α-Butene supplier | CasNO.106-98-9

Name
1-Butene
EINECS 203-449-2
CAS No. 106-98-9
Article Data1336
CAS DataBase
Density 0.626 g/cm³
Solubility Insoluble in water, slightly soluble in benzene, soluble in ethanol, ether
Melting Point -185 °C(lit.)
Formula C₄H₈
Boiling Point - 6.3 °C(lit.)
Molecular Weight 56.1075
Flash Point 80 °C
Transport Information UN 1012 2.1
Appearance Colorless gas
Safety 9-16-33
Risk Codes 12
Molecular Structure
Hazard Symbols F+, F
Synonyms 1-Butene;But-1-ene;Butene, all isomers;CCRIS 8970;UNII-LY001N554L;alpha-Butene;alpha-Butylene;
PSA 0.00000
LogP 1.58240

Synthetic route

: 17486-13-4
(Z)-crotyltrimethylsilane

: 106-98-9
1-butylene

Conditions

Conditions	Yield
With tetrahydrofuran at 60℃; for 3h;	100%

: 18284-36-1, 27497-56-9
hydridotetakis(triphenylphosphine)rhodium(I)

: 702-04-5
crotyl phenyl sulfide

A: 106-98-9
1-butylene

B: 92922-07-1
{Rh(SC6H5)(P(C6H5)3)2}2

C: 107-01-7
butene-2

Conditions

Conditions	Yield
In toluene byproducts: P(C6H5)3; (N2); at room temp.; GLC yields of organic compounds;	A 80% B 100% C 15%

...Expand

: 74-85-1
ethene

: 106-98-9
1-butylene

Conditions

Conditions	Yield
With tetrabutoxytitanium; butyl magnesium bromide; triethylaluminum In n-heptane at 25℃; under 6080 Torr;	99.4%
With tetrabutoxytitanium; butyl magnesium bromide; triethylaluminum In n-heptane at 25℃; under 6080 Torr; Product distribution; Kinetics; var. temp., var. time, var. reagents ratio;	99.4%
With triethylaluminum at 200 - 220℃;

: tris(cyclopentadienyl)thorium(IV) n-butyl

A: 106-98-9
1-butylene

B: 111-65-9
octane

C: 106-97-8
n-butane

Conditions

Conditions	Yield
In benzene-d6 Kinetics; thermolysis at 167 +/- 1°C;	A <1 B <1 C 98%

...Expand

: {1,2-bis(dicyclohexylphosphino)ethane}(butane-1,4-diyl)palladium(II)

A: 106-98-9
1-butylene

B: 590-18-1
(Z)-2-Butene

C: 624-64-6
trans-2-Butene

D: 74-85-1
ethene

E: 106-97-8
n-butane

Conditions

Conditions	Yield
In toluene thermal decompn. at 95°C (70 h);	A 0.4% B 0.6% C 1.1% D 97.8% E 0.1%
In toluene thermal decompn. at 95°C (23 h);	A 8% B 20.9% C 46.3% D 20.2% E 4.6%

...Expand

: 74-85-1
ethene

A: 106-98-9
1-butylene

B: 187737-37-7
propene

Conditions

Conditions	Yield
With ReOx/Al2O3; Ni-AlKIT-6 at 60℃; under 22502.3 Torr; Inert atmosphere;	A 97.4% B n/a
With aluminosilicate B In water at 600℃; for 3.75h;	A 21.1% B 51.3%
With H-SSZ-13 zeolite consisting of chabazite cages connected via 8-ring windows at 399.84℃; under 375.038 Torr; for 0.25h; Catalytic behavior; Reagent/catalyst; Inert atmosphere;

