2 3 5-Trichloropyridine (CAS# 16063-70-0)
Ihe ize ndụ na Nchekwa
| Akara egwu | Xi - mgbakasị ahụ |
| Koodu ihe egwu | R52/53 - Na-emerụ ihe ndị dị n'ime mmiri, nwere ike ịkpata mmetụta ọjọọ na-adịte aka na gburugburu mmiri. R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ. |
| Nkọwapụta nchekwa | S61 – Zere ntọhapụ na gburugburu ebe obibi. Rụtụ aka na ntuziaka pụrụ iche / mpempe data nchekwa. S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike. |
| NJ UN | UN 2811 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | UU0525000 |
| Koodu HS | 29333990 |
| Ihe edeturu egwu | Iwe iwe |
2 3 5-Trichloropyridine (CAS# 16063-70-0) Ozi
| okwu mmeghe | 2,3, 5-trichloropyridine bụ ihe siri ike na-acha odo odo na ihe dị n'etiti kemịkalụ dị mma. 2,3,5-trichloropyridine na-emeghachi omume na alkali metal hydroxide iji kwadebe 3,5-dichloro-2-pyridine phenol, nke bụ ihe dị mkpa akụrụngwa maka njikọ nke ụmụ ahụhụ ụmụ ahụhụ na herbicide oxaloether. 2,3, 5-trichloropyridine nwekwara ike inwekwu fluorinated ka synthesize 2, 3-difluoro-5-chloropyridine, nke bụ isi akụrụngwa maka njikọ nke herbicide alkynurate. |
| nkwadebe | 60g methanol gbakwụnye na 1000ml flask ọnụ anọ, 100g. A na-agbakwunye 2,3,5,6-tetrachloropyridine na 31.7g nke hydrazine hydrate, a na-eme ka okpomọkụ dị elu ruo 60-65 ℃, a na-emeghachi mmeghachi omume nchekwa okpomọkụ maka ihe dị ka awa 2, mmeghachi omume ahụ agwụla, a na-ebelata okpomọkụ ka ọ dị elu. 0-5 ℃, okpomọkụ e wedata ka 1 hour, ihe siri ike na ẹdụk, na siri ike bụ 2,3, 5-trichlor6-hydrazinyl pyridine hydrate akpọnwụwo iji nweta 101.6g nke ọcha siri ike nwere mkpụrụ 96% na ọdịnaya 98.5%. Tinye 100g 2,3,5-trichloro 6-hydrazinyl pyridine hydrate, 50g nke 5% sodium hydroxide aqueous ngwọta na 1000ml nke karama ọnụ anọ, bulie okpomọkụ ruo 70-75 ℃, tinye 387.6g nke 10% sodium hypochlorite aqueous ngwọta dropwise, debe okpomọkụ na 70-75 ℃, meghachi omume maka 1 hour, njedebe mmeghachi omume, dị jụụ ka 5-10 ℃, kpalie maka 1 hour, iyo iji nweta 2,3, crude 5-trichloropyridine na-distilled n'okpuru mbelata nrụgide iji nweta ngwaahịa, nke bụ ìhè odo siri ike na a mkpụrụ nke 95% na ọdịnaya nke 98%. |
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