2-Chloro-3-methoxypyridine (CAS # 52605-96-6)
| Hazard Cov Cim | Xn – Ua phem |
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R22 - Ua phem yog tias nqos |
| 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. S37 - Hnav cov hnab looj tes tsim nyog. |
| HS Code | 293339 0 |
Taw qhia
2-Chloro-3-methoxypyridine (2-Chloro-3-methoxypyridine) yog cov organic compound nrog cov tshuaj formula C6H6ClNO. Nws yog cov kua uas tsis muaj xim nrog cov ntxhiab tsw. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Cov tsos mob: cov kua tsis muaj xim
Molecular Luj: 159.57g / mol
- Melting Point: Tsis paub
-Boiling point: 203-205 ℃
Qhov ceev: 1.233g / cm3
-Solubility: Soluble nyob rau hauv ethanol, ether thiab chlorinated hydrocarbons
Siv:
- 2-Chloro-3-methoxypyridine feem ntau yog siv los ua ib qho nruab nrab hauv cov organic synthesis tshuaj.
-Nyob rau hauv kev lag luam tshuaj, nws tuaj yeem siv los ua cov tshuaj intermediates thiab cov tshuaj nquag.
Txoj Kev Npaj:
Txoj kev npaj ntawm 2-Chloro-3-methoxypyridine yog tsuas yog tau los ntawm protonation thiab chlorination cov tshuaj tiv thaiv ntawm pyridine. Cov txheej txheem hluavtaws tshwj xeeb tuaj yeem yog:
1. reacting pyridine nrog hydrogen chloride kom tau chloropyridine;
2. methanol thiab sodium hydroxide yog ntxiv rau cov tshuaj chloropyridine los tsim cov khoom, uas yog purified kom tau 2-Chloro-3-methoxypyridine.
Cov ntaub ntawv kev nyab xeeb:
- 2-Chloro-3-methoxypyridine yog cov organic compound thiab ua rau khaus. Kev sib cuag ncaj qha rau ntawm daim tawv nqaij thiab qhov muag yuav tsum zam.
-Thaum tuav lossis khaws cia, yuav tsum muaj kev tiv thaiv tsim nyog thiab cov cuab yeej tiv thaiv tus kheej xws li hnab looj tes thiab tsom iav yuav tsum hnav.
-Tsis txhob nqus nws cov vapor lossis cov tshuaj thaum siv thiab ua kom nws qhov cua zoo.
-Tsis txhob sib cuag nrog cov oxidants muaj zog, muaj zog acids thiab lwm yam tshuaj tiv thaiv kev txaus ntshai.
-Tom qab siv lossis pov tseg, cov tshuaj ntxiv yuav tsum muab pov tseg kom nyab xeeb thiab ua raws li cov cai tswj kev nyab xeeb ib puag ncig.
