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a(chn)Ʒ

“(lin)ϵ҂

“(lin)ϵ.jpg

Q(chng)ޭh(hun)Ƽ޹˾

“(lin)ϵˣ(jng)

Ԓ(hu)18071544231 

ַʡйI(y)@^ٜϾί(hu ) 


O
ǰλ: (y) > a(chn)Ʒ > O
ÓˮO

    xúÓˮOԌеˮַx(li)ɸˇÓˮˮֿ̎0.2%£ˮ2000ppm,̎ÿ0.5--50ɶ

   Чh(hun)

    ڂyxˇĤxܺĹs70%܄|(zh)xOȫԄ(dng)\CͶٻ؈


ַQ(chng)W(xu)ʽC4H8O2W(xu)ʽ88.11Ͷζ^ߕr(sh)д̼Ԛζד]l(f)һN;Vľa(chn)ƷЃ(yu)ܽ;VһNҪЙCԭϺ͹I(y)܄
՚ˮ־ˮ΢ˮcȷҴͪѻܽijЩ}(li)ȻȻȻ\ȻFȣ [1] 
  • ethyl acetate

  • e    

  • 

  • W(xu)ʽ

  • C4H8O2

  • 88.11 gmol−1

  • CAS̖

  • 141-78-6

  • EINECS̖

  • 205-500-4

  •     c(din)

  • -83.6

  •     c(din)

  • 77 C350.25 K

  • ˮ

  • 8.3 g/100 mL20 C

  •     

  • 0.902 g/mL

  •     ^(gun)

  • o(w)ɫҺw

  • W    c(din)

  • -4

  •     

  • ЙC㾫tˎИI(y)

  • ȫ

  • SS16-S26-S33

  • ΣUԷ̖

  • NFPA 704

  • ΣU

  • RR11-R36-R66-R67

  • UNΣU؛ホ̖

  • 32127

  • SMILES

  • CC(=O)OCC

  • ۹

  • 1.3720

  •     

  • 0.42625 C

  • żO

  • 1.78

  • ҪΣ

  • ȼд̼

  • Rc(din)

  • 250.1 C (523.26 K)

  • UN̖

  • 1173

  • RTECS

  • AH5425000

|(zh)Y

݋
ӽY
Ħʣ22.35
Ħwem3/mol98.0
ȏݣ90.2K216.0
揈dyne/cm23.5
Oʣ10-24cm38.86 [2] 

|(zh)

݋

|(zh)

^(gun)o(w)ɫҺw
ζЏҵƵĚζ`΢ľ־
ȼԣȼ
Wc(din)棩-4棨]7.2棨_(ki)
ȼض棩426
ը%2.0
ը%11.5
Сc(din)mJ0.46
ըMPa0.850
ճȣmPas,20oC0.45
c(din)棩77.2
ղL(chng)260nm
ܶ՚=13.04
ܶȣˮ=10.90
Rضȣ250.1棩
c(din)棩-83.6
۹20棩1.37081.3730
ܶȣˮ=10.894-0.898
ܶȣ՚=13.04
≺(kPa13.3327棩
ȼᣨkJ/mol2247.89
Rضȣ棩250.1
R牺(MPa3.83
/ˮϵČֵ0.73
ҜµķżOأ1.78D
ܽԣ΢ˮڴͪȷȶЙC܄ [2] 

W(xu)|(zh)

ַQ(chng)һNй܈F-COOR(li)̼c֮gpIǟo(w)ɫ͸д̼ԚζҺwһN;Vľa(chn)ƷЃ(yu)ܽ;VһNdzҪЙCԭϺ͹I(y)܄VwSһwSȻzϩ(sh)֬wS(sh)ϳzͿϼȵa(chn)^(gu)
Ҳܰl(f)Q߀ԭһĹͬcпs3-u-2-ͪcGrignardԇͪM(jn)һõ崼^290ӟ8~10Сr(sh)o(w)׃ͨ^(gu)tFܕr(sh)ֽϩͨ^(gu)ӟᵽ300~350\۷ֽɚһ̼̼ͪϩ360ͨ^(gu)ÓˮXɷֽˮϩ̼ͱͪ(jng)⾀(xin)ֽ55%һ̼14%̼31%ȿȼԚwcȩB(ti)ucl(f)uе⻯׷Ȼڳ„tӉŰl(f)ֽcȻһӟᵽ150c}(li)ɸNYԵďͺ@Щͺڟo(w)ˮҴˮˮ
cҴl(f)淴(hu )҂f(shu)ꐾƺܺúcҴɾйζ [2] 
ˮⷴ
ˮˮڕr(sh)ҲuˮҴ΢AܴM(jn)ˮⷴĉAˮcˮIJeAˮDzҲǷCпM(jn)cM(jn)
CH3COOCH2CH3+CH3OH⇌CH3COOCH3ʮCH3CH2OH
NH3+C2H5OOCCH3=C2H5OH+CH3CONH2

