2-5-Dimethyl pyrazine (CAS#123-32-0)
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. S36 - Apara liaparo tse loketseng tsa tšireletso. |
Li-ID tsa UN | NA 1993 / PGIII |
WGK Jeremane | 3 |
RTECS | UQ2800000 |
TSCA | Ee |
Khoutu ea HS | 29339990 |
Tsebiso ea Kotsi | E tenang |
Selelekela
2,5-dimethylpyrazine ke motsoako oa lintho tse phelang. Se latelang ke kenyelletso ea thepa, tšebeliso, mekhoa ea ho lokisetsa le tlhahisoleseding ea polokeho ea 2,5-dimethylpyrazine.
Boleng:
2,5-Dimethylpyrazine ke kristale e mosehla e se nang 'mala ho ea ho leseli le nang le monko o khethehileng oa mosi, linate le kofi.
Sebelisa:
Mokhoa:
Tokisetso ea 2,5-dimethylpyrazine e ka etsoa ka mekhoa e fapaneng. Mokhoa o tloaelehileng ke ho fumana sehlahisoa se lebisitsoeng ka ammonolysis ea thioacetylacetone e lateloang ke cyclization. Ho feta moo, ho na le mekhoa e meng ea ho kopanya, joalo ka nitroation ea metsoako ea carbon, phokotso ea acyl oxime, joalo-joalo.
Lintlha tsa Tšireletseho:
2,5-Dimethylpyrazine e batla e bolokehile bakeng sa batho le tikoloho tlas'a maemo a tloaelehileng a tšebeliso
- Ha e kopana le letlalo le mahlo, e ka baka ho teneha le ho ruruha, 'me ho lokela ho nkoa mehato ea ho itšireletsa ha e sebelisoa, joalo ka ho apara li-gloves tse sireletsang le likhalase.
- Qoba ho hema likhase kapa lerōle nakong ea ho tšoara, kaha ho hema nako e telele ho ka baka ho teneha ha moea.
- Ho kopana le li-oxidants le li-acid tse matla ho lokela ho qojoa ha u li boloka ho qoba liketso tse kotsi.
- Ha u e lahla, e lahle ho latela melao e amehang 'me u qobe ho tsoa ka kotloloho tikolohong.