(R)-2-(1-Hydroxyethyl)pyridine (CAS # 27911-63-3)
| Hazard Cov Cim | Xn – Ua phem |
| Risk Codes | R22 - Ua phem yog tias nqos R37/38 - Kab mob ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag 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. S39 - Hnav qhov muag / ntsej muag tiv thaiv. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag |
| WGK Germany | 3 |
| FLUKA BRAND F CODE | 10 |
| HS Code | 293339 0 |
Taw qhia
(R)-2-(1-hydroxyethyl) pyridine yog cov tshuaj lom neeg.
Zoo:
(R)-2-(1-hydroxyethyl) pyridine yog cov kua tsis muaj xim rau lub teeb daj. Nws muaj cov ntxhiab tsw tsw thiab alkaline. Cov compound yog soluble hauv dej, cawv, thiab ether solvents.
Siv:
(R)-2-(1-hydroxyethyl)pyridine yog ib qho tseem ceeb nruab nrab ntawm cov organic synthesis, uas feem ntau yog siv los ua catalyst, ligand los yog txo tus neeg sawv cev hauv cov organic synthesis.
Txoj kev:
Txoj kev npaj ntawm (R)-2-(1-hydroxyethyl)pyridine yog feem ntau ua tiav los ntawm cov tshuaj synthesis. Ib txoj kev siv feem ntau yog ntxiv ib pab pawg hydroxyethyl rau cov pyridine molecule los ua kom lub stereoconfiguration txoj cai-handed nrog ib tug haum catalyst thiab tej yam kev mob. Cov txheej txheem synthesis tshwj xeeb tuaj yeem ua kom zoo thiab txhim kho raws li qhov xav tau tiag tiag.
Cov ntaub ntawv kev nyab xeeb:
Kev nyab xeeb profile ntawm (R)-2-(1-hydroxyethyl)pyridine yog siab, tab sis kev ceev faj tus kheej thaum tuav yuav tsum tseem raug soj ntsuam. Thaum ntsib daim tawv nqaij thiab qhov muag, yaug tam sim ntawd nrog dej ntau. Tsis txhob nqus nws cov pa los yog vapors thiab xaiv qhov ua pa kom haum. Thaum siv, tsis txhob sib cuag nrog cov muaj zog oxidizing cov neeg ua haujlwm thiab cov nplaim taws kom tsis txhob muaj kev phom sij. Kev ua haujlwm kev nyab xeeb tshwj xeeb yuav tsum ua raws li cov ntawv qhia kev nyab xeeb uas cuam tshuam lossis cov lus qhia kev siv tshuaj.
