5-Fluoro-2-methylphenylhydrazine hydrochloride (CAS # 325-50-8)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | R20/22 - Ua phem los ntawm kev nqus pa 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. |
| UN IDs | 2811 ib |
| Kev Ceeb Toom | Irritant |
| Packing Group | II |
Taw qhia
hydrochloride yog ib qho organic compound nrog cov tshuaj formula C7H9FN2 · HCl. Cov hauv qab no yog cov lus piav qhia ntawm cov khoom, kev siv, kev npaj thiab kev nyab xeeb cov ntaub ntawv ntawm lub compound:
Xwm:
-Zoo: Dawb crystalline hmoov
- Melting point: txog 170-174 ° C
-Solubility: Soluble nyob rau hauv dej thiab cov organic solvents
Siv:
-hydrochloride tuaj yeem siv los ua ib qho tseem ceeb nruab nrab thiab reagent nyob rau hauv cov txheej txheem tshuaj synthesis.
-Nws tuaj yeem siv los tsim cov fluorinated aromatic amines thiab lwm cov organic tebchaw.
Txoj kev:
Lub synthesis ntawm hydrochloride feem ntau tau los ntawm reacting 5-Fluoro-2-methylphenylhydrazine nrog hydrogen chloride hauv toluene.
- Ua ntej, cua sov thiab yaj 5-fluoro-2-methylphenylhydrazine hauv toluene, thiab tom qab ntawd maj mam ntxiv cov pa roj hydrogen chloride, thiab cov tshuaj tiv thaiv tshwm sim rau ob peb teev.
- Lim cov khoom, sib tov nws cov hypoacetate nrog n-heptane thiab txias kom tau cov muaju ntawm hydrochloride.
-Thaum kawg, cov khoom ntshiab yog tau los ntawm cov kauj ruam ntawm kev pom, ziab thiab recrystallization.
Cov ntaub ntawv kev nyab xeeb:
-Lub hydrochloride yuav tsum tau xyuam xim rau kev nyab xeeb thaum ua haujlwm.
-Nws yog ib qho organic compound nrog qee yam toxicity thiab irritation. Kev sib cuag ncaj qha nrog daim tawv nqaij thiab nqus tau pa yuav tsum zam.
- Hnav cov cuab yeej tiv thaiv tsim nyog, xws li hnab looj tes, tsom iav thiab lub ntsej muag tiv thaiv, thaum siv.
- Sim ua haujlwm hauv qhov chaw uas muaj cua zoo thiab tsis txhob muaj plua plav hauv huab cua.
- Kev pov tseg pov tseg yuav tsum tau ua raws li cov cai hauv zos, tsis txhob tso tawm lossis sib tov lwm yam tshuaj.
