363359
2-Butene, mixture of cis and trans
≥99%
Synonym(s):
β-Butylene, Pseudobutylene
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About This Item
Linear Formula:
CH3CH=CHCH3
CAS Number:
Molecular Weight:
56.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
203-452-9
Beilstein/REAXYS Number:
1718755
MDL number:
Assay:
≥99%
InChI key
IAQRGUVFOMOMEM-ONEGZZNKSA-N
InChI
1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3+
SMILES string
C\C=C\C
vapor pressure
1.9 mmHg ( 0 °C)
assay
≥99%
expl. lim.
9.3 %
bp
1 °C (lit.)
mp
−140 °C (lit.)
Quality Level
Related Categories
General description
2-Butene is an alkene. All-silica zeolite RUB-41, containing 8- and 10-membered rings, is reported to be capable of separating trans-2-butene and cis-2-butene from 1-butene. Asymmetric gydrozirconation of cis- and trans-2-butene is reported. Stereospecific addition of methylene to trans-2-butene is reported to afford trans-1,2dimethylcyclopropane while similar addition to cis-2-butene affords cis-1,2dimethylcyclopropane.
Other Notes
Brass hose adapter Z146811 or brass body mini gas regulator Z513539 is recommended.
signalword
Danger
hcodes
pcodes
Hazard Classifications
Flam. Gas 1 - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk
nwg
flash_point_f
-29.2 °F - closed cup
flash_point_c
-34 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
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Yonghui Zhang et al.
Journal of the American Chemical Society, 125(29), 8746-8747 (2003-07-17)
Hydrozirconation of cis-2-butene with Cp*ZrHCl[N(t-Bu)C(Me)N(Et)], generated in situ through hydrogenolysis of Cp*ZrCl(SiMe2Ph)[N(t-Bu)C(Me)N(Et)] (5), proceeds in high yield to produce a 1:2 mixture of the kinetically stable, diastereomeric sec-butyl complexes, 3a and 3b. Hydrozirconation of trans-2-butene under identical conditions provides a
Methylene, CH2. Stereospecific Reaction with cis-and trans-2-Butene.
Woodworth RC and Skell PS.
Journal of the American Chemical Society, 81(13), 3383-3386 (1959)
Duangkamol Gleeson
Journal of computer-aided molecular design, 22(8), 579-585 (2008-03-18)
In this study the results from a series of calculations are reported that probe the influence of the QM cluster size and the extended framework treatment in ONIOM calculations. This is done by comparing the differences in the structures and
Philip T M Carlsson et al.
Physical chemistry chemical physics : PCCP, 14(45), 15637-15640 (2012-10-24)
Recent studies have suggested that the reaction of stabilised Criegee Intermediates (CIs) with sulfur dioxide (SO(2)), leading to the formation of a carbonyl compound and sulfur trioxide, is a relevant atmospheric source of sulfuric acid. Here, the significance of this
Franz Worek et al.
Archives of toxicology, 86(9), 1379-1386 (2012-03-23)
The reactivation of organophosphorus compound (OP)-inhibited acetylcholinesterase (AChE) by oximes is inadequate in case of different OP nerve agents. This fact led to the synthesis of numerous novel oximes by different research groups in order to identify more effective reactivators.
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