3 4-Dichlorophenylhydrazine hydrochloride（CAS# 19763-90-7)
Tulaga lamatia ma le Saogalemu
| Tulaga lamatia | R20/21/22 – E afaina pe a manava, pe a pa'u ma pe a folo. R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u. |
| Fa'amatalaga Saogalemu | S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i. S37/39 – Fai totigilima talafeagai ma le puipuiga o mata/mata S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata. S22 – Aua le manava pefu. S24/25 – Aloese mai le fa'afeso'ota'i ma pa'u ma mata. |
| UN ID | 2811 |
| WGK Siamani | 3 |
| HS Code | 29280000 |
| Mata'utia Fa'amatalaga | Fa'aleaga/Itaitai |
| Vasega o Tulaga Lamatia | FAAFITAU |
3 4-Dichlorophenylhydrazine hydrochloride（CAS# 19763-90-7) Faamatalaga
| talosaga | 3, 4-dichlorophenylhydrazine hydrochloride o se vailaʻau vavalalata e mafai ona faʻaaogaina e saunia ai le biphenylpyridine. |
| auala sauniuni | fa'afefiloi 3,4-dichloroaniline (38.88g,0.2399mol) ua fa'amavaeina i le dichloroethane (30ml), ona fa'aopoopoina lea o le 12mol/L fa'atosina hydrochloric acid (70ml,0.84mol), fa'aopoopo le sodium nitrite (18.06g,0.261mol), le tali tali e fa'aoso i le 5 ℃ mo le 30min, ma fa'amanino fa'amama le vai, tu'u i le 140ml o le sodium sulfite solution o lo'o i ai (90.71g,0.7197mol), tali i le 80 ℃ mo le tusa ma le 3 itula, tali atu e maua ai le 3,4-dichlorophenylhydrazine, fa'aopoopo e uiga i le (60ml, 0.72mol) fa'atosina hydrochloric acid. mo le 1 itula, faʻafefe i le po i le vevela o le potu, faamama e maua 3,4-dichlorophenylhydrazine hydrochloride pa'epa'e malo 46.1g, maua mai: 90%. |
Tusi lau savali iinei ma lafo mai ia i matou
