2 4-Difluorophenylhydrazine hydrochloride (CAS # 51523-79-6)
| 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 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S22 - Tsis txhob nqus plua plav. |
| WGK Germany | 3 |
| HS Code | 29 280 000 ib |
| Hazard Class | IRRITANT |
Taw qhia
2,4-Difluorophenylhydrazine hydrochloride yog cov organic compound nrog cov tshuaj formula C6H6F2N2 · HCl. Hauv qab no yog cov lus piav qhia ntxaws txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Cov tsos mob: tsis muaj xim crystalline khoom
- Melting point: 151-153 ° C
- txheeb ze molecular mass: 188.59
-Soluble: Soluble hauv dej thiab qee cov organic solvents, xws li ethanol thiab chloroform
Siv:
2,4-Difluorophenylhydrazine hydrochloride feem ntau yog siv los ua tus neeg sawv cev txo qis thiab muaj nitrogen-muaj reagent hauv organic synthesis. Nws tuaj yeem cuam tshuam nrog qee cov organic tebchaw los tsim cov hydrazine derivatives, xws li cov synthesis ntawm quinones, los yog rau cov synthesis ntawm lwm cov nitrogen heterocyclic compounds.
Txoj Kev Npaj:
2,4-Difluorophenylhydrazine hydrochloride feem ntau tuaj yeem npaj los ntawm cov tshuaj tiv thaiv ntawm phenylhydrazine thiab 2,4-difluorobenzaldehyde. Cov kev mob tshwm sim feem ntau suav nrog kev ua cov tshuaj tiv thaiv hauv ib qho nruab nrab nruab nrab nrog kev maj mam ntxiv ntawm hydrochloric acid thiab tom qab nag lossis daus ntawm cov khoom raws li hydrochloride ntsev.
Cov ntaub ntawv kev nyab xeeb:
- 2,4-Difluorophenylhydrazine hydrochloride yog ib yam khoom uas tsim kev puas tsuaj, thov ceev faj kom tsis txhob nqus pa, noj lossis tiv nrog daim tawv nqaij thiab qhov muag.
- Hnav cov khoom tiv thaiv tsim nyog xws li hnab looj tes, lub tshuab ua pa thiab tsom iav thaum siv thiab ua haujlwm.
-Thov kom nws kaw thiab tsis txhob sib cuag nrog huab cua, noo noo thiab lub teeb.
-thov ua raws li cov txheej txheem kev nyab xeeb hauv chav kuaj, zam qhov hluav taws kub thiab hluav taws kub nyob ze ntawm kev ua haujlwm.
