2-5-Dimethyl pyrazine CAS Nr 123-32-0
| Risk Codes | R22 - Ua phem yog tias nqos R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S36 - Hnav khaub ncaws tiv thaiv zoo. |
| UN IDs | NA 1993 / PIB |
| WGK Germany | 3 |
| RTECS | Q2800000 |
| TSCA | Yog lawm |
| HS Code | 293399 0 |
| Kev Ceeb Toom | Irritant |
Taw qhia
2,5-dimethylpyrazine yog ib qho organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 2,5-dimethylpyrazine.
Zoo:
2,5-Dimethylpyrazine yog cov xim tsis muaj xim rau lub teeb daj daj nrog cov pa luam yeeb tshwj xeeb, nutty, thiab kas fes aroma.
Siv:
Txoj kev:
Kev npaj ntawm 2,5-dimethylpyrazine tuaj yeem ua tau los ntawm ntau txoj hauv kev. Ib txoj hauv kev zoo tshaj plaws yog kom tau txais cov khoom lag luam los ntawm ammonolysis ntawm thioacetylacetone ua raws li cyclization. Tsis tas li ntawd, muaj lwm txoj kev sib txuas, xws li nitroation ntawm carbon compounds, txo cov acyl oxime, thiab lwm yam.
Cov ntaub ntawv kev nyab xeeb:
2,5-Dimethylpyrazine kuj muaj kev nyab xeeb rau tib neeg thiab ib puag ncig hauv kev siv ib txwm siv
- Thaum sib cuag nrog daim tawv nqaij thiab qhov muag, nws yuav ua rau khaus thiab mob, thiab yuav tsum tau ceev faj thaum siv, xws li hnav hnab looj tes tiv thaiv thiab tsom iav.
- Tsis txhob nqus cov pa los yog plua plav thaum tuav, vim tias nqus tau ntev yuav ua rau ua pa ua pa.
- Kev sib cuag nrog cov oxidants thiab cov kua qaub muaj zog yuav tsum zam thaum khaws cia kom tsis txhob muaj kev phom sij txaus ntshai.
- Thaum muab pov tseg, pov tseg raws li cov kev cai cuam tshuam thiab tsis txhob tso tawm ncaj qha rau hauv ib puag ncig.
