4-Nitrophenylhydrazine Hydrochloride (CAS # 636-99-7)
| 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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. S22 - Tsis txhob nqus plua plav. |
| UN IDs | 2811 ib |
| Kev Ceeb Toom | Ua phem |
| Hazard Class | 6.1 |
| Packing Group | III |
Taw qhia
4-nitrophenylhydrazine hydrochloride. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- 4-Nitrophenylhydrazine hydrochloride yog daj crystalline khoom uas yog soluble hauv dej.
- Nws yog oxidizing heev thiab tawg, yog li tuav nws nrog kev saib xyuas.
Siv:
- 4-Nitrophenylhydrazine hydrochloride feem ntau yog siv los ua qhov nruab nrab rau cov khoom siv hluav taws xob siab thiab cov khoom tawg.
- Nws tuaj yeem siv rau hauv kev npaj ntawm lwm cov tshuaj nitro-pab pawg.
Txoj kev:
- Ib txoj hauv kev rau kev npaj ntawm 4-nitrophenylhydrazine hydrochloride yog tau los ntawm nitrification.
- Dissolve phenylhydrazine nyob rau hauv ib qho acidic hnyav thiab ntxiv qhov tsim nyog tus nqi ntawm nitric acid.
- Thaum kawg ntawm cov tshuaj tiv thaiv, cov khoom yog crystallized nyob rau hauv daim ntawv ntawm hydrochloric acid.
Cov ntaub ntawv kev nyab xeeb:
- 4-Nitrophenylhydrazine hydrochloride yog ib qho tsis ruaj khov thiab tawg heev thiab yuav tsum tsis txhob hnov qab ua phem rau lwm yam khoom lossis cov xwm txheej.
- Thaum tuav thiab khaws cia, nws yog ib qho tseem ceeb uas yuav tsum ua raws li cov txheej txheem kev nyab xeeb uas cuam tshuam thiab hnav cov khoom tiv thaiv tsim nyog.
- Thaum ua cov kev sim lossis kev siv hauv kev lag luam, tus nqi thiab cov xwm txheej ntawm nws cov kev siv yog nruj me ntsis tswj kom tsis txhob muaj xwm txheej.
- Thaum muab pov tseg lossis pov tseg cov khoom, cov kev cai hauv zos, cov cai thiab cov cai yuav tsum tau ua.
