2-Hydroxy-4-methyl-3-nitropyridine (CAS # 21901-18-8)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus 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 - Hnav khaub ncaws tiv thaiv zoo. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag |
| WGK Germany | 3 |
| HS Code | 29337900 ib |
| Kev Ceeb Toom | Irritant |
Taw qhia
2-Hydroxy-4-methyl-3-nitropyridine yog ib qho organic compound nrog cov khoom nram qab no:
Cov tsos mob: 2-Hydroxy-4-methyl-3-nitropyridine yog daj rau txiv kab ntxwv-daj crystalline hmoov.
Solubility: soluble hauv ethanol thiab ether, insoluble hauv dej.
Stability: Relatively ruaj khov ntawm chav tsev kub.
2-Hydroxy-4-methyl-3-nitropyridine muaj qee yam kev siv hauv thaj chaw ntawm chemistry:
Fluorescent dye: cov cuab yeej tshwj xeeb ntawm nws cov qauv molecular, 2-hydroxy-4-methyl-3-nitropyridine tuaj yeem siv los ua cov khoom siv raw rau kev sib txuas ntawm fluorescent dyes.
Catalyst: 2-hydroxy-4-methyl-3-nitropyridine tuaj yeem siv los ua catalyst hauv qee cov tshuaj tiv thaiv catalytic.
Txoj kev npaj 2-hydroxy-4-methyl-3-nitropyridine:
2-Hydroxy-4-methyl-3-nitropyridine feem ntau yog tau los ntawm reacting methylpyridine nrog nitrifying acid. Cov tshuaj tiv thaiv tej yam kev mob yuav tsum tau tswj kub thiab tswj molar piv ntawm reactants.
Cov ntaub ntawv kev nyab xeeb:
Tiv thaiv kom tsis txhob nqus pa: Tsis txhob nqus cov plua plav lossis roj los ntawm qhov sib xyaw no.
Cia ceev faj: Nws yuav tsum tau muab cia rau hauv qhov chaw qhuav thiab txias, thiab cais tawm los ntawm cov khoom siv hluav taws xob, oxidants, muaj zog acids thiab lwm yam khoom.
Ceeb Toom: Cov cuab yeej tiv thaiv tus kheej tsim nyog (PPE) xws li cov hnab looj tes kuaj thiab tsom iav tiv thaiv yuav tsum tau hnav thaum ua haujlwm.
