4-Nitrobenzhydrazide (CAS # 636-97-5)
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. |
| Kev nyab xeeb piav qhia | S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. 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 |
| WGK Germany | 3 |
| RTECS | DH5670000 |
| TSCA | Yog lawm |
| HS Code | 29 280 000 ib |
| Hazard Class | IRRITANT |
Taw qhia
4-nitrobenzoylhydrazide yog ib qho organic compound.
Zoo:
4-Nitrobenzoylhydrazide yog daj rau txiv kab ntxwv crystalline khoom uas yog soluble hauv chloroform, ethanol, thiab acidic solvents, thiab yuav luag insoluble hauv dej. Nws yog flammable thiab tawg thiab yuav tsum tau saib xyuas.
Siv:
4-nitrobenzoylhydrazide yog ib qho tshuaj reagent uas feem ntau siv los ua kev sib txuas reagent, amination reagent thiab cyanide reagent hauv organic synthesis.
Txoj kev:
Txoj kev npaj ntawm 4-nitrobenzoylhydrazide feem ntau siv cov tshuaj tiv thaiv ntawm benzaldehyde thiab hydrogen ammonia, uas yog nitrified los tsim 4-nitrobenzaldehyde, thiab tom qab ntawd 4-nitrobenzoylhydrazide tau los ntawm kev txo cov tshuaj tiv thaiv.
Cov ntaub ntawv kev nyab xeeb:
4-Nitrobenzoylhydrazide muaj kev pheej hmoo ntawm tawg thiab yuav tsum tau saib xyuas kom tsis txhob muaj kev sib cuag ncaj qha nrog daim tawv nqaij thiab nqus tau pa. Kev ceev faj tsim nyog yuav tsum tau ua thaum tuav thiab khaws cia kom muaj kev nyab xeeb. Ua tib zoo nkag siab txog cov ntaub ntawv kev nyab xeeb uas cuam tshuam ua ntej siv: thiab ua raws li txoj kev tuav thiab siv kom raug.
