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imveliso

I-Ethyl crotonate(CAS#623-70-1)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H10O2
IMisa yeMolar 114.14
Ukuxinana 0.918g/mLat 25°C(lit.)
Indawo yokunyibilika 37.22°C (uqikelelo)
Indawo yeBoling 142-143°C(lit.)
Indawo yokuflasha 36°F
Inombolo yeJECFA 1806
Ukunyibilika kwamanzi AKUNQULISIWE
Uxinzelelo loMphunga 65 hPa (50 °C)
Ukuxinana komphunga 3.9 (vs umoya)
Imbonakalo Ulwelo
Umbala Icacile engenambala
Merck 14,2597
I-BRN 635834
Imeko yoGcino Gcina ngaphantsi +30°C.
Uzinzo Izinzile. Inokutsha kakhulu. Ayihambelani ne-oxidizing agents ezinamandla.
Refractive Index n20/D 1.424(lit.)
IiPropati zoMzimba kunye nezeMichiza Ulwelo olungenambala ukuya kolutyheli. Indawo yokubilisa i-136 degrees C, i-flash point 22 degrees Celsius. Inevumba elibukhali leasidi kunye nevumba leziqhamo, kunye nencasa yerum kunye ne-ether. Iimveliso zendalo zifumaneka kwii-apile, ipapaya, amaqunube, irum, iwayini kunye nekoko.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R11 – Iyatsha kakhulu
I-R34 – Ibangela ukutsha
R36 – Iyandicaphukisa emehlweni
Inkcazelo yoKhuseleko S16 – Gcina kude kwimithombo yomlilo.
S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso.
S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa iingcebiso zonyango ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.)
S9 – Gcina isikhongozeli kwindawo engenamoya.
S33 -Thatha amanyathelo okhuseleko ngokuchasene nokukhutshwa okungatshintshiyo.
Izazisi ze-UN UN 1862 3/PG 2
WGK eJamani 2
RTECS GQ3500000
I-TSCA Ewe
Ikhowudi ye-HS 29161980
IKlasi yeeNgozi 3
Iqela lokuPakisha II
Ubutyhefu I-LD50 ngomlomo kuMvundla: 3000 mg / kg

 

Intshayelelo

I-Ethyl trans-butenoate yi-organic compound. Oku kulandelayo sintshayelelo kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwekhompawundi:

 

Umgangatho:

I-Ethyl trans-butenoate lulwelo olungenambala kunye nevumba elikhethekileyo. Ixinene kancinci kunamanzi anoxinzelelo lwe-0.9 g/mL. I-Soluble kwiintlobo ezahlukeneyo ze-solvents eziphilayo, ezifana ne-ethanol, i-ethers kunye ne-naphthenes, kwiqondo lokushisa.

 

Sebenzisa:

I-Ethyl trans-butenate ineendlela ezahlukeneyo zokusetyenziswa kwishishini lemichiza. Olona setyenziso luqhelekileyo luyinto ephakathi kwi-organic synthesis yokulungiswa kwezinye iikhompawundi ze-organic, ezifana ne-oxalates, i-ester solvents kunye ne-polymers. Isenokusetyenziswa njengokwaleka, izincedisi zerabha, kunye nezinyibilikisi.

 

Indlela:

Indlela yokulungiselela i-trans-butenoate ethyl ester ngokuqhelekileyo ifunyenwe ngokusabela kwe-trans-butenoic acid kunye ne-ethanol. Le mveliso ifunyenwe ngokufudumeza i-trans-butenic acid kunye ne-ethanol phantsi kweemeko ze-acidic ukwenza i-ester.

 

Ulwazi ngoKhuseleko:

I-Ethyl trans-butenoate iyacaphukisa amehlo kunye nolusu kwaye inokubangela ukudumba kwamehlo kunye nolusu. Ukuphefumla imiphunga yayo kufuneka kugwenywe xa ubamba i-compound, kwaye imisebenzi kufuneka iqhutywe kwindawo enomoya. Xa ugcina, kufuneka ubekwe kwisitya esingenawo umoya, kude ne-ignition kunye ne-oxidizers.

 


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