3 4-Dichlorophenylhydrazine hydrochloride (CAS# 19763-90-7)
Ngozi uye Kuchengeteka
| Risk Codes | R20/21/22 – Zvinokuvadza nekufema, kubata ganda uye kana ikamedzwa. R36/37/38 - Kushungurudza maziso, kufema system uye ganda. |
| Tsanangudzo Yekuchengetedza | S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa. S37/39 - Pfeka magirovhosi akakodzera uye dziviriro yeziso / kumeso S36/37/39 - Pfeka zvipfeko zvekudzivirira zvakakodzera, magurovhosi uye kudzivirira kweziso/chiso. S22 - Usafeme guruva. S24/25 - Dzivisa kusangana neganda nemeso. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| HS Code | 29280000 |
| Hazard Note | Zvinokuvadza/Zvinoshatirisa |
| Hazard Kirasi | IRRITANT |
3 4-Dichlorophenylhydrazine hydrochloride (CAS# 19763-90-7) Information
| application | 3, 4-dichlorophenylhydrazine hydrochloride ndeyepakati yemishonga inogona kushandiswa kugadzira biphenylpyridine. |
| nzira yekugadzirira | musanganiswa 3,4-dichloroaniline (38.88g,0.2399mol) inonyungudutswa mu dichloroethane (30ml), ipapo 12mol/L concentrated hydrochloric acid (70ml,0.84mol) inowedzerwa, sodium nitrite (18.06g,0.261 themol) inowedzerwa mhinduro mhinduro inomutswa pa5 ℃ ye30min, uye mvura yakajekeswa inoseferwa kunze, inodonha kusvika pa140ml yesodium sulfite solution ine (90.71g,0.7197mol), ita pa80 ℃ kwemaawa angangoita matatu, itai kuti ibudise 3,4-dichlorophenylhydrazine, wedzera nezve (60ml,0.72mol) concentrated hydrochloric acid kweawa imwe, fambisa usiku hwose pane tembiricha yekamuri, sefa kuti uwane 3,4-dichlorophenylhydrazine hydrochloride chena yakasimba 46.1g, goho: 90%. |
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