3-Nitrophenylhydrazine Hydrochloride (CAS # 636-95-3)
| 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. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S36 - Hnav khaub ncaws tiv thaiv zoo. |
| UN IDs | 2811 ib |
| WGK Germany | 3 |
| Hazard Class | 6.1 |
| Packing Group | III |
Taw qhia
3-Nitrophenylhydrazine hydrochloride yog ib qho inorganic compound nrog cov tshuaj formula C6H7N3O2 · HCl. Nws yog daj crystalline hmoov.
3-Nitrophenylhydrazine hydrochloride muaj cov khoom nram qab no:
-Lub melting point yog hais txog 195-200 ° C.
- tuaj yeem yaj hauv dej, solubility siab.
-Nws yog ib yam khoom phem uas muaj qee yam toxicity rau tib neeg lub cev.
Kev siv lub ntsiab ntawm 3-nitrophenylhydrazine hydrochloride yog ib qho nruab nrab hauv cov organic synthesis. Nws tuaj yeem cuam tshuam nrog lwm cov tebchaw los tsim ntau yam organic tebchaw.
Txoj kev npaj 3-nitrophenylhydrazine hydrochloride yog tsuas yog los ua 3-nitrophenylhydrazine nrog hydrochloric acid. 3-nitrophenylhydrazine yog thawj zaug yaj nyob rau hauv acidic tej yam kev mob, ces hydrochloric acid yog ntxiv thiab cov tshuaj tiv thaiv yog stirred rau ib lub sij hawm. Thaum kawg, cov khoom yog precipitated thiab ntxuav kom muab 3-Nitrophenylhydrazine hydrochloride.
Thaum siv thiab tuav 3-Nitrophenylhydrazine hydrochloride, koj yuav tsum tau xyuam xim rau cov ntaub ntawv kev nyab xeeb hauv qab no:
-Vim nws toxicity, nws yog ib qho tsim nyog yuav tsum hnav cov khoom tiv thaiv tus kheej tsim nyog, xws li hnab looj tes thiab tsom iav tiv thaiv.
-Tsis txhob nqus nws cov plua plav lossis tshuaj, tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
- Ua tib zoo saib xyuas kev tiv thaiv hluav taws thiab tawg thaum tuav thiab khaws cia.
-Tom qab siv, pov tseg yuav tsum muab pov tseg raws li kev cai ib puag ncig. Kev ntsuas kev tu cev kom zoo yuav tsum tau saib xyuas.
