Download - G5B-Tert Butyl Alcohol
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Tert-Butyl Alcohol
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Nama Senyawa
IUPAC :
2-methyl-2-propanol
Trivial :
tert-Butyl
alcohol Molecular
Formula :C
!"#
$
'u%u(Al&ohol
)ar*onTer(ier
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+umlah Pro,u&(i
Negara Produksi (000 Ton)
US .2
/u(ia .0
+erman 01
Pranci( "0#
China 21
ainnya "0
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Pen%%unaan
"13
"03
443
2"3
"43
Penggunaan t-Butyl Alkohol (Cina)
Solvent
Pla(tici5er
n-Butil a(etat
n-Butil A&rilat
ainnya
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Per*an,in%an ,en%ann-*utanol
Tert- butylalcohol
N- butanol
Boilin% Point 12-12#C ""1# C
6en(ita( #7.00 %8ml #71" %8ml
Meltin% Point 20-2 9C ;# 9C
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Si=at Fi(i&
6en(ita( : #7.10 %8ml
Mr : .7"2 %8mol
Titi& 6i,ih : 12#
C Titi& eleh : 20#C
>u?u, : Cair ti,a& Berwarna
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Si=at )imia
arut ,alam air
Sta*il
Mu,ah ter*a&ar
The (terically hin,ere, tertiary *utyl %roup impart((ta*ility compare to primary an, (econ,aryalcohol(@ In re(ult7 the (olu*ility an, oi,ative(ta*ility characteri(tic( provi,e many in,u(trialapplication( a( a reaction an, proce(( (olvent an,
chemical interme,iate@ It i( u(e, a( a non-reactive(olvent =or chemical reaction(7 a non-(ur=actantcompati*ili5er =or many (olvent *len,(7 an, a non-corro(ive (olvent@
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SNT!SIS
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6ia%ramner%i
DC!4E4Br!2$
DC!4E4C8Br-8
2 !2$
DC!4E4C$
!28Br-8!2$
DC!4E4C$!8Br-
8!4$
Cner%
i
Ma?unya/ea&(i
Tran(i(i "
Tran(i(i 2
)ar*o&ation
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a?u/ea&(i
a?u /ea&(i SN"7 ,itentu&an oleh la?utahap "
/G&H/JG&HDC!4E4BrEJ
Tahap Penentu a?uC!4 CBrD E4 C!4 CD E4
Br-
-
t-butil bromida karbokation 3o
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Pen%aruh Stru&tur Terha,ap a?u/ea&(i SN"
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)e(ta*ilan)ar*o&ation
=e&In,u&(i
Ma&in *anya& %u%u( al&il
yan% teri&at pa,a atom&ar*on *ermuatan po(iti=7ma&in *anya& atom yan%,apat menye*ar&anmuatan po(iti=7 ma&in
men(ta*il&an &ar*o&ation
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=e& !am*atanSteri&
Tola& menola& antar %u%u(*ertam*ah Ma&in menam*ah ener%i,a(ar *ertam*ah Se,i&ittam*ahan ener%i untu&
mem*entu& &ar*o&ation
)e(ta*ilan)ar*o&ation
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Stereo&imia SN "
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ter(ier
primer
&ar*o&ation
poten(ial
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)ara&teri(ti&/ea&(i SN"
Su*(trat: ma&in (ta*il &ar*o&ation7ma&in mu,ah men%alami rea&(i SN"
'u%u( per%i
Nu&leoKl
Pelarut
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P/)MBAN'ANPMANFAATAN TBA
It i( u(e, a( a couplin% ai, =or =ormulatin% pe(tici,e(an, =ertili5er( in aLueou( (olution( without %eneratin%an emul(ion@
TBA wa( u(e, a( a =uel a,,itive =or hi%h octane
component to replace tetraethyl lea,@ TBA i( u(e, a( areaction (olvent a( well a( an interme,iate =or thepro,uct o= or%anic peroi,e(7 metal al&oi,e(@
Tert-*utyl %roup i( rea,ily cleave, un,er (tron%ly aci,iccon,ition(@ TBA i( a (ource to pro,uce al&ylate,
aromatic an, nitro%en compoun,( in mi, aci,iccon,ition(@ 6ehy,ration reactiono= TBA yiel,( i(o*utylene which i( the main raw materialo= MTB7 the mo(tly u(e, =uel oy%enate(@
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Tert-*utyl alcohol DTBAE i( a clear7 noncorro(ive liLui,@ It i(mi(ci*le with water a( well a( mo(t common or%anic
(olvent( an, =orm( a5eotrope@ The (terically hin,ere,tertiary *utyl %roup impart( (ta*ility compare to primaryan, (econ,ary alcohol(@ In re(ult7 the (olu*ility an,oi,ative (ta*ility characteri(tic( provi,e many in,u(trialapplication( a( a reaction an, proce(( (olvent an,chemical interme,iate@ It i( u(e, a( a non-reactive
(olvent =or chemical reaction(7 a non-(ur=actantcompati*ili5er =or many (olvent *len,(7 an, a non-corro(ive (olvent@ It i( u(e, in =ree ra,ical polymeri5ation(to ,i((olve monomer(@ TBA i( a main raw material o= tert-*utyl =unctional %roup in or%anic (ynthe(i(@ It i( u(e, a( acouplin% ai, =or =ormulatin% pe(tici,e( an, =ertili5er( in
aLueou( (olution( without %eneratin% an emul(ion@ TBAwa( u(e, a( a =uel a,,itive =or hi%h octane component toreplace tetraethyl lea,@ TBA i( u(e, a( a reaction (olventa( well a( an interme,iate =or the pro,uct o= or%anicperoi,e(7 metal al&oi,e(@ Tert-*utyl %roup i(rea,ily cleave, un,er (tron%ly aci,ic con,ition(@ TBA i( a
(ource to pro,uce al&ylate, aromatic an, nitro%en
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/e=eren(i
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