Imọ diẹ nipa AIBN (CAS: 78-67-1)

1.English orukọ:2,2′-Azobis(2-methylpropionitrile)

2.Awọn ohun-ini kemikali:

Awọn kirisita ọwọn funfun tabi awọn kirisita powdery funfun.Insoluble ninu omi, tiotuka ni Organic epo bi kẹmika, ethanol, acetone, ether, Petroleum ether ati aniline.

3.Idi:

Gẹgẹbi olupilẹṣẹ fun polymerization ti vinyl kiloraidi, Vinyl acetate, acrylonitrile ati awọn monomers miiran, bakanna bi oluranlowo foaming fun roba ati awọn pilasitik, iwọn lilo jẹ 10% ~ 20%.Ọja yii tun le ṣee lo bi oluranlowo vulcanizing, oogun iwe kemikali ogbin, ati agbedemeji ninu iṣelọpọ Organic.Ọja yii jẹ nkan oloro to gaju.Oral LD5017.2-25mg/kg ninu awọn eku le fa majele pataki si awọn eniyan nitori itusilẹ ti cyanide Organic lakoko jijẹ gbigbona.

4.Production ọna:

Acetone, hydrazine hydrate ati Sodium cyanide ti wa ni lilo bi awọn ohun elo aise: iwọn otutu ifasilẹ ti o wa loke jẹ 55 ~ 60 ℃, akoko ifarahan jẹ 5h, ati lẹhinna itutu si 25 ~ 30 ℃ fun 2h.Nigbati iwọn otutu ba lọ silẹ si isalẹ 10 ℃, a ṣe agbekalẹ chlorine ati pe iṣesi waye ni isalẹ 20 ℃ ni Iwe-kemikali.Ipin ohun elo jẹ: HCN: acetone: hydrazine=1L: 1.5036kg: 0.415kg.Acetone cyanohydrin fesi pẹlu hydrazine hydrate, ati lẹhinna oxidizes pẹlu omi chlorine tabi aminobutyronitrile pẹlu Sodium hypochlorite.

5.Initiation otutu ti initiator

AIBN jẹ olupilẹṣẹ Radical ti o dara julọ.Nigbati o ba gbona si iwọn 70 ° C, yoo decompose yoo tu silẹ nitrogen yoo ṣe ipilẹṣẹ ipilẹṣẹ ọfẹ (CH3) 2CCN.Iyatọ ọfẹ jẹ iduroṣinṣin to jo nitori ipa ti ẹgbẹ cyano.O le fesi pẹlu sobusitireti Organic miiran ki o ṣe atunbi sinu ipilẹṣẹ ọfẹ ọfẹ kan lakoko ti o npa ararẹ run, nitorinaa nfa iṣesi Pq ti awọn ipilẹṣẹ ọfẹ (wo Idahun Radical Ọfẹ).Ni akoko kanna, o tun le ṣe pọ pẹlu awọn ohun elo meji nipasẹ Kemikali lati ṣe agbejade tetramethyl Succinonitrile (TMSN) pẹlu majele ti o lagbara.Nigbati o ba ngbona AIBN si 100-107 ° C, o yo ati ki o faragba ni kiakia, itusilẹ gaasi nitrogen ati ọpọlọpọ awọn agbo ogun nitrile Organic majele, eyiti o tun le fa bugbamu ati ina.Laiyara decompose ni yara otutu ati ki o tọju ni isalẹ 10 ° C. Jeki kuro lati Sparks ati ooru awọn orisun.Oloro.Metabolized sinu hydrocyanic acid ninu awọn ẹran ara ẹranko gẹgẹbi ẹjẹ, ẹdọ, ati ọpọlọ.

6.Ipamọ ati awọn abuda gbigbe:

① Iyasọtọ majele: Majele

② Awọn abuda eewu ibẹjadi: le gbamu nigbati o ba dapọ pẹlu awọn oxidants;Rọrun lati oxidize, riru, jẹjẹ ni agbara labẹ ooru, ati gbamu Iwe Kemikali nigbati o gbona pẹlu heptane ati acetone.

③ Awọn abuda eewu flammability: Flammable ni iwaju ina ṣiṣi, awọn iwọn otutu giga, ati awọn aṣoju oxidizing;Decomposes flammable ategun nigbati fara si ooru;Sisun nmu ẹfin afẹfẹ nitrogen majele jade

④ Ibi ipamọ ati awọn abuda gbigbe: fentilesonu ile itaja, gbigbẹ iwọn otutu kekere;Tọju lọtọ lati oxidants

⑤ Aṣoju pipa: omi, iyanrin gbigbẹ, erogba oloro, foomu, 1211 oluranlowo pipa