3 4 5-Trichloropyridine (CAS # 33216-52-3)
Hazard Cov Cim | Xi-xaj |
Risk Codes | R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. 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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S36 - Hnav khaub ncaws tiv thaiv zoo. |
WGK Germany | 3 |
HS Code | 293339 0 |
Hazard Class | IRRITANT |
Taw qhia
3,4,5-Trichloropyridine 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: 3,4,5-Trichloropyridine yog cov kua tsis muaj xim rau daj ntseg daj.
- Solubility: Nws yog soluble hauv qee cov kuab tshuaj organic xws li chloroform, benzene, thiab methanol.
- 3,4,5-Trichloropyridine yog ib qho muaj zog yooj yim compound.
Siv:
- 3,4,5-Trichloropyridine feem ntau yog siv los ua cov catalyst hauv cov organic synthesis, xws li hauv cov tshuaj chlorination thiab aromatization.
- Nws kuj tuaj yeem siv los ua cov khoom nruab nrab nruab nrab thiab cov khoom ntxiv rau cov ntaub ntawv polymer.
Txoj kev:
- Txoj kev npaj ntawm 3,4,5-trichloropyridine feem ntau yog siv cov tshuaj tiv thaiv ntawm chloropyridine thiab chlorine gas. Cov kauj ruam tshwj xeeb suav nrog kev ua kom txias cov tshuaj tiv thaiv sib xyaw thiab ua rau nws nyob rau hauv cov xwm txheej uas muaj cov tshuaj chlorine rau ib lub sijhawm. Tom qab ntawd, cov khoom yog purified los ntawm distillation.
Cov ntaub ntawv kev nyab xeeb:
- 3,4,5-Trichloropyridine yog khaus thiab corrosive, kev sib cuag nrog cov tawv nqaij thiab qhov muag yuav tsum tau zam, thiab cov hnab looj tes tiv thaiv thiab tsom iav yuav tsum hnav.
- Thaum siv los yog khaws cia, nws yuav tsum tau khaws cia kom deb ntawm qhov hluav taws kub thiab qhov kub thiab txias kom tsis txhob muaj cov nplaim taws.
- Thaum siv 3,4,5-trichloropyridine, xyuam xim rau qhov cua zoo kom tsis txhob nqus pa.
- Ua raws li cov cai thiab cov lus qhia txog kev nyab xeeb thaum tuav lossis pov tseg cov khoom pov tseg.