Chemistry:1,2-Epoxybutane

1,2-Epoxybutane
Names
	Preferred IUPAC name Ethyloxirane
	Other names 1,2-Butyleneoxide; 1,2-Buteneoxide; Ethyloxyrane
Identifiers
CAS Number	106-88-7 ; (R): 3760-95-0; (S): 30608-62-9;
3D model (JSmol)	Interactive image;
ChemSpider	7546; (R): 9322778; (S): 9073889;
EC Number	203-438-2;
PubChem CID	7834; (R): 11147670; (S): 10898629;
RTECS number	EK3675000;
UNII	FR67H5388O ;
UN number	3022
	InChI InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3 Key: RBACIKXCRWGCBB-UHFFFAOYSA-N; (R): InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m1/s1 Key: RBACIKXCRWGCBB-SCSAIBSYSA-N; (S): InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m0/s1 Key: RBACIKXCRWGCBB-BYPYZUCNSA-N;
	SMILES CCC1CO1; (R): CC[C@@H]1CO1; (S): CC[C@H]1CO1;
Properties
Chemical formula	C4H8O
Molar mass	72.107 g·mol−1
Appearance	colorless liquid
Density	0.83 g·cm−3
Melting point	−150 °C (−238 °F; 123 K)
Boiling point	65 °C (149 °F; 338 K)
Viscosity	0.40 mPa.s
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H225, H302, H312, H315, H319, H332, H335, H351, H412
GHS precautionary statements	P201, P202, P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P273, P280, P281, P301+312, P302+352, P303+361+353, P304+312, P304+340, P305+351+338, P308+313, P312, P321, P322
Flash point	−22 °C (−8 °F; 251 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

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

References

↑ 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. doi:10.1126/science.1083176. PMID 12738860.

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Names

Preferred IUPAC name Ethyloxirane
Other names 1,2-Butyleneoxide 1,2-Buteneoxide Ethyloxyrane
Identifiers
CAS Number	106-88-7^Y (R): 3760-95-0 (S): 30608-62-9
3D model (JSmol)	Interactive image
ChemSpider	7546 (R): 9322778 (S): 9073889
EC Number	203-438-2
PubChem CID	7834 (R): 11147670 (S): 10898629
RTECS number	EK3675000
UNII	FR67H5388O^Y
UN number	3022
InChI InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3 Key: RBACIKXCRWGCBB-UHFFFAOYSA-N (R): InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m1/s1 Key: RBACIKXCRWGCBB-SCSAIBSYSA-N (S): InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m0/s1 Key: RBACIKXCRWGCBB-BYPYZUCNSA-N
SMILES CCC1CO1 (R): CC[C@@H]1CO1 (S): CC[C@H]1CO1
Properties
Chemical formula	C₄H₈O
Molar mass	72.107 g·mol⁻¹
Appearance	colorless liquid
Density	0.83 g·cm⁻³
Melting point	−150 °C (−238 °F; 123 K)
Boiling point	65 °C (149 °F; 338 K)
Viscosity	0.40 mPa.s
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H225, H302, H312, H315, H319, H332, H335, H351, H412
GHS precautionary statements	P201, P202, P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P273, P280, P281, P301+312, P302+352, P303+361+353, P304+312, P304+340, P305+351+338, P308+313, P312, P321, P322
Flash point	−22 °C (−8 °F; 251 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references