I-2-Methyl-3,4-Pentadienoic Acid Ethyl Ester(CAS#60523-21-9)
Intshayelelo
I-Ethyl 2-methyl-3,4-pentadienoic acid yi-organic compound, ehlala ifinyeziwe njenge-MEHQ. Oku kulandelayo kukwazisa ngobume, ukusetyenziswa, indlela yokuvelisa kunye nolwazi lokhuseleko lwe-MEHQ:
Umgangatho:
- Imbonakalo: I-MEHQ lulwelo olungenambala ukuya koluthubi olukhanyayo.
- Ukunyibilika: I-MEHQ iyanyibilika kwezinye izinyibilikisi zendalo ezifana ne-ethers, i-alcohol kunye ne-ketones, kwaye ayinyibiliki emanzini.
Sebenzisa:
- I-Antioxidants: I-MEHQ isetyenziswa ngokubanzi njenge-antioxidant kwi-rubber kunye neemveliso zeplastiki ukwandisa ubomi bayo phantsi kobushushu obuphezulu kunye neemeko zemitha ye-UV.
- Izizinzi zokukhanya: I-MEHQ iphinda isetyenziswe kwi-sunscreens kunye nemveliso ye-sunscreen ngenxa yezinto zayo ezichasene ne-UV.
Indlela:
Indlela eqhelekileyo yokulungiselela i-MEHQ yi-esterification ye-2-methyl-3,4-pentadienic acid (i-Mesaconic acid) kunye ne-ethanol, ngokuqhelekileyo phantsi kweemeko ze-acidic.
Ulwazi ngoKhuseleko:
I-MEHQ yinto enetyhefu enokuthi ibe yingozi kwimpilo xa ibonakaliswe kwaye ifakwe. Nanga amanye amanyathelo okhuseleko:
-Nxiba izixhobo ezifanelekileyo zokukhusela, ezifana nempahla yamehlo ekhuselayo kunye neeglavu, xa usetyenziswa.
- Sebenzisa kwindawo engena umoya kwaye uphephe ukuphefumla umphunga wayo.
- Gcina kwisingxobo esingangeni moya, kude nomlilo namaqondo obushushu aphezulu.
