2 5-Dichloropyridin-3-amine (CAS # 78607-32-6)
| 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. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S36 - Hnav khaub ncaws tiv thaiv zoo. S39 - Hnav qhov muag / ntsej muag tiv thaiv. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| HS Code | 293339 0 |
| Hazard Class | IRRITANT |
| Packing Group | Ⅲ |
Taw qhia
2,5-Dichloropyridin-3-amine yog cov organic compound nrog cov tshuaj formula C5H3Cl2N. Nws yog xim tsis muaj xim lossis daj daj siv lead ua, muaj cov ntxhiab tsw muaj zog. 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:
-Cov tsos mob: tsis muaj xim lossis lub teeb daj siv lead ua
-Solubility: me ntsis soluble nyob rau hauv dej, soluble nyob rau hauv feem ntau cov organic solvents
- melting point: txog 104-106 ℃
-Boiling point: txog 270 ℃ (siv tus nqi)
Siv:
- 2,5-Dichloropyridin-3-amine tuaj yeem siv los ua ib qho nruab nrab hauv cov organic synthesis thiab dav siv hauv tshuaj, tshuaj tua kab thiab lwm yam.
-Nws tseem tuaj yeem siv los npaj cov khoom sib xyaw ua haujlwm, dyes thiab kev sib koom ua ke.
Txoj Kev Npaj:
Ib txoj hauv kev ntawm kev npaj yog cov tshuaj tiv thaiv ntawm 2,5-dichloropyridine nrog ammonia:
2,5-Dichloropyridinamine → 2,5-Dichloropyridin-3-amine
Cov ntaub ntawv kev nyab xeeb:
- 2,5-Dichloropyridin-3-amine ua rau khaus, thov saib xyuas kom tsis txhob sib cuag nrog daim tawv nqaij, qhov muag thiab ua pa. Cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes, tsom iav thiab qhov ncauj qhov ntswg yuav tsum hnav thaum siv.
-Tsis txhob tua hluav taws thiab kub kub thaum siv thiab khaws cia kom tsis txhob kub hnyiab lossis tawg.
Thov nco ntsoov tias thaum siv thiab tuav cov tshuaj, koj yuav tsum ua raws li cov txheej txheem kev nyab xeeb thiab ua raws li cov cai thiab cov lus qhia cuam tshuam los xyuas kom meej tus kheej thiab ib puag ncig kev nyab xeeb.