: 100-48-1
pyridine-4-carbonitrile

: 109-52-4
valeric acid

A: 106-98-9
1-butylene

B: 72679-69-7
2-butyl-isonicotinonitrile

C: 7136-18-7
3-n-butyl-4-cyanopyridine

D: 74808-77-8
2,5-di-n-butyl-4-cyanopyridine

E: 74825-01-7
2,3-di-n-butyl-4-cyanopyridine

F: 72679-70-0
2,6-di-n-butyl-4-cyanopyridine

Conditions

Conditions	Yield
With dipotassium peroxodisulfate; sulfuric acid; copper diacetate; silver nitrate In water at 57℃; for 3h; Product distribution; Rate constant; Mechanism; without cupric acetate, various temperatures and acidities, (NH4)2S2O8 for K2S2O8;	A n/a B 96.1% C 0.9% D 2% E 0.5% F 0.7%

...Expand

: 106-97-8
n-butane

: 106-98-9
1-butylene

Conditions

Conditions	Yield
With water; oxygen at 25 - 575℃; under 1800.18 - 9000.9 Torr;	95%
With water; hydrogen; oxygen	95.9%
35% iron on alumina at 690℃; for 3h; Product distribution / selectivity;
With ZSM-5 zeolite at 550℃; under 1125.11 Torr; for 3h; Gas phase;
With propene at 200℃; under 4560.31 Torr; Catalytic behavior; Reagent/catalyst;

: 18284-36-1, 27497-56-9
hydridotetakis(triphenylphosphine)rhodium(I)

: 701-75-7
3-(phenylthio)but-1-ene

A: 106-98-9
1-butylene

B: 92922-07-1
{Rh(SC6H5)(P(C6H5)3)2}2

C: 107-01-7
butene-2

Conditions

Conditions	Yield
In toluene byproducts: P(C6H5)3; (N2); at room temp.; GLC yields of organic compounds;	A 4% B 95% C 78%

...Expand

: 190260-52-7
(4R)-4-ethyl-2-phenyl-4,5-dihydro-1λ6,3-thiazole 1,1-dioxide

A: 106-98-9
1-butylene

B: 100-47-0
benzonitrile

Conditions

Conditions	Yield
at 600℃; under 0.001 Torr;	A 78% B 94%

: 74-85-1
ethene

A: 106-98-9
1-butylene

B: 590-18-1
(Z)-2-Butene

Conditions

Conditions	Yield
Ni(DMPMNBu)Cl2 In toluene at 30 - 60℃; under 15201 Torr; Product distribution / selectivity; Autoclave; Gas phase;	A 93.7% B 5.1%
yttrium; nickel(II) at 199.9℃; Product distribution; various Ni-substituted catalysts;	A 7.1% B 90%
With C16H19Br2N4NiP In toluene at 30℃; under 6000.6 Torr; for 0.5h; Catalytic behavior; Time; Reagent/catalyst; Temperature;

: {1,4-bis(diphenylphosphino)butane}(butane-1,4-diyl)palladium(II)

A: 106-98-9
1-butylene

B: 590-18-1
(Z)-2-Butene

C: 624-64-6
trans-2-Butene

D: 74-85-1
ethene

E: 106-99-0
buta-1,3-diene

Conditions

Conditions	Yield
In toluene thermal decompn. at 95°C (23 h);	A 93.1% B 1.3% C 0.3% D 0.5% E 4.8%

...Expand

: cis-bis(triethylphosphine)(n-butyl)(I) platinum(II)

A: 106-98-9
1-butylene

B: 590-18-1
(Z)-2-Butene

: 16971-06-5, 19696-06-1
trans-hydridoiodobis(triethylphosphine)platinum(II)

D: 624-64-6
trans-2-Butene

Conditions

Conditions	Yield
In acetone Kinetics; at 283.66-313.16 K; NMR;	A 91.8% B 5.9% C n/a D 3.1%

...Expand

: cis-dimethyl(η(1)-crotyl)(triphenylphosphine)gold(III)

A: 106-98-9
1-butylene

: cis-(chloro)dimethyl(triphenylphosphine)gold(III)

Conditions

Conditions	Yield
With hydrogenchloride In benzene acidolysis with equimolar amts. of HCl in benzene at room temp.;	A 91% B 77%

