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Hua

He mea motuhake ki te hanga waipiro propargyl, 1,4 butynediol me te 3-chloropropyne

Kowhai kowhai he wai tino paitini 1,4-butynediol

Whakaahuatanga Poto:

1,4-butynediol totoka, tātai matū C4H6O2, karaihe orthorhombic ma.Ka whakarewahia ki te wai, te waikawa, te waihano me te acetone, kare e rewa ki te benzene me te etera.Ka whakapataritari i te mucous membrane, te kiri me te rewharewha o runga o nga kanohi.I roto i te ahumahi, 1,4-butynediol totoka te nuinga rite te tikanga Reppe, catalyzed e butynediol parahi konukura bismuth whakakōkī ranei, ka rite i te tauhohenga o acetylene me formaldehyde i raro i te pēhanga (1 ~ 20 pae) me te whakawera (110 ~ 112 ° C). .Ko te butynediol masivesivá ka riro ma te tauhohenga, a ko te hua kua oti ka riro ma te kukū me te whakamahine.


Taipitopito Hua

Tohu Hua

Whakaahuatanga Hua

1, 4 nga whakamahinga matua o te butynediol:mo te whakahiato waro, ka whakamahia hei whakamarama hiko.

Ka taea te whakamahi i te 1,4-butynediol ki te whakaputa butene glycol, butanediol, n-butanol, dihydrofuran, tetrahydrofuran γ- Ka taea te whakamahi i te raupapa o nga hua koiora nui penei i te butyrolactone me te pyrrolidone ki te hanga i nga kirihou waihanga, nga muka waihanga (nylon-4 ), hiako horihori, rongoa, pesticides, solvents (N-methyl pyrrolidone) me nga rongoa.

Te ahua:he ma, he kowhai marama ranei, he karaihe rhombic ma (he kowhai marama i muri i te makuku kohi)_ ira: 58 ℃ ira 238 ℃ , 145 ℃ (2kPa ) flash_ ira 152 ℃ taupū huritao 1.450 wairewa wairewa i roto i te wai, wairewa waikawa, waiwaro me te paku wairewa i roto chloroform, kare e rewa i roto i te benzene me te ether etahi atu taonga totika butynediol he ngawari ki te whakaheke i te hau i te 25 ° C, kei a ia nga ahuatanga matū o te waipiro tuatahi, ka taea hoki te kawe i te tauhohenga taapiri.

Ngā mōrearea ā-tinana me te matū:i te mea he wera nui, he ahi tuwhera, he konatunatua ranei ki te waikura, ka tupono te ngingiha me te pahū ma te waku me te paahitanga.I te teitei o te pāmahana, ki te pokea e te tote mēkuri, te waikawa kaha, te whakarewa whenua kawakore, te hauwai me te halide, ka pahū pea.

Ngā tūpato rokiroki:rokiroki i roto i te whare putunga hauhautanga me te hau.Kia matara atu i te ahi me te puna wera.Te hiri mokete.Me penapena motuhake mai i nga waikura, nga kawakore me nga matū kai, kaore e whakaaetia te rokiroki whakauru.Ko nga rama rama me nga whakaurunga hau ka tangohia.Karekau te whakamahi i nga taputapu miihini me nga taputapu ngawari ki te whakaputa korakora.Ko te waahi rokiroki me whakauru ki nga rauemi e tika ana hei pupuri i te rerenga.

He waahi mo te Henan Haiyuan Fine Chemical Co., Ltd.:1,4-butynediol totoka, hou kahore he deliquescence, kounga pai.


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