3 4-Dichlorophenylhydrazine hydrochloride （CAS # 19763-90-7)
Ibyago n'umutekano
| Kode y'ingaruka | R20 / 21/22 - Byangiza muguhumeka, guhura nuruhu kandi niba byamizwe. R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu. |
| Ibisobanuro byumutekano | S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi. S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso. S22 - Ntugahumeke umukungugu. S24 / 25 - Irinde guhura nuruhu n'amaso. |
| Indangamuntu ya Loni | 2811 |
| WGK Ubudage | 3 |
| Kode ya HS | 29280000 |
| Icyitonderwa | Byangiza / Birakaze |
| Icyiciro cya Hazard | IRRITANT |
3 4-Dichlorophenylhydrazine hydrochloride （CAS # 19763-90-7) Amakuru
| Porogaramu | 3, 4-dichlorophenylhydrazine hydrochloride ni imiti yimiti ishobora gukoreshwa mugutegura biphenylpyridine. |
| uburyo bwo gutegura | ifumbire ya 3,4-dichloroaniline (38.88g, 0.2399mol) irashonga muri dichloroethane (30ml), hanyuma hongerwamo 12mol / L aside hydrochloric aside (70ml, 0.84mol), hiyongeraho nitrite ya sodium (18.06g, 0.261mol). igisubizo cya reaction gikangurwa kuri 5 ℃ kuri 30min, hanyuma amazi asobanutse akayungurura, akamanuka kuri 140ml ya sodium sulfite igisubizo kirimo (90.71g, 0.7197mol), reba kuri 80 ℃ mumasaha agera kuri 3, reba kubyara 3,4-dichlorophenylhydrazine, ongeramo hafi (60ml, 0,72mol) acide hydrochloric aside isaha 1, uzunguze ijoro ryose ubushyuhe bwicyumba, uyungurura kubona 3,4-dichlorophenylhydrazine hydrochloride yera ikomeye 46.1g, umusaruro: 90%. |
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