ethyl 4,4,4-trifluoroacetoacetate CAS: 372-31-6

Ethyl 4,4,4-trifluoroacetoacetate, tseem hu ua ethyl trifluoroacetoacetate, yog ib yam kua tsis muaj xim uas muaj ntxhiab tsw qab thiab txiv hmab txiv ntoo. Nrog rau cov mis tshuaj C6H6F3O3, nws ua lub luag haujlwm tseem ceeb hauv ntau yam kev siv hauv kev lag luam vim nws cov khoom siv tshuaj sib txawv. Cov Khoom Ethyl 4,4,4-trifluoroacetoacetate muaj cov qauv uas pawg trifluoromethyl (-CF3) txuas nrog lub hauv paus β-ketoester, thiab ib qho ntawm cov hydrogens raug hloov los ntawm pawg ethyl (-C2H5). Cov qauv kev teeb tsa no cuam tshuam rau nws cov yam ntxwv lub cev thiab tshuaj. Nws feem ntau nthuav tawm ua kua tsis muaj xim nrog lub ntsiab lus kub ib puag ncig 120 ° C thiab qhov ceev ntawm kwv yees li 1.35 g / cm³. Txawm hais tias me ntsis yaj hauv dej, nws yooj yim yaj hauv cov kuab tshuaj organic xws li ethanol thiab acetone. Siv Kev Lag Luam Tshuaj Tsw Qab: Ethyl 4,4,4-trifluoroacetoacetate muaj nqis heev hauv kev lag luam tshuaj tsw qab rau nws cov ntxhiab tsw qab thiab txiv hmab txiv ntoo. Nws siv dav hauv cov tshuaj tsw qab, colognes, thiab lwm yam khoom tsw qab kom muab cov ntawv tsw qab sib txawv. Kev Tsim Tshuaj: Cov tshuaj no ua haujlwm ua ib qho khoom siv nruab nrab hauv kev tsim cov organic. Nws koom nrog ntau yam kev tshuaj tiv thaiv los tsim cov khoom siv tseem ceeb rau cov tshuaj, agrochemicals, thiab cov tshuaj tshwj xeeb, vim nws cov tshuaj tiv thaiv tshwj xeeb. Cov Khoom Siv Txhim Kho Qab: Ntxiv rau nws lub luag haujlwm hauv cov tshuaj tsw qab, ethyl 4,4,4-trifluoroacetoacetate yog siv hauv kev lag luam zaub mov ua cov khoom siv txhim kho qab vim nws cov txiv hmab txiv ntoo aroma profile. Kev Tsim Ethyl 4,4,4-trifluoroacetoacetate tuaj yeem tsim los ntawm ntau txoj hauv kev. Ib txoj hauv kev dav dav cuam tshuam nrog kev tshuaj tiv thaiv ntawm ethyl acetoacetate thiab trifluoroacetic acid nyob rau hauv cov xwm txheej tswj hwm. Qhov kev tshuaj tiv thaiv no ua rau ethyl 4,4,4-trifluoroacetoacetate ua cov khoom tseem ceeb, uas tom qab ntawd tuaj yeem ua kom huv si kom ua tiav cov txiaj ntsig siab thiab kev huv si uas tsim nyog rau kev siv hauv kev lag luam. Hauv kev xaus lus, ethyl 4,4,4-trifluoroacetoacetate yog ib qho tshuaj sib xyaw ua ke uas tseem ceeb rau kev tsim tshuaj tsw qab, kev tsim tshuaj lom neeg, thiab ntau yam kev siv hauv kev lag luam. Nws cov yam ntxwv sib txawv, suav nrog kev yaj thiab cov qauv tshuaj tshwj xeeb, ua rau nws tsis tseem ceeb hauv ntau qhov chaw, pab txhawb rau kev tsim cov khoom siv rau cov neeg siv khoom thiab kev lag luam.