2-Ethoxy-3-methylpyrazine (CAS # 32737-14-7)
| 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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. |
| WGK Germany | 3 |
Taw qhia
2-ethoxy-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:
- Cov tsos mob: 2-ethoxy-3-methylpyrazine yog cov kua tsis muaj xim.
- Solubility: Soluble hauv dej, ethanol thiab feem ntau cov kuab tshuaj organic.
Siv:
- Nws tuaj yeem siv rau hauv kev sib txuas ntawm qee yam tshuaj tua kab mob (xws li polyhydroxysulfamic acid), nrog rau qee cov tshuaj lom neeg lom neeg.
Txoj kev:
- 2-Ethoxy-3-methylpyrazine feem ntau tuaj yeem npaj los ntawm kev hloov pauv ntawm 2-methylpyrazine nrog ethanol. Cov txheej txheem tshwj xeeb suav nrog: thawj cov cua sov thiab nplawm 2-methylpyrazine nrog rau qhov tsim nyog ntawm ethanol hauv lub reactor, tom qab ntawd ntxiv qee qhov ntawm alkyd catalyst (xws li Fengyun acid), txuas ntxiv cov tshuaj tiv thaiv cua sov, thiab thaum kawg distilling kom tau cov khoom.
Cov ntaub ntawv kev nyab xeeb:
- Hnav cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes, tsom iav, thiab khaub ncaws tiv thaiv thaum ua haujlwm.