: 132884-86-7
(CH(CH3)CHCH2)Pd(OOCH)(P(C6H4CH3)3)

A: 106-98-9
1-butylene

B: 107-01-7
butene-2

Conditions

Conditions	Yield
Kinetics; byproducts: CO2; decopose rapidly at room temp.; (1)H-NMR; GC;	A 91% B 9%

: Ru(η5-C5H5)(η3-C3H5)(CH3)2

A: 106-98-9
1-butylene

B: 187737-37-7
propene

C: 34557-54-5
methane

D: 107-01-7
butene-2

Conditions

Conditions	Yield
In solid heated at 200°C in the solid state under reduced pressure in a sealed tube;	A 6% B 18% C 91% D 24%

...Expand

: cis-bis(triethylphosphine)(n-butyl)(isoselenocyanato) platinum(II)

A: 106-98-9
1-butylene

B: 590-18-1
(Z)-2-Butene

: 37809-11-3
trans-bis(triethylphosphine)(hydrido)(selenocyanato) platinum(II)

D: 624-64-6
trans-2-Butene

Conditions

Conditions	Yield
In acetone Kinetics; at 298.16 K; NMR;	A 90.6% B 5.4% C n/a D 4%

...Expand

: 74-85-1
ethene

A: 106-98-9
1-butylene

B: 592-41-6
1-hexene

Conditions

Conditions	Yield
[Ph2PC6H4C(OB(C6F5)3)O-κ2P,O](η3-CH2CMeCH2) In toluene at 0℃; under 2280.15 Torr; for 1h; Product distribution; Further Variations:; Temperatures; Pressures; oligomerization;	A 90% B 6%
With tetraphenyl phosphonium chloride; chromium at 80℃; under 37503.8 Torr; for 1h; Product distribution / selectivity;	A 7.5% B 88.3%
With [6,6'-diphenyl-[2,2']-bipyridinyl]NiBr2; triethyl aluminum sesquichloride In toluene Catalytic behavior; Reagent/catalyst; Inert atmosphere; Schlenk technique;	A 88% B 9%

: 78-92-2, 15892-23-6
iso-butanol

: 106-98-9
1-butylene

Conditions

Conditions	Yield
zirconium(IV) oxide at 220℃; Product distribution; other catalyst; other methyl substituted 2-butanols;	90%
Hf-Zr oxide at 250℃; Product distribution; study of the catalytic conversion of alcohols, influence of the surface composition of the catalyst on the selectivity;
With PPA at 60 - 65℃; for 0.25h;
With silica-supported sodium phosphate at 400℃; Inert atmosphere;

: 5-bromopentanoylmanganese pentacarbonyl

: 106-98-9
1-butylene

Conditions

Conditions	Yield
In tetrahydrofuran-d8 heating for 4 h at 60°C; (1)H-NMR;	90%
In chloroform-d1 heating for 1 h 120°C; GC gas analysis;	85%

: 5453-44-1
allyl crotonate

: 15681-48-8
lithium dimethylcuprate

A: 106-98-9
1-butylene

B: 107-93-7
(E)-but-2-enoic acid

Conditions

Conditions	Yield
In diethyl ether at -10℃; for 2h;	A n/a B 89%

...Expand

: 56-23-5
tetrachloromethane

: 629-35-6
dibutylmercury

A: 106-98-9
1-butylene

B: mercury

C: 106-97-8
n-butane

Conditions

Conditions	Yield
In neat (no solvent) 150°C, 25 h; further products;	A 76% B 89% C 4%

...Expand

: 123-38-6
propionaldehyde

: 18107-18-1
diazomethyl-trimethyl-silane

: 106-98-9
1-butylene

Conditions

Conditions	Yield
With Rh(I)[PPh2CH2CH2Si(OEt)3]3Cl; triphenylphosphine; isopropyl alcohol In tetrahydrofuran at 25℃; for 6h; Reagent/catalyst; chemoselective reaction;	89%

: {1,4-bis(diphenylphosphino)butane}(butane-1,4-diyl)palladium(II)

