3-CHLORO-4-METHYLPYRIDINE CAS # 72093-04-0
| 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 | 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. S39 - Hnav qhov muag / ntsej muag tiv thaiv. |
| UN IDs | NA 1993 / PIB |
| WGK Germany | 3 |
| Hazard Class | IRRITANT, IRRITANT-H |
Taw qhia
3-Chloro-4-methylpyridine yog ib qho organic compound. Nws cov khoom yog raws li nram no:
1. Kev tshwm sim:3-chloro-4-methylpyridineyog cov kua uas tsis muaj xim rau lub teeb daj.
2. Ceev: 1.119 g/cm³
4. Solubility: 3-chloro-4-methylpyridine yog soluble nyob rau hauv feem ntau organic solvents thiab insoluble nyob rau hauv dej.
Kev siv tseem ceeb ntawm 3-chloro-4-methylpyridine yog raws li hauv qab no:
1. Synthesis ntawm kev hloov pauv hlau complexes: Nws yog ib qho tseem ceeb nruab nrab siv nyob rau hauv kev sib koom ua ke chemistry rau synthesis ntawm amino alcohols, amino alkates, thiab lwm yam nitrogen heterocyclic compounds.
2. Cov tshuaj tua kab nruab nrab: 3-chloro-4-methylpyridine tuaj yeem siv los ua tus nruab nrab hauv qee cov tshuaj tua kab thiab tshuaj tua kab.
Txoj kev npaj 3-chloro-4-methylpyridine feem ntau suav nrog cov kauj ruam hauv qab no:
1. Nitroation cov tshuaj tiv thaiv ntawm pyridine: pyridine yog reacted nrog concentrated nitric acid thiab sulfuric acid kom tau 3-nitropyridine.
2. Kev txo cov tshuaj tiv thaiv: 3-nitropyridine yog reacted nrog ib tug ntau ntawm sulfoxide thiab txo tus neeg sawv cev (xws li zinc hmoov) kom tau 3-aminopyridine.
3. Cov tshuaj tiv thaiv chlorination: 3-aminopyridine reacted nrog thionyl chloride kom tau 3-chloro-4-methylpyridine.
Cov ntaub ntawv ntsig txog kev nyab xeeb ntawm 3-chloro-4-methylpyridine yog raws li hauv qab no:
1. Sensitization: Tej zaum yuav muaj qhov ua xua rau qee cov neeg.
2. Kev khaus khaus: Tej zaum yuav ua rau khaus ntawm qhov muag, ua pa thiab tawv nqaij.
3. Toxicity: Nws yog tshuaj lom rau tib neeg noj qab haus huv thiab yuav tsum ua raws li cov txheej txheem kev nyab xeeb kom raug.
4. Cia: Nws yuav tsum muab cia rau hauv lub thawv airtight, kom deb ntawm ignition thiab oxidants, thiab deb ntawm kev sib cuag nrog huab cua.
Thaum siv 3-chloro-4-methylpyridine, ua raws li cov txheej txheem kev nyab xeeb xws li hnav looj tsom iav, hnab looj tes thiab khaub ncaws tiv thaiv, thiab xyuas kom meej tias nws ua haujlwm hauv qhov chaw muaj cua zoo. Nyob rau hauv rooj plaub ntawm kev sib chwv los yog nqus tau pa, nrhiav kev kho mob tam sim ntawd thiab qhia cov khoom Cov Ntaub Ntawv Kev Nyab Xeeb rau koj tus kws kho mob.
