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Nyanzvi mukugadzira propargyl doro, 1,4 butynediol uye 3-chloropropyne.

Pale yero ine muchetura zvakanyanya mvura 1,4-butynediol

Tsanangudzo Pfupi

1,4-butynediol yakasimba, kemikari formula C4H6O2, white orthorhombic crystal.Soluble mumvura, asidhi, ethanol uye acetone, isinganyunguriki mubenzene uye ether.Inogona kutsamwisa mucous membrane, ganda uye chepamusoro chekufema kwemaziso.Muindasitiri, 1,4-butynediol yakasimba inogadzirwa zvakanyanya neReppe nzira, yakagadziriswa nebutynediol mhangura kana mhangura bismuth catalyst, uye inogadzirirwa nekuita kweacetylene uye formaldehyde pasi pekumanikidzwa (1 ~ 20 bar) uye kupisa (110 ~ 112 ° C) .Iyo isina kuchena butynediol inowanikwa kuburikidza nekuita, uye chigadzirwa chakapedzwa chinowanikwa kuburikidza nekuisa pfungwa uye kunatswa.


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1, 4 butynediol inonyanya kushandiswa:ye organic synthesis, inoshandiswa se electroplating inopenya.

1,4-butynediol inogona kushandiswa kubudisa butene glycol, butanediol, n-butanol, dihydrofuran, tetrahydrofuran γ- Mutsara wezvinhu zvakakosha zvehupenyu zvakadai sebutyrolactone uye pyrrolidone zvinogona kushandiswa zvakare kugadzira mapurasitiki ekugadzira, mafiber ekugadzira (nylon-4). ), dehwe rekugadzira, mushonga, mishonga yezvipembenene, zvinonyungudutsa (N-methyl pyrrolidone) uye zvinodzivirira.

Chitarisiko:chena kana yakareruka yero kristaro chena rhombic crystal (yero yero mushure mekutora mwando)_ poindi:58℃Boiling_ point 238℃,145℃(2kPa)flash_Poindi 152 ℃ refractive index 1.450 solubility inonyungudika mumvura, acid solution,ethanol zvishoma,ethanol chloroform, isinganyunguriki mubenzene uye ether zvimwe zvinhu solid butynediol iri nyore kuita deliquesce mumhepo pa25 ° C, ine kemikari yebinary primary alcohol, uye inogonawo kuita kuwedzera reaction.

Njodzi dzemuviri nemakemikari:kana paine kupisa kwakanyanya, moto wakavhurika kana kusanganiswa neoxidant, pane njodzi yekupisa uye kuputika kuburikidza nekukwesha nekukanganisa.Pakupisa kwepamusoro, kana yakasvibiswa nemercury munyu, asidhi yakasimba, alkaline pasi simbi, hydroxide uye halide, kuputika kunogona kuitika.

Kuchengetedza:chengetera muimba inotonhorera inofefetera uye inofefetera.Ramba kure nemoto nekupisa.Package sealing.Ichachengetwa zvakasiyana kubva kune oxidants, alkalis uye makemikari anodyiwa, uye yakasanganiswa yekuchengetedza haibvumirwe.Kuputika kwemwenje wemwenje uye mhepo yekufefetera ichagamuchirwa.Zvinorambidzwa kushandisa michina michina uye maturusi ari nyore kugadzira sparks.Nzvimbo yekuchengetera ichave yakashongedzerwa nezvinhu zvakakodzera kuti ive nekudonha.

Iyo kambani Henan Haiyuan Fine Chemical Co., Ltd.1,4-butynediol yakasimba, nyowani isina deliquescence, yakanakisa mhando.


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