A: 106-98-9
1-butylene

B: 590-18-1
(Z)-2-Butene

C: 624-64-6
trans-2-Butene

D: 106-99-0
buta-1,3-diene

E: 106-97-8
n-butane

Conditions

Conditions	Yield
In toluene thermal decompn. at 95°C (70 h);	A 88.9% B 3.3% C 2.8% D 4.2% E 0.8%

...Expand

: 106-88-7
ethyloxirane

: 106-98-9
1-butylene

Conditions

Conditions	Yield
With sodium iodide; tin(ll) chloride In ethanol for 0.0333333h; Reflux; Green chemistry;	88%
With B single-collision conditions;
With carbon monoxide; C29H32IrN5O; bis(trifluoromethane)sulfonimide lithium In benzene-d6 at 80℃; under 7500.75 Torr; for 24h; Schlenk technique; chemoselective reaction;	65 %Spectr.

: 5239-82-7
cyclopropylacetic acid

A: 106-98-9
1-butylene

B: 624-64-6
trans-2-Butene

C CO2: CO2

Conditions

Conditions	Yield
at 496.9℃; for 0.25h; Product distribution;	A 86% B 2% C n/a

...Expand

: 627-27-0
homoalylic alcohol

A: 106-98-9
1-butylene

B: 107-01-7
butene-2

C: 71-36-3
butan-1-ol

Conditions

Conditions	Yield
With hydrogen; acetic acid In water at 39.84℃; for 4h; Inert atmosphere;	A n/a B n/a C 86%

...Expand

: {1,2-bis(diphenylphosphino)ethane}(butane-1,4-diyl)palladium

A: 106-98-9
1-butylene

B: 590-18-1
(Z)-2-Butene

C: 624-64-6
trans-2-Butene

D: 74-98-6
propane

E: 74-85-1
ethene

Conditions

Conditions	Yield
In toluene thermal decompn. at 60°C (15 h); further product: cyclobutane;	A 85.9% B 3.4% C 3.6% D 1% E 5.7%
In toluene thermal decompn. at 95°C (15 h); further product: cyclobutane;	A 58.7% B 2.5% C 2.5% D 1% E 36.3%

...Expand

: 71-36-3
butan-1-ol

: 106-98-9
1-butylene

Conditions

Conditions	Yield
aluminum oxide at 350℃; under 1125.11 Torr; for 20h; Conversion of starting material;	84%
molecular sieve Rate constant; rate constants for dehydratation at various temperatures;
With aluminum oxide at 175 - 500℃;

: 106-98-9
1-butylene

: 64-19-7
acetic acid

: 105-46-4
sec-Butyl acetate

Conditions

Conditions	Yield
cation-exchanger at 90℃; for 1.5h; drying by azeotropic distillation, industrial production;	100%
With sulfuric acid at 100℃; under 5148.6 - 25742.8 Torr; und Destillation im Butylenstrom unter Atmosphaerendruck bei ca. 85grad;
With C18H16O3PS(1+)*HO4S(1-) at 90℃; for 4h;
With Fe/Pd metal modified with hydrogen and nitrogen type cation exchange resin at 100℃; under 22502.3 Torr; for 500h; Reagent/catalyst;
With sulfuric acid at 100℃; under 5148.6 - 25742.8 Torr; und Destillation im Butylenstrom unter Atmosphaerendruck bei ca. 85grad;

: 106-98-9
1-butylene

: 111470-27-0
5,5-Di-tert-butyl-1-(di-tert-butylchlorsilyl)-4-(tri-tert-butylsilyl)-1,2,3,4-tetraaza-5-sila-2-cyclopenten

A: 1-but-2-enyl-1,1,3,3-tetra-tert-butyl-3-chloro-disilazane

B: 69322-38-9
tri-t-butylsilyl azide

Conditions

Conditions	Yield
In benzene at 20℃; for 168h;	A 100% B n/a

...Expand

: Grubbs catalyst first generation

: 106-98-9
1-butylene

: trans-(tricyclohexylphosphine)2Cl2Ru(=CHEt)

