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pentene wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 straight chain isomers 2 branched chain isomers 3 production of fuels 4 references toggle the table of contents pentene 30 languages العربية azərbaycanca বাংলা català čeština deutsch ελληνικά esperanto español فارسی suomi français עברית հայերեն italiano 日本語 한국어 македонски bahasa melayu norsk bokmål română русский srpskohrvatski српскохрватски simple english српски srpski svenska türkçe oʻzbekcha ўзбекча 粵語 中文 edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikimedia commons wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia redirected from isopentene chemical compound c5h10 straight chain pentenes 1 pentene cis 2 pentene trans 2 pentene names iupac names pent 1 ene cis pent 2 ene trans pent 2 ene other names amylene n amylene n pentene beta n amylene sym methylethylethylene identifiers cas number 109 67 1 1 pentene y 627 20 3 cis 2 pentene y 646 04 8 trans 2 pentene y 3d model jsmol 1 pentene interactive image cis 2 pentene interactive image trans 2 pentene interactive image chemspider 7713 1 pentene n 4483638 cis 2 pentene n 4483639 trans 2 pentene n echa infocard 100 042 636 ec number 246 916 6 1 pentene 273 308 8 cis 2 pentene 271 255 5 trans 2 pentene pubchem cid 8004 1 pentene 5326160 cis 2 pentene 5326161 trans 2 pentene unii alp8m0lu81 1 pentene y 54ur3xz4fc cis 2 pentene y yco1sjq98h trans 2 pentene y comptox dashboard epa dtxsid7026819 inchi 1 pentene inchi 1s c5h10 c1 3 5 4 2 h3h 1 4 5h2 2h3 key ywakxrmumfpdsh uhfffaoysa n cis 2 pentene inchi 1s c5h10 c1 3 5 4 2 h3 5h 4h2 1 2h3 b5 3 key qmmoxupewrxhjs hyxafxhysa n trans 2 pentene inchi 1s c5h10 c1 3 5 4 2 h3 5h 4h2 1 2h3 b5 3 key qmmoxupewrxhjs hwkanzrosa n smiles 1 pentene cccc c cis 2 pentene cc c c c trans 2 pentene cc c c c properties chemical formula c 5 h 10 molar mass 70 135 g mol 1 density 0 64 g cm 3 1 pentene 1 melting point 165 2 c 265 4 f 108 0 k 1 pentene 1 boiling point 30 c 86 f 303 k 1 pentene 1 magnetic susceptibility χ 53 7 10 6 cm 3 mol hazards safety data sheet sds msds except where otherwise noted data are given for materials in their standard state at 25 c 77 f 100 kpa n verify what is y n infobox references chemical compound pentenes are alkenes with the chemical formula c 5 h 10 each molecule contains one double bond within its molecular structure six different compounds are in this class differing from each other by whether the carbon atoms are attached linearly or in a branched structure and whether the double bond has a cis or trans form straight chain isomers edit 1 pentene is an alpha olefin most often 1 pentene is made as a byproduct of catalytic or thermal cracking of petroleum or during the production of ethylene and propylene via thermal cracking of hydrocarbon fractions as of 2010s the only commercial manufacturer of 1 pentene was sasol ltd where it is separated from crude by the fischer tropsch process 2 2 pentene has two geometric isomers cis 2 pentene and trans 2 pentene cis 2 pentene is used in olefin metathesis branched chain isomers edit the branched isomers are 2 methylbut 1 ene 3 methylbut 1 ene isopentene and 2 methylbut 2 ene isoamylene isoamylene is one of the three main byproducts of deep catalytic cracking dcc which is very similar to the operation of fluid catalytic cracking fcc the dcc uses vacuum gas oil vgo as a feedstock to produce primarily propylene isobutylene and isoamylene the rise in demand for polypropylene has encouraged the growth of the dcc which is operated very much like the fcc isobutylene and isoamylene feedstocks are necessary for the production of the much debated gasoline blending components methyl tert butyl ether and tert amyl methyl ether production of fuels edit propylene isobutene and amylenes are feedstocks in the alkylation units of refineries using isobutane blendstocks are generated with high branching for good combustion characteristics amylenes are valued as precursors to fuels especially aviation fuels of relatively low volatility as required by various regulations 3 references edit 1 2 3 record in the gestis substance database of the institute for occupational safety and health rsa olefins cchange