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Khoom npe:N-butyl acetate

Molecular hom:C6h12O2

Cas:123-86-4

Khoom molecular qauv:

Cov Lus Qhia Tshwj Xeeb:

Tshuaj Tshuaj Muaj Zog:

N-Butyl acetate, tseem hu ua Butyl acetate, yog cov organic accounte, yog cov organic sib sau ua feem ntau siv raws li cov kuab tshuaj nyob hauv kev tsim cov lacquers thiab lwm yam khoom. Nws tseem raug siv los ua hluavtaws txiv ntoo tsw hauv cov khoom noj xws li khaub noom, mis nyuj khov, cheeses, thiab cov khoom ci. Butyl acetate muaj ntau hom txiv ntoo, qhov twg nrog rau lwm cov tshuaj nws imparts tus yam ntxwv tsw. Apples, tshwj xeeb tshaj yog cov liab qab qab ntau yam, yog fl tebed hauv ib feem los ntawm cov tshuaj no. Nws yog cov kua tsis muaj kob nrog kua uas tsw qab ntawm txiv tsawb.

Butyl acetate is a clear, flammable ester of acetic acid that occurs in n-, sec-, and tert- forms (INCHEM, 2005). Butyl acetate isomers muaj cov txiv hmab txiv ntoo, txiv tsawb-nyiam ntxhiab (Furia, 1980). Isomers ntawm butyl acetate muaj nyob hauv cov txiv av (Nicholas, 1973) thiab yog ib tug txiv hmab txiv ntoo, ua npias, fere thiab visscher, 1989). Butyl acette yog tsim los ntawm eserification ntawm kev haus cawv uas muaj acetic acid lossis acetic anhydride (biseti, 1994). N-Butyl acetate yog siv los ua cov kuab tshuaj rau nitrocellulose-based lacquers, inks, thiab cov nplaum. Lwm yam kev siv suav nrog kev tsim cov tawv tsiaj, duab zaj duab xis, kev nyab xeeb iav, thiab plastics (budavari, 1996). Isomers ntawm Butyl acetate kuj tau siv raws li cov kua cov neeg sawv cev, hauv cov khoom siv Manicure, thiab cov larvicides (bisesi, 1994). Lub Tert-isomer tau siv los ua roj av ntxiv (Budavari, 1996). Nws yuav raug siv los ua cov txiv hmab txiv ntoo cua ci hauv cov khaub noom, dej khov, cheeses, thiab cov khoom ci (dikysith, 2013).

Butyl acetate yog cov kua tsis muaj kob lossis cov kua daj nrog qhov muaj zog fruity tsw. Kev hlawv thiab tom qab ntawd qab qab qab qab qab qab qab nyob ntawm txiv puv luj. Nws tshwm sim nyob rau hauv ntau cov txiv hmab txiv ntoo thiab yog ib qho chaw ua yeeb yam ntawm Apple Aromas. Butyl acetectate yog incompatible nrog cov neeg sawv cev muaj zog, muaj zog acids, thiab cov hauv paus khov kho.
Muaj 4 isomers. Ntawm 20 ° C, lub ntom ntawm n-butyl omer yog 0.8825 g / cm3, thiab lub ntom ntawm lub sec-isomer yog 0.8758 g / cm3 (bisesi, 1994). Tus N-Butyl Isomer yog soluble nyob rau hauv feem ntau hydrocarbons thiab acetone, thiab nws yog me ntsis nrog ethanol, ethance ethanol, thiab chloroform (Heynes, 2010). Nws tau ploj mus ntau plastics thiab resins (Niosh, 1981).

Ntshiab, tsis muaj kua nrog lub zog fruity tsw zoo li tsawb. Qab zib saj raws li cov khoom siv qis (<30 μg / l). Kev sim txiav txim siab paub thiab pom cov ntxhiab Tsav tau muaj tseeb tau 30 μg / m3 (6.3 PPBV) thiab 18/3 (38 ppbv), ntsig txog (Hellman thiab me me, 1974). Cometto-mu? Iz li al. (2000) Qhia txog Nasal Pungency qhov ntsuas ntawm qhov ntsuas ntawm kwv yees li 550 txog 3,500 ppm.

Daim Ntawv Thov:

1, raws li ib qho txuj lom, muaj ntau tus txiv tsawb, pearsapples, apricots, txiv duaj, txiv pos nphuab, berries thiab lwm hom flavors. Nws kuj tseem siv tau los ua cov kuab tshuaj rau cov pos hniav thiab hluavtaws hluavtaws, thiab lwm yam.

2, siv roj hmab zoo rau cov tawv nqaij, tshuaj tiv thaiv kab mob, tshuaj ntsuab, tshuaj yas thiab yas ua Ntau cov roj av roj teeb thiab cov txheej txheem txheem tshuaj, kuj siv hauv spice compounding thiab ntau yam ntawm apricot, txiv tsawb, txiv neej thiab lwm cov tshuaj tsw qab thiab lwm cov tshuaj tsw qab.
3, siv los ua kev ntsuas tshuaj tiv thaiv, cov tshuaj chromatographic tsom xam thiab cov kuab tshuaj.