Conditions

Conditions	Yield
In dichloromethane byproducts: PhCH=CH2;	100%
In dichloromethane byproducts: PhCH=CH2; (Ar); stirring (15 min, room temp.); elem. anal.;	97%

: 106-98-9
1-butylene

: 161891-78-7
Di-tert.-butyl-(di-tert.-butylphenylsilyl)iminosilan

: 1231250-52-4
MeHC=CHCH2Si(tBu)2NHSiPh(tBu)2

Conditions

Conditions	Yield
In hexane at -78℃; for 4h; Inert atmosphere;	100%

: 106-98-9
1-butylene

: 123-76-2
levulinic acid

: 85734-01-6
sec-butyl 4-oxopentanoate

Conditions

Conditions	Yield
With sulfuric acid In 2,2,4-trimethylpentane at -60 - 100℃; for 2h; Temperature; Reagent/catalyst; Solvent;	100%

: 106-98-9
1-butylene

: 106-99-0
buta-1,3-diene

Conditions

Conditions	Yield
With oxygen; Bi-Mo oxide (1/1) at 400℃; Rate constant; also without O2;	99%
With oxygen Gas phase;	99.4%
With oxygen Flow reactor; Inert atmosphere;	99.4%

: 106-98-9
1-butylene

: 106-97-8
n-butane

Conditions

Conditions	Yield
With palladium on activated charcoal; hydrogen at 180℃; under 37503.8 Torr; for 2h; Temperature; Pressure; Autoclave;	99%
With pumice stone; nickel at 150 - 200℃; Hydrogenation;
With hydrogen; tetrahydrofuran; samarium at 20.9℃; under 135 Torr;

: 106-98-9
1-butylene

: 460-96-8
bis(trifluoromethyl)phosphine

: 20608-42-8
n-Butylbis-trifluormethyl-phosphin

Conditions

Conditions	Yield
Irradiation (UV/VIS); time of irradiation:1 h;	99%
Irradiation (UV/VIS); time of irradiation:1 h;	99%
Irradiation;

: 106-98-9
1-butylene

: 71639-56-0
{(N,N,N',N'-tetramethylethylenediamine)Cl(η2-ethylene)platinum}ClO4

: 476337-45-8
[PtCl(η2-1-butene)(N,N,N',N'-tetramethylethylenediamine)]ClO4

Conditions

Conditions	Yield
In not given Fanizzi, F. P.; Maresca, L.; Natile, G.; Pacifico, C. Gazz. Chim. Ital. 1994, 124, 137; evapn.; elem. anal.;	99%

: 694-32-6
1-methyl-2-imidazolidone

: 106-98-9
1-butylene

: 1146944-10-6
1-sec-butyl-3-methylimidazolidin-2-one

Conditions

Conditions	Yield
With 2-(di-tert-butylphosphino)-1,1'-biphenylgold(I) chloride; silver trifluoromethanesulfonate In 1,4-dioxane at 100℃; under 6205.94 Torr; for 69h; Autoclave; regioselective reaction;	99%

