Nkwadebe nke procaine & procaine hcl

Procaine isi

Isi: 59-46-1

Ọdịdị: ọcha crystalline ntụ ntụ

Ebe mgbaze (ebe esi mmiri): 59 ~ 62 ℃

Usoro ihe omimi: c13h2on2o2

Ibu ibu: 236.31

procaine isi

Procaine hcl

Isi: 51-05-8

Ọdịdị: kristal ọcha ma ọ bụ ntụ ntụ kristal

Ebe mgbaze (ebe esi mmiri): 154 ℃ ~ 157 ℃

Usoro ihe omimi: c13h21cln2o2

Ibu ibu: 272.77

procaine hcl

 

 

N'ime iko olu olu atọ 250ml nke nwere ihe na-akpali akpali na temometa, a na-agbakwunye ngwọta nitrocaine na pH nke 4.0-4.2.N'okpuru mkpali zuru oke, a na-agbakwunye ntụ ntụ na-arụ ọrụ na 25 ℃ n'ọtụtụ oge.Mgbe ịgbakwunye, mmeghachi omume okpomọkụ na-ebili na-akpaghị aka ma na-edobe 40-45 ℃.Oge mmeghachi omume bụ awa 2.Mgbe nzacha gasịrị, a na-asacha ihe nzacha ahụ ugboro abụọ na obere mmiri, a na-ejikọta ihe ngwọta na-asa ahụ na filtrate, acidified na pH 5 na dilute hydrochloric acid (10%), na sodium sulfide ngwọta na-agbakwunyere pH 7.8- 8.0 iji kpalite nnu ígwè na ngwọta mmeghachi omume.A na-emezi ihe nzacha ahụ na ph6 na obere ego nke dilute hydrochloric acid, wee kpoo ọkụ na 50-60 ℃ maka nkeji 10 site na obere carbon na-arụ ọrụ.A na-asacha ihe nzacha ahụ otu ugboro na obere mmiri, a na-ejikọta ihe ngwọta na-asa ahụ na nzacha, mee ka ọ dị n'okpuru 10 ℃, na alkalized na 20% NaOH ruo mgbe procaine kewapụrụ kpamkpam (pH 9.5-10.5).Nzacha, saa ugboro abụọ, pịa na igbapu maka nnu na-akpụ (procaine hcl)


Oge nzipu: Jul-14-2021