Ingoa matū:1,3-Dimethylurea
Tātai rāpoi:C3H8N2O
Taumaha rāpoi:88.11
Hanganga:
Tau CAS: 96-31-1
Whakatakotoranga
Te ahua: Maamaa ma
Whakamātautau(HPLC):95.0% min
Te Mahana Whakarewa: 102°C min N-methyluren(HPLC) 1.0% te teitei
Wai: 0.5% te teitei
Ko nga takawaenga rongoa, ka whakamahia ano hoki i roto i te hanga o te muka maimoatanga agent.It whakamahia i roto i te rongoa ki te synthesize theophylline, kawhe me te nificaran hydrochloride.
(1) ka tukuna te hau methylamine ki roto i te Urea whakarewa, ka ngohia te hau haukini i tukuna, ka hoki mai ano.I muri i te whakamataonga o te hua tauhohenga, ka tangohia ki waho ka whakahiatotia.
(2)I whakaritea te waro hauhaa e te tauhohenga catalytic hau-totoka me te monomethylamine.
(3) tauhohenga o te methyl isocyanate me te methylamine.
Mōkī me te Rokiroki
Te takai me te peeke 25kg, me pupuri ranei i roto i te ipu taketake ki te waahi hauhautanga pai.Mawehe atu i nga mea hotokore.Ko nga ipu ka whakatuwherahia me tupatoka hiritia, ka noho tonu kia kore e pakaru.A ape i nga wa rokiroki roa.
Notes
Ko nga korero hua mo te tohutoro, rangahau me te tautuhi.Kaore matou e kawe i te kawenga, i te tautohetohe patent ranei.
Mena kei a koe etahi patai mo te hangarau me te whakamahi ranei, tena koa whakapiri mai ki a maatau.