3 4-Dichlorophenylhydrazine hydrochloride (CAS# 19763-90-7)
Hadari da Tsaro
| Lambobin haɗari | R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi. R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. |
| Bayanin Tsaro | S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita. S37/39 - Sanya safofin hannu masu dacewa da kariya / ido S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska. S22 - Kada ku shaka kura. S24/25 - Guji hulɗa da fata da idanu. |
| ID na UN | 2811 |
| WGK Jamus | 3 |
| HS Code | Farashin 29280000 |
| Bayanin Hazard | Mai cutarwa/mai ban haushi |
| Matsayin Hazard | HAUSHI |
3 4-Dichlorophenylhydrazine hydrochloride (CAS# 19763-90-7) Bayani
| aikace-aikace | 3, 4-dichlorophenylhydrazine hydrochloride shine matsakaicin magunguna wanda za'a iya amfani dashi don shirya biphenylpyridine. |
| hanyar shiri | fili 3,4-dichloroaniline (38.88g,0.2399mol) an narkar da a dichloroethane (30ml), sa'an nan 12mol/L maida hankali hydrochloric acid (70ml,0.84mol) aka kara, sodium nitrite (18.06g,0.261mol) da aka kara. Maganin dauki yana zuga a 5 ℃ na 30min, da Ana tace ruwa mai haske, a sauke zuwa 140ml na maganin sodium sulfite mai ɗauke da (90.71g,0.7197mol), amsa a 80 ℃ na kimanin sa'o'i 3, amsa don samar da 3,4-dichlorophenylhydrazine, ƙara kusan (60ml,0.72mol) maida hankali hydrochloric. acid na awa 1, motsawa cikin dare a zafin jiki, tace don samun 3,4-dichlorophenylhydrazine hydrochloride farin m 46.1g, yawan amfanin ƙasa: 90%. |
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