: 106-98-9
1-butylene

: 998-30-1
Triethoxysilane

: β-butyltriethoxysilane

Conditions

Conditions	Yield
With Wilkinson's catalyst at 60℃; for 6h;	98.8%

: 106-98-9
1-butylene

: 80-15-9
Cumene hydroperoxide

A: 106-88-7
ethyloxirane

B: 617-94-7
1-methyl-1-phenylethyl alcohol

Conditions

Conditions	Yield
With Ti-HMS at 95℃; under 26252.6 Torr;	A 98.6% B n/a

...Expand

: 106-98-9
1-butylene

: 201230-82-2
carbon monoxide

: 110-62-3
pentanal

Conditions

Conditions	Yield
With dicarbonylacetylacetonato rhodium (I); C41H30O8P2; hydrogen In toluene at 90℃; under 3750.38 - 7500.75 Torr; for 3h; Reagent/catalyst; regioselective reaction;	98.2%
With [bmim][n-C8H17OSO3]; hydrogen; 2,7-bis(SO3Na)-4,5-bis(PPh2)-9,9-Me2-xanthene Rh complex at 120℃; under 7950.8 Torr; for 0.00472222h; Kinetics; Activation energy; Further Variations:; Pressures; Temperatures; syngas composition, educt conc., catalyst conc.;	97.7%
With (acetylacetonato)dicarbonylrhodium (l); C43H53O8P; hydrogen In toluene under 37503.8 Torr; for 12h; Catalytic behavior; Reagent/catalyst; regioselective reaction;	97.4%

: 106-98-9
1-butylene

poly-1-butene, by catalyzed radical polymerization, Mw = 3.25E3, Mn = 1.90E3, n = 34; monomer(s): but-1-ene: poly-1-butene, by catalyzed radical polymerization, Mw = 3.25E3, Mn = 1.90E3, n = 34; monomer(s): but-1-ene

Conditions

Conditions	Yield
With di-tert-butyl peroxide; LiCB11Me12 In 1,2-dichloro-ethane at 25℃; for 18h; UV-irradiation;	98%

: 106-98-9
1-butylene

(C3 H5)NiPCy3 (Et2 O)+BAr'4: (C3 H5)NiPCy3 (Et2 O)+BAr'4

methyl 4-pentenoate (M4P): methyl 4-pentenoate (M4P)

trans-2-dimethylhexene-dioate (DMHD): trans-2-dimethylhexene-dioate (DMHD)

: 74-85-1
ethene

: 292638-85-8
acrylic acid methyl ester

: 818-57-5
Methyl 4-pentenoate

Conditions

Conditions	Yield
In dichloromethane	98%

...Expand

: 106-98-9
1-butylene

(C3H5)NiPCy3(Et2O)+BAr'4: (C3H5)NiPCy3(Et2O)+BAr'4

methyl 4-pentenoate (M4P): methyl 4-pentenoate (M4P)

trans-2-dimethylhexene-dioate (DMHD): trans-2-dimethylhexene-dioate (DMHD)

: 74-85-1
ethene

: 292638-85-8
acrylic acid methyl ester

: 818-57-5
Methyl 4-pentenoate

Conditions

Conditions	Yield
In dichloromethane	98%

...Expand

: 106-98-9
1-butylene

: 1423875-77-7
(2,6-bis(4,4-dimethyloxazolinyl)-3,5-dimethylphenyl)Ir(acetate)(H)

: (3,5-dimethylphenyl-2,6-bis(oxazolinyl))Ir(OAc)(CH2(CH2)2CH3)

Conditions

Conditions	Yield
With sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In benzene-d6 at 20℃; under 760.051 Torr; for 0.25h; Inert atmosphere; Glovebox;	98%

: 106-98-9
1-butylene

: 355-43-1
n-perfluorohexyl iodide

: 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoro-8-iododecane

Conditions

Conditions	Yield
With sodium hydrogen sulfide; 2,2'-azobis-(2,4-dimethylvaleronitrile) In water at 90℃; for 4h; Autoclave;	97.6%
at 20℃; for 24h; Inert atmosphere; Irradiation;	54%

: 106-98-9
1-butylene

: 423-39-2
1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane

: 1,1,1,2,2,3,3,4,4-nonafluoro-6-iodooctane

Conditions

Conditions	Yield
With sodiumsulfide nonahydrate; dibenzoyl peroxide In water at 90℃; for 4h; Autoclave;	97.5%

: 106-98-9
1-butylene

: 106-88-7
ethyloxirane

Conditions

Conditions	Yield
With phosphotungstic acid; phosphoric acid tributyl ester; dihydrogen peroxide In toluene at 70℃; under 3750.38 Torr; for 5h; Temperature; Pressure;	96.8%
With tert.-butylhydroperoxide; 2C13H10N3O2(1-)*MoO2(2+) In methanol; dichloromethane for 1h; Catalytic behavior; Reagent/catalyst;	91%
With dihydrogen peroxide; teterabutylammonium In acetonitrile at 31.85℃; for 8h;	88%

