2 6-Dinitrobenzaldehyde (CAS # 606-31-5)
| 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. |
| WGK Germany | 3 |
| RTECS | TIAB SA 5957500 |
| FLUKA BRAND F CODE | 9 |
Taw qhia
2,6-dinitrobenzaldehyde yog ib qho organic compound nrog cov tshuaj formula C7H4N2O4. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev tsim thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Cov tsos mob: 2,6-dinitrobenzaldehyde raws li cov muaju daj.
-Solubility: Nws yog yuav luag insoluble hauv dej, tab sis soluble nyob rau hauv ntau cov organic solvents xws li ethanol, dichloromethane, thiab lwm yam.
- Melting point: Nws melting point yog nyob rau hauv thaj tsam ntawm 145-147 degrees Celsius.
-Odor: Nws muaj ib tug muaj zog pungent tsw.
Siv:
-Chemical reagent: 2,6-dinitrobenzaldehyde feem ntau yog siv los ua tshuaj reagent los npaj lwm cov tebchaw.
-Synthesis intermediate: Nws kuj yog ib qho nruab nrab ntawm qee cov organic synthesis. Piv txwv li, nws tuaj yeem siv rau hauv kev npaj dyes, tshuaj tua kab, tshuaj, thiab lwm yam.
Txoj Kev Npaj:
-Txoj kev npaj ntawm 2,6-dinitrobenzaldehyde feem ntau ua tiav los ntawm cov tshuaj tiv thaiv ntawm nitrobenzaldehyde. Ua ntej, benzaldehyde thiab concentrated nitric acid cov tshuaj tiv thaiv, thiab tom qab ntawd tom qab qhov tsim nyog acidic kev kho mob, koj tuaj yeem tau txais 2,6-dinitrobenzaldehyde.
Cov ntaub ntawv kev nyab xeeb:
- 2,6-dinitrobenzaldehyde yog cov tshuaj lom thiab yuav tsum tau saib xyuas. Tsis txhob kov ncaj qha rau ntawm daim tawv nqaij, qhov muag thiab ua pa.
- Hnav cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes, tsom iav, thiab cov tsho hauv chav kuaj thaum siv lossis tuav cov khoom sib xyaw no kom tiv thaiv kev sib cuag thiab nqus pa.
-Cov khib nyiab yuav tsum tau muab pov tseg raws li txoj hauv kev tau teev tseg kom tsis txhob muaj kuab paug rau ib puag ncig.
Thov nco ntsoov tias qhov no tsuas yog kev qhia dav dav rau 2,6-dinitrobenzaldehyde. Cov kev sim tshwj xeeb thiab kev tiv thaiv kev nyab xeeb yuav tsum tau soj ntsuam thiab ua raws li cov xwm txheej tshwj xeeb. Yuav tsum ua raws li kev soj ntsuam thiab kev nyab xeeb cov cai thiab cov lus qhia thaum siv tshuaj.
