3 5-Dichloro-2-cyanopyridine (CAS # 85331-33-5)
| 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. S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. |
| UN IDs | ib 3439 |
| WGK Germany | 3 |
| Hazard Class | 6.1 |
| Packing Group | III |
Taw qhia
2-Cyano-3,5-dichloropyridine yog cov organic compound nrog cov tshuaj formula C6H2Cl2N2. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
2-Cyano-3,5-dichloropyridine yog cov khoom tsis muaj xim lossis daj daj. Nws muaj tsawg volatility ntawm chav tsev kub. Nws muaj tsawg solubility hauv dej thiab siab solubility hauv cov kuab tshuaj organic xws li ethanol thiab dimethylformamide.
Siv:
2-Cyano-3,5-dichloropyridine muaj ntau yam kev siv hauv cov organic synthesis. Nws tuaj yeem siv los ua qhov nruab nrab rau kev sib txuas ntawm ntau yam organic tebchaw (xws li tshuaj, dyes thiab tshuaj tua kab). Tsis tas li ntawd, nws tseem tuaj yeem siv los ua cov khoom siv hauv kev tshawb fawb ntawm cov organic teeb-emitting diodes (OLEDs) thiab cov kua siv lead ua kua.
Txoj Kev Npaj:
2-Cyano-3,5-dichloropyridine tuaj yeem npaj siv cov txheej txheem hluavtaws sib txawv. Ib txoj kev siv hluavtaws feem ntau yog los ua cov tshuaj pyridine sib xyaw nrog cyanide, ua raws li chlorination kom tau txais cov khoom.
Cov ntaub ntawv kev nyab xeeb:
2-Cyano-3,5-dichloropyridine tuaj yeem suav hais tias muaj kev phom sij nyob rau hauv ib txwm muaj. Tej zaum nws yuav ua rau mob ua pa, qhov muag thiab tawv nqaij. Hauv kev siv, yuav tsum siv cov kev tiv thaiv tsim nyog, xws li hnav hnab looj tes thiab tsom iav. Tsis txhob kov cov oxidizing cov neeg ua haujlwm thiab cov kua qaub uas muaj zog thaum khaws cia thiab tuav. Yog tias kis tau los yog nqus tau, nrhiav kev kho mob tam sim ntawd.