: 106-98-9
1-butylene

: 4427-94-5
butylene carbonate

Conditions

Conditions	Yield
	96.4%

: 106-98-9
1-butylene

: 110-71-4
1,2-dimethoxyethane

: 139973-40-3, 125782-19-6
Re(CC(CH3)3)(CHC(CH3)3)(OC(CH3)(CF3)2)2

: Re(CC(CH3)3)(CHCH2CH3)(OC(CH3)(CF3)2)2(CH3OCH2CH2OCH3)

Conditions

Conditions	Yield
In 1,2-dimethoxyethane; benzene byproducts: neohexene; under N2, drybox or Schlenk techniques; glass bomb with complex in DME and benzene, cooled (-196°C), degassed, 1-butene condensed into vessel, thawed, vessel wrapped with foil, soln. stirred (2.5 h), addn. of DME; evapn.; elem. anal.;	96%

...Expand

α-Butene Specification

The α-Butene with CAS registry number of 106-98-9 is also known as 1-Butene. The IUPAC name is But-1-ene. It belongs to product categories of Gas Cylinders; Hydrocarbons (Low Boiling point); Synthetic Organic Chemistry; Chemical Synthesis; Compressed and Liquefied Gases; Synthetic Reagents. Its EINECS registry number is 203-449-2. In addition, the formula is C₄H₈ and the molecular weight is 56.11. This chemical is a colorless gas that insoluble in water and has an extremely low flash point or boiling point. Besides, the gases catch fire in contact with air. What's more, it is one important basic chemical raw material that should be sealed in ventilated, cool room away from oxidants.

Physical properties about α-Butene are: (1)ACD/LogP: 2.34; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.337; (4)ACD/LogD (pH 7.4): 2.337; (5)ACD/BCF (pH 5.5): 35.149; (6)ACD/BCF (pH 7.4): 35.149; (7)ACD/KOC (pH 5.5): 444.817; (8)ACD/KOC (pH 7.4): 444.817; (9)#Freely Rotating Bonds: 1; (10)Index of Refraction: 1.371; (11)Molar Refractivity: 20.306 cm³; (12)Molar Volume: 89.656 cm³; (13)Surface Tension: 16.354 dyne/cm; (14)Density: 0.626 g/cm³; (15)Enthalpy of Vaporization: 22.07 kJ/mol; (16)Vapour Pressure: 2213.905 mmHg at 25 °C.

Preparation of α-Butene: it is separated from the C₄ fractionis. It also can be prepared by reaction of trimethylsilyl-cis-2-buten. The reaction needs reagent THF at the temperature of 60 °C for 3 hours. The yield is about 100%.

$α-Butene is separated from the c4 fractionis.$

Uses of α-Butene: it is used to produce 2,2,4-trichloro-1,1,1-trifluoro-hexane by reaction with 1,1,1-trichloro-2,2,2-trifluoro-ethane. The reaction occurs with reagents CuCl, CuCl₂*H₂O, ethanolamine and solvent 2-methyl-propan-2-ol at the temperature of 85 °C for 15 hours. The yield is about 62%.

α-Butene is used to produce 2,2,4-trichloro-1,1,1-trifluoro-hexane by reaction with 1,1,1-trichloro-2,2,2-trifluoro-ethane.

When you are using this chemical, please be cautious about it. As a chemical, it is extremely flammable. During using it, keep away from sources of ignition and take precautionary measures against static discharges. Furthermore, keep container in a well-ventilated place.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: CCC=C
2. InChI: InChI=1S/C4H8/c1-3-4-2/h3H,1,4H2,2H3
3. InChIKey: VXNZUUAINFGPBY-UHFFFAOYSA-N

Product Name

1-Butene

Synthetic route

α-Butene Specification

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