(2E)-2-Butene-1 4-diol (CAS# 821-11-4)
| Iimpawu ezinobungozi | Xn – Iyingozi |
| Iikhowudi zoMngcipheko | I-R22 – Iyingozi xa iginyiwe R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu. |
| Inkcazelo yoKhuseleko | S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo. S24/25-Kuphephe ukudibana nolusu namehlo. |
| WGK eJamani | 1 |
| RTECS | EM4970000 |
| FLUKA BRAND F IIKHOWUDI | 23 |
| Ikhowudi ye-HS | 29052900 |
Intshayelelo
(2E) -2-Butene-1,4-diol, eyaziwa nangokuthi (2E) -2-Butene-1,4-diol, i-organic compound. Oku kulandelayo yinkcazo yobume bayo, ukusetyenziswa, ukulungiswa kunye nolwazi lokhuseleko:
Indalo:
(2E)-2-Butene-1,4-diol lulwelo olungenambala okanye oluluthuthu olutyheli olunevumba elimnandi elikhethekileyo. Ifomula yayo yeekhemikhali yiC4H8O2 kwaye ubunzima bayo be-molecular yi-88.11g / mol. Inoxinano lwe 1.057g/cm³, indawo yokubila eyi 225-230 degrees celcius, kwaye iyanyibilika kwizinyibilikisi eziqhelekileyo ezifana namanzi, i-ethanol kunye ne-ether.
Sebenzisa:
(2E) -2-Butene-1,4-diol ineendlela ezininzi zokusetyenziswa kwishishini lemichiza. Ingasetyenziselwa njengendawo ephakathi kwi-organic synthesis, ukulungiselela ukulungiswa kwee-resin zokwenziwa, iingubo eziphambili, iidayi kunye ne-pharmaceutical intermediates kunye nezinye iikhompawundi. Ukongeza, inokusetyenziswa njenge-solvent kunye ne-surfactant kwishishini.
Indlela yokulungiselela:
Ukulungiswa kwe (2E) -2-Butene-1,4-diol kunokwenziwa ngeendlela ezahlukeneyo. Enye indlela eqhelekileyo kukuncitshiswa kweButenedioic acid. Oku kunciphisa kunokusebenzisa i-agent yokunciphisa njenge-hydrogen kunye ne-catalyst, okanye i-reactant yokunciphisa njenge-sodium hydride okanye i-sulfoxide.
Ulwazi ngoKhuseleko:
(2E) -2-Butene-1,4-diol yinto ekhuselekileyo phantsi kweemeko eziqhelekileyo zokusetyenziswa. Nangona kunjalo, njengekhemikhali, isenokubangela ukwenzakala emzimbeni womntu. Ukudibana nolusu, amehlo okanye ukuphefumla umphunga kunokubangela ukucaphuka kunye neentlungu zamehlo. Ngoko ke, xa uphatha kunye nokusebenzisa (2E) -2-Butene-1,4-diol, amanyathelo afanelekileyo okhuseleko kufuneka athathwe, njengokugqoka iiglavu zokukhusela kunye nezixhobo zokukhusela amehlo, kunye nokuqinisekisa indawo yokusebenza enomoya. Ngelo xesha, kufuneka igcinwe kude nomlilo kwaye ugweme ukudibanisa nee-oxidants ezinamandla. Funa unyango ngokukhawuleza ukuba ubambe okanye utye ngempazamo.
