Tetraethylenepentamine, wanda aka fi sani da tritetraethylenediamine, wanda aka rage wa suna TEPA, ruwa ne mai launin rawaya ko ja-orange. Yana narkewa cikin sauƙi a cikin ruwa, ethanol da yawancin sinadarai na halitta, ba ya narkewa a cikin benzene da ether. Yana shan ruwa da carbon dioxide cikin sauƙi a cikin iska. Alkaline. Ana samunsa ta hanyar amsawar zafi da ammonolysis tsakanin dichloroethane da ammonia, yana hana shi narkewa da alkali sannan yana narkewa a ƙarƙashin matsin lamba mai raguwa. Ana amfani da shi azaman maganin gas chromatography mai tsayawa don riƙewa da zaɓi da kuma rabuwa da alcohols, amines, pyridine, quinoline, piperazine, thiols da ruwa. Ana amfani da shi a cikin resins na anion, ƙarin mai mai shafawa, ƙarin mai, kuma ana amfani da shi azaman wakilai na warkar da resin epoxy, masu haɓaka vulcanization na roba, da sauransu.
Manufa
: Ana iya amfani da Tetraethylene pentamine don haɗakar sinadarin jan ƙarfe, zinc da nickel ta hanyar amfani da hanyar ƙarshe ta yanzu, saponification na abubuwa masu acidic, tsarkake roba da resin gas na roba da kuma maganin bushewar jiki. Haka kuma ana amfani da shi azaman ƙari, maganin warkarwa, masu hanzartawa, da sauransu.
Hanyar samarwa:
Wannan samfurin haɗin gwiwa ne na ethylenediamine, diethylenetriamine, triethylenetetramine, da polyethylenepolyamine. Don ƙa'idodin samarwa da ayyukan da ake yi, da fatan za a koma ga ethylenediamine. Duk da haka, zafin amsawar ammonolysis yana buƙatar kasancewa daga 160 zuwa 250°C, kuma matsin lambar ya kamata ya kasance sama da 4.0MPa. Rage samfurin polyamine mai ɗanɗano a ƙarƙashin matsin lamba mai raguwa, tattara sassan a 160-210°C ƙarƙashin matsin lamba na 1.3kPa, kuma sami samfurin da aka gama Littafin Kimiyya na tetraethylpentamine bayan sanyaya. Hanyar tsaftacewa: Sha ruwa da ƙarfe sodium ko anhydrous calcium sulfate sannan a raba shi ƙarƙashin matsin lamba mai raguwa. Hakanan zaka iya narkar da 150g na tetraethylenepentamine a cikin 300mL na 95% ethanol, sannan a hankali a rage 180mL na sinadarin hydrochloric acid mai yawa yayin sanyaya, yana kiyaye zafin jiki ƙasa da 20°C. Tace farin ruwan da ke cikinsa, sake sake shafa shi sau uku da cakuda ethanol da ruwa, a wanke da ether, sannan a busar da shi a ƙarƙashin injin tsotsa don samun tetraethylenepentamine hydrochloride mai tsabta.
yanayi
Lambar CAS 112-57-2
Tsarin kwayoyin halitta C8H23N5
Nauyin kwayoyin halitta 189.3
EINECS Lamba 203-986-2
Wurin narkewa -40°C (haske)
Tafasawar 340°C
Yawan 0.998g/mL a 25°C (lit.)
Yawan tururi 6.53 (vsair)
Ma'aunin haske n20/D1.505 (lit..)
Wurin walƙiya 365°F
Yanayin Ajiya A adana a ƙasa+30°
Bayanin hulda
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