Igama leMchiza:I-1,3-Dimethylurea
Ifomula yemolekyuli:C3H8N2O
Ubunzima beMolekyuli:88.11
Ulwakhiwo:
Inombolo yeCAS: 96-31-1
Inkcazo
Imbonakalo:Okumhlophe okuqinile
Isivavanyi(HPLC):95.0% min
Ubushushu obunyibilikayo: 102°C min N-methyluren(HPLC) 1.0% max
Amanzi: 0.5% max
I-Pharmaceutical intermediates, ekwasetyenziswa kwimveliso ye-fiber treatment agent.Isetyenziselwa amayeza ukwenza i-theophylline, i-caffeine kunye ne-nificaran hydrochloride.
(1) igesi ye-methylamine igqithiselwa kwi-urea etyhidiweyo, kwaye igesi ye-ammonia ekhutshiweyo iyafunxwa kwaye ibuyiselwe.Emva kokuba imveliso yokusabela ipholile, ithathwa kwaye iphinde ifakwe kwakhona.
(2) i-carbon dioxide yalungiswa yi-gas-solid catalytic reaction kunye ne-monomethylamine.
(3) ukusabela kwe-methyl isocyanate kunye ne-methylamine.
Ukupakishwa kunye noGcino
Ukupakisha nge 25kg bag, okanye Gcina kuphela kwisikhongozeli sokuqala kwindawo epholileyo engena umoya.Zigcine kude kwizinto ezingahambelaniyo.Izikhongozeli ezivulwayo kufuneka zivulwe ngononopheloivaliwe kwaye igcinwe nkqo ukunqanda ukuvuza.Gwema ixesha elide lokugcina.
Amanqaku
Ulwazi lwemveliso kuphela lwereferensi, uphando kunye nokuchonga.Asiyi kuthwala uxanduva okanye ingxabano yelungelo elilodwa lomenzi wechiza.
Ukuba unayo nayiphi na imibuzo kubugcisa okanye ekusebenziseni, nceda uqhagamshelane nathi ngexesha.