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1,4 butynediol m m samfurin
Saukewa: 110-65-6
Abubuwan sinadarai na butynediol: farin orthorhombic crystal.Matsayin narkewa 58 ℃, wurin tafasa 238 ℃, 145 ℃ (2KPa), ma'anar walƙiya 152 ℃, index refractive 1.450.Mai narkewa a cikin ruwa, maganin acid, ethanol da acetone, dan kadan mai narkewa a cikin chloroform, wanda ba a iya narkewa a cikin benzene da ether.
Amfani: butynediol za a iya amfani da shi don samar da butene glycol, butynediol, n-butanol, dihydrofuran, tetrahydrofuran γ- A jerin muhimman kwayoyin kayayyakin kamar butyrolactone da pyrrolidone za a iya kara amfani da samar roba roba, roba fibers (nylon-4), fata na wucin gadi, magani, magungunan kashe qwari, kaushi (N-methyl pyrrolidone) da abubuwan kiyayewa.Butynediol da kansa yana da ƙarfi mai kyau kuma ana amfani dashi azaman mai haske a masana'antar lantarki.
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Kodadde rawaya ruwa mai guba 1,4-butynediol
1,4-butynediol m, sinadarai dabara C4H6O2, farin orthorhombic crystal.Mai narkewa a cikin ruwa, acid, ethanol da acetone, wanda ba a iya narkewa a cikin benzene da ether.Yana iya fusatar da mucosa, fata da na sama na numfashi na idanu.A cikin masana'antu, 1,4-butynediol m ne yafi shirya ta hanyar Reppe, catalyzed by butynediol jan karfe ko jan bismuth kara kuzari, da kuma shirya ta dauki na acetylene da formaldehyde karkashin matsa lamba (1 ~ 20 bar) da dumama (110 ~ 112 ° C). .Ana samun danyen butynediol ta hanyar amsawa, kuma ana samun samfurin da aka gama ta hanyar maida hankali da tacewa.
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3-chloropropyne ruwa mai ƙonewa mara launi sosai
3-chlororopyne wani fili ne na kwayoyin halitta tare da tsarin tsarin ch ≡ cch2cl.Siffar ruwa ce mai ƙonewa mara launi.Matsayin narkewa -78 ℃, wurin tafasa 57 ℃ (65 ℃), ƙarancin dangi 1.0297, index refractive 1.4320.Filashin batu 32.2-35 ℃, kusan wanda ba a iya narkewa a cikin ruwa da glycerol, wanda ba zai iya jurewa da benzene, carbon tetrachloride, ethanol, ethylene glycol, ether da ethyl acetate.Ana samun shi ta hanyar amsa barasa na propargyl tare da phosphorus trichloride.An yi amfani da shi azaman tsaka-tsaki a cikin haɗin kwayoyin halitta.
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Ruwa mai guba sosai samfurin propargyl alcoho
Ruwa mara launi, mara ƙarfi tare da ƙamshi mai ƙamshi.Yana da sauƙin juya rawaya lokacin da aka sanya shi na dogon lokaci, musamman lokacin da aka fallasa shi zuwa haske.Yana da kuskure tare da ruwa, benzene, chloroform, 1,2-dichloroethane, ether, ethanol, acetone, dioxane, tetrahydrofuran da pyridine, wani sashi mai narkewa a cikin carbon tetrachloride, amma insoluble a aliphatic hydrocarbons.
Duk Samfura
Kwarewa a cikin samar da barasa na propargyl, 1,4 butynediol da 3-chloropropyne.
