p-Phenylene diamine; 1,4-diaminobenzene

crystal cad. Iftiinka ayuu guduudan yahay. U beddelo guduud hawada. Barta dhalaalka 140 ℃. Barta karkarinta 267 ℃. Waa la hoos marin karaa Waxoogaa ku milmay biyo qabow, ku milmay ethanol, ether, chloroform iyo benzene. Waxay la falgashaa asiidh-nolojiin si ay u samayso milix si fudud ugu milmay biyaha. Waxaa loo isticmaalaa soo saarista dheeha azo iyo dheeha baaruud, iwm, oo loo isticmaalo sida dheeha dhogorta (Fur Black D, Ursol D ama Fur Black D, Ursol D ama Fur Black D) iyo wakiilada horumarinta. Alaabtan waxa iska leh Qaybta 3 kansarka. Waxaa lagu soo saaraa hoos u dhigista p-nitroaniline.

Habka wax soo saarka

Waxaa lagu helaa iyadoo la dhimayo p-nitroaniline leh budada birta ee dhexdhexaadka acidic. Ku rid budada birta ah hydrochloric acid, kuleyli ilaa 90 ° C, oo ku dar p-nitroaniline markaad kareyso. Ka dib marka isku darka la dhammeeyo, ka fal celi 95-100°C ilaa 0.5 saacadood, ka dibna ku dar aashitada hydrochloric oo la xoojiyey si aad u dhamaystirto falcelinta dhimista buug-yaraha. Ka dib qaboojinta, ku dhex-dhafi xalka sodium carbonate saturated ilaa pH 7-8, karkari oo shaandhayso intaad kulul, oo ku dhaq keega shaandhada biyo kulul. Isku dar shaandhada iyo dareeraha dhaqida, xooga saar cadaadiska hoos u dhaca, crystallize adiga oo qaboojinaya ama ka saar cadaadiska hoos u dhaca si aad u hesho p-phenylenediamine oo leh 95%.

Waxyaabaha kiimikada

Magaca Shiinaha: p-Phenylenediamine
Magaca shisheeye: p-Phenylenediamine
Qaabka kiimikada: C6H8N2
Miisaanka molecular: 108.14
Lambarka diiwaangelinta CAS: 106-50-3
Barta dhalaalka: 139 ℃
muuqaalka: White ilaa kiristaalo lavender

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