403+P235, P405, P501
Flash point −22 °C (−8 °F; 251 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

1,2-Epoxybutane is an organic compound with the formula CH2(O)CHCH2CH3. It is a chiral epoxide prepared by oxidation of 1-butene.

References

  1. Kamata, Keigo; Yonehara, Koji; Sumida, Yasutaka; Yamaguchi, Kazuya; Hikichi, Shiro; Mizuno, Noritaka (2003). "Efficient Epoxidation of Olefins with ≥99% Selectivity and Use of Hydrogen Peroxide". Science. 300 (5621): 964–966. Bibcode:2003Sci...300..964K. doi:10.1126/science.1083176. PMID 12738860. S2CID 38700647.
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