2-Methylthio-3 (or5or6)-methylpyrazine (CAS # 2882-20-4)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus 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 | TIAB SA 3334 |
| WGK Germany | 3 |
| TSCA | Yog lawm |
| HS Code | 29339900 ib |
Taw qhia
2-Methylthio-3-methylpyrazine yog ib qho organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
1. Cov tsos mob: 2-methylthio-3-methylpyrazine feem ntau yog cov khoom dawb los yog crystalline, thiab tej zaum kuj yog hmoov.
2. Solubility: Nws yog soluble nyob rau hauv ntau cov organic solvents xws li chloroform, benzene, thiab ethanol.
Siv:
1. Cov tshuaj tua kab: 2-methylthio-3-methylpyrazine tuaj yeem siv los ua cov tshuaj tua kab thiab tshuaj tua kab, thiab muaj kev tiv thaiv zoo ntawm cov kab mob thiab kab tsuag ntawm qee cov qoob loo.
2. Marine chemistry: Cov tshuaj no kuj tuaj yeem siv rau kev tshawb fawb hauv hiav txwv los kawm txog tus cwj pwm thiab cov lus teb ntawm lub cev ntawm cov kab mob marine.
Txoj kev:
2-Methylthio-3-methylpyrazine tuaj yeem ua ke los ntawm cov kauj ruam hauv qab no:
1. Condensate methyl thiocyanate thiab acetone nyob rau hauv cov xwm txheej tsim nyog los tsim Kawasaki heterocycles.
Tom qab ntawd, Kawasaki heterocycle yog reacted nrog formic acid muab 2-methylthio-3-methylpyrazine.
Cov ntaub ntawv kev nyab xeeb:
1. 2-Methylthio-3-methylpyrazine muaj qhov ua kom khaus khaus thiab yuav tsum tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
2. Cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes thiab tsom iav yuav tsum hnav thaum siv lossis tuav.
3. Yog tias nqus tau los yog nqus tau, nrhiav kev kho mob tam sim ntawd.
