2-Hydroxy-6-methyl-5-nitropyridine (CAS # 28489-45-4)
Risk Codes | R36/37/38 - Kab mob rau qhov muag, 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. |
HS Code | 293339 0 |
Taw qhia
2-Hydroxy-3-nitro-6-methylpyridine yog cov organic compound nrog cov tshuaj formula C7H7N2O3. Hauv qab no yog cov lus piav qhia ntxaws txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Cov tsos mob: 2-hydroxy-3-nitro-6-methylpyridine yog dawb rau lub teeb daj crystalline hmoov.
-Solubility: nws solubility hauv dej yog tsawg, soluble nyob rau hauv feem ntau organic solvents xws li cawv, ether, ketone, thiab lwm yam.
- Melting point: Lub melting point ntawm no compound yog hais txog 194-198 ° C.
-Stability: kuj ruaj khov ntawm chav tsev kub, tab sis yuav tsum tsis txhob raug rau lub teeb thiab kub ib puag ncig.
Siv:
-2-hydroxy-3-nitro-6-methylpyridine feem ntau yog siv los ua ib qho nruab nrab hauv cov organic synthesis thiab siv rau hauv kev sib txuas ntawm lwm cov tebchaw.
-Nws tseem tuaj yeem siv rau hauv kev npaj cov khoom siv roj hmab, tshuaj tua kab, tshuaj thiab dyes thiab lwm yam.
Txoj kev:
-2-Hydroxy-3-nitro-6-methylpyridine feem ntau yog tau los ntawm cov tshuaj synthesis. Txoj kev tshwj xeeb tuaj yeem tau txais los ntawm kev ua haujlwm 3-methylpyridine nrog nitric acid los ntawm nitration cov tshuaj tiv thaiv, thiab tom qab ntawd los ntawm kev txo qis thiab hydroxylation.
Cov ntaub ntawv kev nyab xeeb:
-2-hydroxy-3-nitro-6-methylpyridine yog ib yam tshuaj uas muaj toxicity. Ua raws li cov txheej txheem kev nyab xeeb hauv chav kuaj thaum ua haujlwm.
-Kev sib cuag lossis nqus tau cov tshuaj no tuaj yeem ua rau khaus thiab raug mob rau tib neeg lub cev. Kev sib cuag ntawm daim tawv nqaij, nqus tau thiab noj yuav tsum tau zam. Cov hnab looj tes tiv thaiv, qhov muag thiab lub tshuab ua pa yuav tsum tau hnav thaum siv.
-Thaum ntsib daim tawv nqaij lossis qhov muag, yaug tam sim nrog dej kom ntau thiab nrhiav kev kho mob sai li sai tau.
-Cov khoom sib xyaw yuav tsum muab khaws cia rau hauv qhov chaw kaw, qhuav, qhov cua zoo, kom deb ntawm cov hluav taws kub thiab oxidizing cov neeg ua haujlwm. Thaum pov tseg cov pov tseg, ua raws li cov cai tiv thaiv ib puag ncig hauv zos.