2-Fluoropyridine-5-carboxaldehyde (CAS# 677728-92-6)
Matšoao a Kotsi | Xi - Ea halefisang |
Li-ID tsa UN | 1993 |
Tsebiso ea Kotsi | E tenang |
Sehlopha sa Likotsi | 3 |
Sehlopha sa ho paka | Ⅲ |
Selelekela
Ke motsoako oa manyolo o nang le foromo ea molek'hule C6H4FN, e hlophisitsoeng ka mokhoa o hlophisitsoeng ke sehlopha sa 5-formaldehyde ho lesale la 2-fluoropyridine. E latelang ke tlhaloso e qaqileng ea thepa, tšebeliso, litokisetso le tlhahisoleseding ea polokeho ea motsoako:
Tlhaho:
-Ponahalo: Mokelikeli o se nang 'mala kapa o mosehla o bobebe.
-Solubility: E qhibiliha ka har'a metsoako e mengata ea tlhaho, joalo ka ethanol, acetone, joalo-joalo.
- Sebaka sa ho qhibiliha: hoo e ka bang -5°C.
- Sebaka se belang: hoo e ka bang 135 ℃.
- Matla a khoheli: hoo e ka bang 1.214g/cm³.
-Litaba: Bohloeki hangata bo ka holimo ho 95%.
Sebelisa:
-e na le thuso joalo ka ntho e qalang kapa e bohareng ho organic synthesis.
-E atisa ho sebelisoa lefapheng la meriana ho lokisetsa lithethefatsi, tse kang li-antipsychotics le li-anti-antineoplastic.
-Motsoako o ka boela oa sebelisoa ho lokisa chefo e bolaeang likokoanyana, sensitizers, dae, joalo-joalo.
Mokhoa oa ho itokisa:
Ho na le mekhoa e 'meli ea mantlha ea ho itokisa:
1. karabelo ea iodine ea pyridine le cyanide, ebe karabelo ea fluorination, 'me qetellong e eketsa sehlahisoa sa formaldehyde.
2. pyridine e sebetsana le methane le boron trifluoride ho theha 2-methylpyridine, joale karabelo ea fluorination e etsoa, 'me formaldehyde e eketsoa ho fumana pyridine.
Lintlha tsa Tšireletseho:
- Tekanyo e itseng ea ho teneha le ho senya, e lokela ho qoba ho kopana le letlalo, mahlo le tsela ea ho hema.
-Latela mekhoa e nepahetseng ea ts'ireletso nakong ea tšebeliso le polokelo.
- Sebelisa sebakeng se nang le moea o motle 'me u apare lisebelisoa tse nepahetseng tsa ts'ireletso, joalo ka liatlana, likhalase le liaparo tsa tšireletso.
-Ha u kopana, hlatsoa hang-hang ka metsi a mangata 'me u batle ngaka.
-Mokelikeli le litšila li lokela ho lahloa ho latela melao ea lehae.