3 4-Dichlorophenylhydrazine hydrochloride（CAS# 19763-90-7)
Pilikia a palekana
| Nā Code Risk | R20/21/22 – He pōʻino ma ka inhalation, pili me ka ʻili a inā ale ʻia. R36/37/38 – Hoʻonanea i ka maka, ka ʻōpū hanu a me ka ʻili. |
| Ka wehewehe palekana | S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino. S37/39 – E hoʻohana i nā mīkina lima kūpono a me ka pale maka/maka S36/37/39 – E hoʻohana i nā lole pale kūpono, nā mīkina lima a me ka pale maka/maka. S22 – Mai hanu i ka lepo. S24/25 – Hōʻalo i ka pili ʻana me ka ʻili a me nā maka. |
| UN ID | 2811 |
| WGK Kelemānia | 3 |
| HS Code | 29280000 |
| Nānā Hazard | Poino/Hinoino |
| Papa Hazard | HOOLAHA |
3 4-Dichlorophenylhydrazine hydrochloride（CAS# 19763-90-7) ʻIkepili
| palapala noi | ʻO 3, 4-dichlorophenylhydrazine hydrochloride he lāʻau lapaʻau waena e hiki ke hoʻohana ʻia e hoʻomākaukau i ka biphenylpyridine. |
| ʻano hoʻomākaukau | ʻO ka hui 3,4-dichloroaniline (38.88g,0.2399mol) i hoʻoheheʻe ʻia i ka dichloroethane (30ml), a laila hoʻohui ʻia ka 12mol/L concentrated hydrochloric acid (70ml,0.84mol), sodium nitrite (18.06g,0.261mol). Hoʻoulu ʻia ka hopena hopena ma 5 ℃ no 30min, a hoʻomaʻamaʻa ʻia Hoʻokuʻu ʻia ka wai, hāʻule i ka 140ml o ka solution sodium sulfite i loaʻa (90.71g,0.7197mol), hana i ka 80 ℃ no kahi o 3 mau hola, hana i ka hana 3,4-dichlorophenylhydrazine, hoʻohui i kahi (60ml,0.72mol) concentrated hydrochloric acid no ka hola 1, e hoʻoulu i ka pō ma ka lumi wela, kānana e loaʻa 3,4-dichlorophenylhydrazine hydrochloride keʻokeʻo paʻa 46.1g, hua: 90%. |
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