2-Ethyl-3-methyl pyrazine (CAS#15707-23-0)
Likhoutu tsa Kotsi | R22 – E kotsi ha e kwetswe R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo. |
Tlhaloso ea Tšireletseho | S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka. S24/25 - Qoba ho kopana le letlalo le mahlo. |
Li-ID tsa UN | UN 1993 3/PG 3 |
WGK Jeremane | 3 |
RTECS | UQ3335000 |
TSCA | Ee |
Khoutu ea HS | 29339900 |
Tsebiso ea Kotsi | E tenang |
Sehlopha sa Likotsi | 3 |
Sehlopha sa ho paka | III |
Chefo | GRAS (FEMA). |
Selelekela
2-Ethyl-3-methylpyrazine ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa ea eona, tšebeliso, mekhoa ea tlhahiso le tlhaiso-leseling ea polokeho:
Boleng:
- Ponahalo: 2-ethyl-3-methylpyrazine e ka har'a mokelikeli o se nang 'mala kapa mofuta o tiileng oa kristale.
- Sollubility: E na le ho qhibiliha ho tlase metsing, empa e ka qhibiliha ka har'a metsoako ea tlhaho.
- Botsitso: Ke motsoako o tsitsitseng, empa ho kopana le li-oxidants tse matla le li-acids tse matla li lokela ho qojoa.
Sebelisa:
- 2-Ethyl-3-methylpyrazine ke reagent e sebelisoang ka tloaelo 'me e boetse e sebelisoa e le karolo e bohareng ea motsoako oa lik'hemik'hale.
Mokhoa:
2-Ethyl-3-methylpyrazine e ka lokisoa ka mekhoa e latelang:
- Ethyl bromide e qala ho sebetsa ka pyrazine ho hlahisa 2-ethylpyrazine tlas'a maemo a alkaline.
- Ka mor'a moo, 2-ethylpyrazine e sebetsanoa le methyl bromide ho fana ka 2-ethyl-3-methylpyrazine ea ho qetela.
Lintlha tsa Tšireletseho:
- 2-Ethyl-3-methylpyrazine ka kakaretso e nkoa e le chefo e tlaase, empa mekhoa e nepahetseng ea tšireletso e lokela ho lateloa.
- Qoba ho hema, ho ama letlalo le mahlo, 'me u roale lisebelisoa tsa ts'ireletso tse kang liatlana, likhalase le lithebe tsa sefahleho.
- Ha u boloka le ho tšoara, e boloke hole le mehloli e tukang le lintho tse nang le oxidizing ho qoba kotsi ea mollo le ho phatloha.
- Sheba lingoliloeng tse amehang tsa polokeho le maqephe a data a polokeho a fanoeng ke mofani oa thepa bakeng sa tlhaiso-leseling e batsi le e nepahetseng ea polokeho.