2-Bromo-3-methyl-5-chloropyridine (CAS # 65550-77-8)
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag R37/38 - Kab mob ua pa thiab tawv nqaij. R22 - Ua phem yog tias nqos |
| Kev nyab xeeb piav qhia | S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S39 - Hnav qhov muag / ntsej muag tiv thaiv. |
Taw qhia
2-Bromo-5-chloro-3-picoline yog cov organic compound nrog cov tshuaj formula C7H6BrClN. Cov hauv qab no yog cov lus piav qhia ntawm cov khoom, kev siv, kev npaj thiab kev nyab xeeb cov ntaub ntawv ntawm lub compound:
Xwm:
-Cov tsos mob: 2-Bromo-5-chloro-3-picoline yog cov kua tsis muaj xim lossis daj me ntsis.
-Solubility: Soluble nyob rau hauv ntau cov organic solvents, xws li ethanol, dimethylformamide thiab chloroform.
- Melting point thiab boiling point: Lub melting point ntawm lub compound yog hais txog -35 ° C, thiab boiling point yog hais txog 205-210 ° C.
Siv:
- 2-Bromo-5-chloro-3-picoline tuaj yeem siv los ua cov khoom pib lossis nruab nrab hauv cov organic synthesis, thiab nws tuaj yeem siv los ua cov khoom sib txuas, xws li tshuaj tua kab thiab tshuaj.
-Nws kuj yog siv dav hauv hluavtaws intermediates, polychlorinated biphenyls, polybrominated biphenyls thiab pigments.
Txoj Kev Npaj:
- 2-Bromo-5-chloro-3-picoline feem ntau yog npaj los ntawm bromination thiab chlorination ntawm 3-picoline. Ua ntej, 3-methylpyridine yog reacted nrog hydrogen bromide kom tau 2-bromo-5-methylpyridine, thiab tom qab ntawd cov khoom yog reacted nrog ib tug hlau chloride catalyst kom tau lub hom phiaj cov khoom.
Cov ntaub ntawv kev nyab xeeb:
- 2-Bromo-5-chloro-3-picoline feem ntau tsis ua rau muaj kev puas tsuaj loj hauv kev siv ib txwm muaj. Txawm li cas los xij, nws yuav ua rau lub qhov muag, tawv nqaij thiab ua pa, yog li yuav tsum tau saib xyuas kom tsis txhob muaj kev sib cuag ncaj qha.
-Siv nrog cov cuab yeej tiv thaiv tsim nyog, xws li hnab looj tes tshuaj, tsom iav thiab daim npog ntsej muag.
-Kev kuaj xyuas zoo yuav tsum tau ua raws li kev siv thaum lub sij hawm siv thiab kev ua pa zoo yuav tsum tau khaws cia.
-Tsis txhob sib cuag nrog cov oxidants muaj zog thiab muaj zog acids thaum tuav thiab khaws cia.
