2-Bromo-5-chloropyridine (CAS # 40473-01-6)
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R20/22 - Ua phem los ntawm kev nqus pa thiab yog tias nqos. R20/2236/37/38 - R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. |
| Kev nyab xeeb piav qhia | S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes 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. S22 - Tsis txhob nqus plua plav. S22 26 36/37/39 - S36 - Hnav khaub ncaws tiv thaiv zoo. |
| UN IDs | Txias, qhuav, kaw nruj nreem |
| HS Code | 29339900 ib |
| Hazard Class | IRRITANT |
Taw qhia
2-Bromo-5-chloropyridine yog ib qho organic compound, hauv qab no yog ib qho kev qhia txog qee yam khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 2-bromo-5-chloropyridine:
Zoo:
1. Cov tsos mob: 2-bromo-5-chloropyridine yog xim tsis muaj xim rau daj ntseg daj.
3. Solubility: 2-bromo-5-chloropyridine muaj zoo solubility nyob rau hauv cov organic solvents, xws li ethanol, acetone thiab dimethyl thionite ether.
Siv:
1. Tshuaj reagents: 2-bromo-5-chloropyridine feem ntau yog siv los ua reagent hauv cov organic synthesis.
2. Pesticide intermediates: Nws kuj yog siv rau hauv cov synthesis ntawm intermediates ntawm cov tshuaj tua kab ua raw khoom rau tshuaj tua kab los yog tshuaj tua kab.
Txoj kev:
Kev npaj ntawm 2-bromo-5-chloropyridine tuaj yeem tau txais los ntawm cov tshuaj tiv thaiv ntawm 2-chloropyridine nrog hydrobromic acid. Cov kauj ruam tshwj xeeb suav nrog kev ua kom tiav 2-chloropyridine hauv anhydrous cyclohexane, ntxiv hydrobromic acid, cua sov cov tshuaj tiv thaiv thiab nplawm, tom qab cov tshuaj tiv thaiv tiav, cov txheej txheem organic tau sib cais nrog dej thiab saturated sodium chloride tov, thiab cov khoom lag luam yog purified los ntawm ziab. kho thiab distillation.
Cov ntaub ntawv kev nyab xeeb:
1. 2-Bromo-5-chloropyridine muaj peev xwm ua rau mob carcinogenic thiab toxicity rau lub cev xeeb tub, thiab yuav tsum tau ceev faj thaum siv.
2. Tsis txhob kov ntawm daim tawv nqaij thiab qhov muag.
3. Thaum siv thiab khaws cia, nws yuav tsum khaws cia kom deb ntawm qhov hluav taws kub thiab cua sov.
4. Cov cua cua zoo yuav tsum tau khaws cia thaum lub sijhawm ua haujlwm.
5. Thov ua raws li cov txheej txheem kev nyab xeeb uas cuam tshuam thiab siv cov cuab yeej tiv thaiv tus kheej.