www cchange ac za retrieved 2017 10 19 bipin v vora joseph a kocal paul t barger robert j schmidt james a johnson 2003 alkylation kirk othmer encyclopedia of chemical technology doi 10 1002 0471238961 0112112508011313 a01 pub2 isbn 0 471 23896 1 v t e alkenes alkenes ethene c 2 h 4 propene c 3 h 6 butene c 4 h 8 pentene c 5 h 10 hexene c 6 h 12 heptene c 7 h 14 octene c 8 h 16 nonene c 9 h 18 decene c 10 h 20 polyenes preparations dehydrohalogenation from haloalkane dehydration reaction from alcohol semihydrogenation from alkyne bamford stevens reaction barton kellogg reaction boord olefin synthesis chugaev elimination cope reaction corey winter olefin synthesis grieco elimination hofmann elimination horner wadsworth emmons reaction hydrazone iodination julia olefination kauffmann olefination mcmurry reaction peterson olefination ramberg bäcklund reaction shapiro reaction takai olefination wittig reaction olefin metathesis ene reaction cope rearrangement reactions hydrogenation halogenation hydration electrophilic addition oxymercuration reaction hydroboration cyclopropanation epoxidation dihydroxylation ozonolysis hydrohalogenation polymerization diels alder reaction wacker process dehydrogenation ene reaction friedel crafts alkylation v t e binary compounds of hydrogen alkali metal group 1 hydrides lih nah kh rbh csh alkaline group 2 earth hydrides monohydrides beh mgh cah srh bah dihydrides beh 2 mgh 2 cah 2 srh 2 bah 2 group 13 hydrides boranes bh 3 bh b 2 h 6 b 2 h 2 b 2 h 4 b 4 h 10 b 5 h 9 b 5 h 11 b 6 h 10 b 6 h 12 b 10 h 14 b 18 h 22 alanes alh 3 al 2 h 6 gallanes gah 3 ga 2 h 6 indiganes inh 3 in 2 h 6 thallanes tlh 3 tl 2 h 6 nihonanes predicted nhh nhh 3 nh 2 h 6 nhh 5 group 14 hydrides hydrocarbons alkanes alkenes alkynes cycloalkanes cycloalkenes cycloalkynes annulenes ch ch 2 ch 3 c 2 h silanes sih 4 si 2 h 6 si 3 h 8 si 4 h 10 si 5 h 12 si 6 h 14 si 7 h 16 si 8 h 18 si 9 h 20 si 10 h 22 more silenes si 2 h 4 silynes si 2 h 2 sih germanes geh 4 ge 2 h 6 ge 3 h 8 ge 4 h 10 ge 5 h 12 stannanes snh 4 sn 2 h 6 plumbanes pbh 4 flerovanes predicted flh flh 2 flh 4 pnictogen group 15 hydrides azanes nh 3 n 2 h 4 n 3 h 5 n 4 h 6 n 5 h 7 n 6 h 8 n 7 h 9 n 8 h 10 n 9 h 11 n 10 h 12 more azenes n 2 h 2 n 3 h 3 n 4 h 4 phosphanes ph 3 p 2 h 4 p 3 h 5 p 4 h 6 p 5 h 7 p 6 h 8 p 7 h 9 p 8 h 10 p 9 h 11 p 10 h 12 more phosphenes p 2 h 2 p 3 h 3 p 4 h 4 arsanes ash 3 as 2 h 4 stibanes sbh 3 bismuthanes bih 3 moscovanes mch 3 predicted hn 3 nh hn 5 hypothetical nh 5 hypothetical hydrogen chalcogenides group 16 hydrides polyoxidanes h 2 o h 2 o 2 h 2 o 3 h 2 o 4 h 2 o 5 more polysulfanes h 2 s h 2 s 2 h 2 s 3 h 2 s 4 h 2 s 5 h 2 s 6 h 2 s 7 h 2 s 8 h 2 s 9 h 2 s 10 more selanes h 2 se h 2 se 2 tellanes h 2 te h 2 te 2 polanes poh 2 livermoranes lvh 2 predicted ho ho 2 ho 3 h 2 o o hypothetical h 2 s s hs hs 2 hdo d 2 o t 2 o hydrogen halides group 17 hydrides hf hcl hbr hi hat hts predicted transition metal hydrides sch 2 sch 3 sch 2 yh 2 yh 3 yh 6 yh 9 luh 2 luh 3 lrh 3 predicted tih 2 tih 4 zrh 2 zrh 4 hfh 2 hfh 4 vh vh 2 nbh nbh 2 tah tah 2 crh crh 2 crh x feh feh 2 feh 5 coh 2 rhh 2 irh 3 nih pdh x x 1 pth x x 1 dsh 2 predicted cuh agh auh rgh predicted znh 2 cdh 2 hgh hg 2 h 2 hgh 2 cnh 2 predicted lanthanide hydrides lah 2 lah 3 lah 10 ceh 2 ceh 3 prh 2 prh 3 ndh 2 ndh 3 smh 2 smh 3 euh 2 gdh 2 gdh 3 tbh 2 tbh 3 dyh 2 dyh 3 hoh 2 hoh 3 erh 2 erh 3 tmh 2 tmh 3 ybh 2 actinide hydrides ach 2 thh 2 thh 4 th 4 h 15 pah 3 uh 3 uh 4 nph 2 nph 3 puh 2 puh 3 amh 2 amh 3 cmh 2 bkh 2 bkh 3 cfh 2 cfh 3 exotic matter hydrides psh retrieved from https en wikipedia org w index php title pentene oldid 1359122228 category alkenes hidden categories articles with short description short description is different from wikidata chemical articles with multiple compound ids multiple chemicals in an infobox that need indexing chemical articles with multiple cas registry numbers chemical articles with multiple pubchem cids articles without ebi source articles without kegg source articles with changed chemspider identifier echa infocard id from wikidata articles containing unverified chemical infoboxes chembox image size set this 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