shafi_banner

Kayayyaki

Kwarewa a cikin samar da barasa na propargyl, 1,4 butynediol da 3-chloropropyne.

Kodadde rawaya ruwa mai guba 1,4-butynediol

Takaitaccen Bayani:

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.


Cikakken Bayani

Tags samfurin

Bayanin Samfura

1, 4 butynediol main amfani:ga kwayoyin halitta kira, amfani da matsayin electroplating brightener.

1,4-butynediol za a iya amfani da shi don samar da butene glycol, butanediol, n-butanol, dihydrofuran, tetrahydrofuran γ- Za a iya amfani da jerin abubuwa masu mahimmanci irin su butyrolactone da pyrrolidone don samar da robobi na roba, filaye na roba (nylon-4). ), fata na wucin gadi, magani, magungunan kashe qwari, kaushi (N-methyl pyrrolidone) da kuma abubuwan kiyayewa.

Bayyanar:farin ko haske rawaya crystal farin rhombic crystal (haske rawaya bayan danshi sha)_ aya:58 ℃Tafasa_ aya 238 ℃, 145 ℃(2kPa)flash_ Point 152 ℃ refractive index 1.450 solubility soluble a cikin ruwa, dan kadan soluble acid a cikin ruwa, ethanol bayani. chloroform, insoluble a benzene da ether sauran kaddarorin m butynediol ne mai sauki deliquesce a cikin iska a 25 ° C, yana da sinadaran Properties na binary primary barasa, da kuma iya gudanar da wani ƙarin dauki.

Hadarin jiki da sunadarai:idan akwai zafi mai zafi, bude wuta ko gauraye da oxidant, akwai hadarin konewa da fashewa ta hanyar rikici da tasiri.A matsanancin zafin jiki, idan gishiri na mercury, acid mai karfi, alkaline earth karfe, hydroxide da halide ya gurbata shi, fashewa na iya faruwa.

Kariyar ajiya:ajiya a cikin wani sanyi da kuma ventilated sito.Ka nisantar da wuta da tushen zafi.Kunshin rufewa.Za a adana shi daban daga oxidants, alkalis da sinadarai masu cin abinci, kuma ba za a yarda da ajiya mai gauraya ba.Dole ne a karɓi hasken wuta da wuraren samun iska.An haramta amfani da kayan aikin injiniya da kayan aiki masu sauƙi don samar da tartsatsi.Wurin ajiya ya kamata a sanye shi da kayan da suka dace don dauke da zubar da ruwa.

Abubuwan da aka bayar na Henan Haiyuan Fine Chemical Co., Ltd.1,4-butynediol m, sabo ba tare da deliquencence, m quality.


  • Na baya:
  • Na gaba:

  • Ku rubuta sakonku anan ku aiko mana