Tetraethylenepentamine, wanda kuma aka sani da tritetraethylenediamine, wanda aka gajarta da TEPA, ruwan rawaya ne ko ja-orange mai ɗanɗano. Sauƙi mai narkewa a cikin ruwa, ethanol da mafi yawan kaushi na halitta, wanda ba a iya narkewa a cikin benzene da ether.Yana da sauƙin sha ruwa da carbon dioxide a cikin iska. Alkalin. Ana samun shi ta hanyar amination thermal da ammonolysis dauki tsakanin dichloroethane da ammonia, neutralizing da alkali sa'an nan distilling a karkashin rage matsa lamba. An yi amfani da shi azaman bayani mai tsayayye na chromatography na iskar gas don zaɓin riƙewa da rabuwar littafin sinadarai na alcohols, amines, pyridine, quinoline, piperazine, thiols da ruwa. Ana amfani dashi a cikin resins na musayar anion, lubricating additives mai, abubuwan da ake amfani da su na man fetur, kuma ana amfani da su azaman maganin maganin guduro na epoxy, vulcanization na roba, da dai sauransu.

Manufar

:Tetraethylene pentamine za a iya amfani da hadaddun titration na jan karfe, tutiya da nickel ta halin yanzu endpoint hanya, saponification na acidic abubuwa, roba roba da guduro gas tsarkakewa da dehydration wakili. Har ila yau, ana amfani da su azaman additives, magunguna, accelerators, da dai sauransu.

Hanyar samarwa:

Wannan samfurin haɗin gwiwa ne na ethylenediamine, diethylenetriamine, triethylenetetramine, da polyethylenepolyamine. Don ƙa'idodin samarwa da ayyuka, da fatan za a koma zuwa ethylenediamine. Duk da haka, zafin jiki na ammonolysis yana buƙatar zama 160 zuwa 250 ° C, kuma matsa lamba ya kamata ya kasance sama da 4.0MPa. Distill da danyen samfurin polyamine karkashin rage matsa lamba, tattara ɓangarorin a 160-210 ° C karkashin matsa lamba na 1.3kPa, da samun ƙãre samfurin Chemicalbook na tetraethylpentamine bayan sanyaya. Hanyar tacewa: Dehydrate da ƙarfe na ƙarfe ko sodium sulfate mai anhydrous sannan kuma a juye juzu'i a ƙarƙashin rage matsi. Hakanan zaka iya narkar da 150g na tetraethylenepentamine a cikin 300ml na 95% ethanol, kuma a hankali a sauke a cikin 180mL na hydrochloric acid mai hankali yayin sanyaya, kiyaye zafin jiki ƙasa 20 ° C. Tace farar hazo, a sake sake shi sau uku tare da cakuda ethanol da ruwa, a wanke da ether, sannan a bushe a karkashin injin ruwa don samun tsantsar tetraethylenepentamine hydrochloride.

yanayi

CAS Lamba 112-57-2

Tsarin kwayoyin halitta C8H23N5

Nauyin kwayoyin halitta 189.3

EINECS Lamba 203-986-2

Matsayin narkewa -40°C (lit.)

Matsayin tafasa 340 ° C

Yawaita 0.998g/ml a 25°C (lit.)

Yawan tururi 6.53

Fihirisar mai jujjuyawa n20/D1.505 (lit. .)

Wurin walƙiya 365°F

Yanayin ajiya Ajiye a ƙasa+30°

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