Ƃ䷽

݋

(sh)Ƃ

ȼҴټƬԷ ȻӟᣨԿƌ(sh)򞣩
עͶϱȴžҴ/ᣨweȣ=1.6
Ҵķʽ
ʽʽ
  • ע
1һ(g)Įa(chn)횱MʹķM(jn)һʹʹеһN^(gu)ڹI(y)a(chn)ʹķN^(gu)һҕԭǷ׵r(ji)ǷԼǷ׻յȾwrڌ(sh)һҴ^(gu)kҴ|(zh)֔Ҫo(w)ˮҴ|(zh)֔95%ҴЧ(hu )߻ʹõĝһֻҪʹ|(zh)_Ҵ|(zh)3%Ϳɴ߻ܳȥɵˮʹԶһЩ
2Ƃr(sh)ضȲ^(gu)ڱ60桫70֮gض^(gu)ߕr(sh)(hu )a(chn)Ѻ́ϩs|(zh)ҺwӟvСӟȿԇмƬƬԷֹҺw
3ܲҪ쵽Na2CO3Һȥֹڼӟ᲻Na2CO3ҺӟᷴԇҴcOˮ(hu )ɵ
4߻ˮ
5Na2CO3Һǣ
̼cҺpСˮеܽȣڷ֌ӣеܽеҴ
Na2CO3ܸ]l(f)ᷴɛ](mi)Кζc„ζ
6ɲȡ´ʩ
Ƃr(sh)ضȲ^(gu)
ʹ͟o(w)ˮҴͬr(sh)Ҵ^(gu)k
߻õĝС˳ȥɵˮҪԶҴ
ʹßo(w)C}Na2CO3ҺՓ]l(f)
7Na2CO3ÉANaOHԭmȻҲҴljA(hu )߻صˮŒ(sh)ʧ [3] 

I(y)Ƃ

  • ȩsϷ
ҴX߻0-20r(sh)ȩԄ(dng)sϳW(xu)ʽ£
2CH3CHO CH3COOC2H5
20o70ښWձȵγ˴Ҏģa(chn)ba(chn)ɱͭh(hun)oȷ(zh)@ă(yu)20o90҇g(sh)ĻAτ(sh)Ff(wn)I(y)Լg(sh)ָ˺͇ˮƽ߀вԓڴˮĹІ(wn)},׵õȞ99.5%ϵă(yu)ƷcֱԓЃ(yu)c(din)lغDʺʸԭϳɱ(jng)Ч@ԓȱc(din)һǴ߻Ƃ似g(sh)y^ˮױˮԓşᷴҪÜض^͵ı}ˮs [4] 
  • Ҵ
ԭϵā(li)ԴͳɱҴԭϵĺϳ·(xin)^r(ji)Ҵ䷴Cɷ֞ɷNpܴ߻wϵ
Ⅲc
Pd-Cu/ӺY߻ضȞ150Ҵ䷴C£
C2H5OH+½O2CH3CHO+ H2O Pd-Cu
CH3CHO+½O2CH3 COOH (Pd-Cu)
C2HOH+ CH3COOHCH3COOC2H5 + H2O ᣩ
o(w)Ⅲc
Cu/ CoO/ ZnO/ Al2O3߻ҴډAÓȩȩˮącͨ^(gu)Af(xi)ͬ绯ҴҴC£
C2H5OHCH3CHO+ H2(Ó)
2CH3 CHO+ H2OCHOH+ CH3COOH绯
C2HOH+ CH3COOHCH3COOC2 H5+ H2O  [5] 
  • ϩӳɷ
ؓdڶdwϵs}s߻ϩڷضȞ150 1.0MPa l·仯W(xu)ʽ£
CHCOOH+ C2 H4CH3COOC2H5150.1.0Mpa
^(gu)ڶιܠM(jn)ÿ֮g߷Ƹİl(f)ԓĆγDʞ66%ϩӋx94%ֱSϩԭܽa(chn)ɱS(zh)Ŀ˾_(ki)l(f)ԓa(chn)ˇ1998 ӡ~؅^ձѺ늹(zhun)g(sh)50 kt /a a(chn)b [6] 

Ҫ;

݋
1.B 276096ҎSʹõʳmmöݻ¶ˮ͵㾫^(li){r֮؄eˮ㾫ЈAЧmڙݮ^㽶Pϵʳ㾫㾫mʿķS׾Ƶ֮
2.ǑV֮֬һһN܄Ѓ(yu)ܽǘOõĹI(y)܄wSһwSȻzϩ(sh)֬wSwSᶡͺϳzҲڏӡCҺwwSīˮճӄ܄ϡጄS(li)(sh)֬ĸЧ܄Vīa(chn)ԇɫV˜|(zh)܄
3.ڼI(y)пϴʳƷI(y)пԾƾζȡ߀ˎ^(gu)̺ЙCȡҲȾˎϵԭ
3.zGFKyGFfK
4.x(li)r(sh)УضӋĘ˜|(zh)
5.о|(zh)
6.h(hun)rˎ