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Onye nrụpụta ezigbo ọnụ ahịa Triphenylmethane atọ isocyanate (ethyl acetate ngwọta) CAS: 141-78-6 ika: Desmodur_RE

nkowa nkenke:

Ngwakọta organic na usoro CH3COOCH2CH3.Ethyl acetate ngwọta mmiri na-enweghị ụcha nwere àgwà ụtọ na-esi ísì ụtọ (dị ka pear drops) ma na-eji ya na gluu, ntu ntu, decaffeinating tii na kọfị, na sịga (lee ndepụta nke mgbakwunye na sịga).Ihe ngwọta ethyl acetate bụ ester nke ethanol na acetic acid; A na-emepụta ngwọta ethyl acetate n'ọtụtụ buru ibu maka iji dị ka ihe mgbaze.Ngwakọta mmepụta kwa afọ na 1985 nke Japan, North America, na Europe dị ihe dị ka tọn 400,000.N'afọ 2004, e mepụtara ihe dị ka nde tọn 1.3 n'ụwa niile.

Isi: 141-78-6


Nkọwa ngwaahịa

Mkpado ngwaahịa

Ụdị okwu

AKOS BBS-00004223; MMỤỌ METHYLATED; METHYLATED SPIRIT ụlọ ọrụ; METHYLATED SPIRIT MINERALISED; METHYLCARBINOL; REAGENT mmanya na-egbu egbu;RARECHEM AL BI 0544;

Ngwa

A na-eji 1.Ethyl acetate mee ihe dị ka ihe mgbaze maka varnishes, lacquers, na nitrocellulose;dị ka ihe arụrụ arụ mkpụrụ ekpomeekpo;na nhicha akwa; na n'ichepụta silk na akpụkpọ anụ, senti, na ihe nkiri foto na efere (Merck 1996).A na-ejikarị ethyl acetate eme ihe dị ka ihe mgbaze na mmeghachi omume organic.Ihe mmetọ gburugburu ebe obibi;Ihe mmetọ nri.

A na-eji 2.Ethyl acetate mee ihe n'ụzọ bụ isi dị ka ihe mgbaze na diluent, na-amasị ya n'ihi ọnụ ala ya dị ala, obere nsị, na isi ísì ụtọ.Dịka ọmụmaatụ, a na-ejikarị ya ihicha bọọdụ sekit na ụfọdụ ihe na-ewepụ ntu ntu (acetone na acetonitrile na-ejikwa).A na-eji ihe mgbaze a na-ekpochapụ agwa kọfị na akwụkwọ tii. A na-ejikwa ya na-ese ihe dị ka ihe na-arụ ọrụ ma ọ bụ ihe siri ike.N'ime ihe nsure ọkụ na-esi ísì ụtọ, ọ na-apụ ngwa ngwa, na-ahapụ naanị ísì ísì na akpụkpọ ahụ.
3 – 1 - Ojiji ụlọ nyocha
N'ime ụlọ nyocha, ngwakọta nwere ethyl acetate na-ejikarị na kọlụm chromatography na mmịpụta.A naghị ahọrọ ethyl acetate dị ka ihe mgbaze mmeghachi omume n'ihi na ọ na-adịkarị mfe hydrolysis na trans esterification.
3 – 2 - Ime na mmanya
Ethyl acetate bụ ester kachasị na mmanya, ebe ọ bụ ngwaahịa nke organic acid na-agbanwe agbanwe - acetic acid, na mmanya ethyl na-emepụta n'oge ịgba ụka.Ihe na-esi ísì ụtọ nke ethyl acetate na-apụta ìhè na mmanya ndị na-eto eto ma na-enye aka n'echiche zuru ezu nke "mkpụrụ osisi" na mmanya.
3 – 3 - Onye na-ahụ maka igbu mmadụ
Na ngalaba nke entomology, ethyl acetate bụ asphyxiant dị irè maka iji na-achịkọta ụmụ ahụhụ na ọmụmụ ihe.N'ime ite igbu egbu nke eboro ethyl acetate, vapors ga-egbu ụmụ ahụhụ anakọtara (na-abụkarị okenye) ngwa ngwa n'emebighị ya.N'ihi na ọ bụghị hygroscopic, ethyl acetate na-emekwa ka ụmụ ahụhụ dị nro nke ọma iji kwe ka ịrị elu kwesịrị ekwesị maka nchịkọta.

3.Pharmaceutic enyemaka (flavor);mkpụrụ osisi artificial;ihe mgbaze maka nitrocellulose, varnishes, lacquers, na dopes ụgbọ elu;imepụta ntụ ntụ na-enweghị anwụrụ ọkụ, akpụkpọ anụ arụrụ arụ, ihe nkiri foto na efere, silk artificial, senti;ihicha akwa, wdg.

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Nkọwapụta

Ngwakọta

Nkọwapụta

Ọdịdị

Mmiri na-acha anụnụ anụnụ ma ọ bụ odo odo na-acha uhie uhie

Njupụta na 20 ° C

Ihe dịka 1.0 g/cm³

Viscosity na 20 Celsius C

Ihe dịka 3mPa.s

Nchọpụta nke NCO%

7.1± 0.2%

Nyocha nke triphenylmethane -4,4',4''-triisocyanate%

27±1%

Chlorobenzene fọdụrụnụ

≤0.5

Nkwakọ ngwaahịa

Ụgbọ njem logistics1
Ụgbọ njem logistics2

50kg / akpa

Nchekwa kwesịrị ịdị jụụ, kpọrọ nkụ na ikuku.

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