Mokelikeli o mosehla o chefo haholo 1,4-butynediol

Tlhaloso e Khutšoanyane:

1,4-butynediol e tiileng, foromo ea lik'hemik'hale C4H6O2, kristale e tšoeu ea orthorhombic.E qhibiliha ka metsing, asiti, ethanol le acetone, e sa qhibilihe ka har'a benzene le ether.E ka halefisa lera la mucous, letlalo le karolo e ka holimo ea ho hema ea mahlo.Indastering, 1,4-butynediol solid e lokisoa haholo ke mokhoa oa Reppe, e hlahisoang ke butynediol koporo kapa koporo ea bismuth catalyst, mme e lokiselitsoe ka karabelo ea acetylene le formaldehyde tlasa khatello (1 ~ 20 bar) le ho futhumatsa (110 ~ 112 ° C) .Butynediol e tala e fumanoa ka karabelo, 'me sehlahisoa se felileng se fumanoa ka ho tsepamisa maikutlo le ho hloekisoa.

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Tlhaloso ea Sehlahisoa

1, 4 ts'ebeliso ea mantlha ea butynediol:bakeng sa organic synthesis, e sebelisoang e le electroplating brightener.

1,4-butynediol e ka sebelisoa ho hlahisa butene glycol, butanediol, n-butanol, dihydrofuran, tetrahydrofuran γ- Letoto la lihlahisoa tsa bohlokoa tsa manyolo tse kang butyrolactone le pyrrolidone li ka sebelisoa hape ho etsa polasetiki ea maiketsetso, likhoele tsa maiketsetso (nylon-4). ), letlalo la maiketsetso, meriana, chefo e bolaeang likokoanyana, li-solvents (N-methyl pyrrolidone) le li-preservatives.

Ponahalo:kristale e tšoeu kapa e bobebe ea kristale e tšoeu ea rhombic (bosehla bo bobebe ka mor'a ho monya mongobo)_ ntlha：58℃Boiling_ point 238℃，145℃(2kPa)flash_ Point 152 ℃ refractive index 1.450 solubility e qhibilihang ka metsing, tharollo ea asiti, e qhibilihang hanyenyane ka metsing, e nang le ethanol haholo, chloroform, e sa keneng ka har'a benzene le lintho tse ling tsa ether e tiileng butynediol e bonolo ho jeoa ke bolutu moeeng ka mocheso oa 25 ° C, e na le lik'hemik'hale tsa joala ba mantlha ba binary, 'me e ka boela ea kenya letsoho.

Likotsi tsa 'mele le tsa lik'hemik'hale:ha ho e-na le mocheso o phahameng, mollo o bulehileng kapa o kopantsoe le oxidant, ho na le kotsi ea ho tuka le ho phatloha ka lebaka la khohlano le tšusumetso.Ka mocheso o phahameng, haeba o silafalitsoe ke letsoai la mercury, acid e matla, tšepe ea alkaline ea lefats'e, hydroxide le halide, ho phatloha ho ka 'na ha etsahala.

Litlhokomelo tsa polokelo:boloka sebakeng sa polokelo se phodileng se nang le moya o pholileng.Qoba hole le mollo le mohloli oa mocheso.Ho tiisa sephutheloana.E tla bolokoa ka thoko ho li-oxidants, alkalis le lik'hemik'hale tse jeoang, 'me polokelo e tsoakiloeng e ke ke ea lumelloa.Ho tla amoheloa lisebelisoa tse thibelang ho phatloha le lisebelisoa tsa moea.Ho thibetsoe ho sebelisa lisebelisoa tsa mechine le lisebelisoa tse bonolo ho hlahisa litlhase.Sebaka sa polokelo se tla hlomelloa ka lisebelisoa tse loketseng ho thibela ho lutla.

Henan Haiyuan Fine Chemical Co., Ltd.1,4-butynediol e tiileng, e ncha ntle le deliquescence, boleng bo botle haholo.

E fetileng: 1,4 butynediol e tiileng sehlahisoa se phahameng

E 'ngoe: 3-chloropropyne metsi a chefo haholo a se nang 'mala

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