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ngwaahịa

Aha Bekee: phenacetinum, phenacetin

[NXDX13NO2 = 179.22]

Ngwaahịa a bụ p-ethoxyacetanilide. Ọdịnaya nke C10H13NO2 ekwesịghị ịbụ ihe na-erughị 99.0%.

[agwa] ngwaahịa a na-acha ọcha, nwere kristal flake na-egbu maramara ma ọ bụ ntụ ntụ ọcha; odorless, ubé ilu uto.

Ngwaahịa na-agbaze na ethanol ma ọ bụ chloroform, ntakịrị soluble na mmiri esi mmiri, ntakịrị soluble na ether, na obere agbaze na mmiri.
Ebe na-agbaze agbaze ngwaahịa a (Ihe mgbakwunye peeji 13) bụ 134 ~ 137 ℃.

[nnyocha] ewerela 0.6g nke organochlorine ma tinye ya na conical flask. 50mg nickel aluminom alloy, 5ml 90% ethanol, 10ml mmiri na 2ml sodium hydroxide solution (1mol / L) ka etinyere, Tinye ya n’ime mmiri ịsa ahụ, kpoo wee gbapụta maka nkeji iri, wetuo obi, tinye ya n’ime karama ntụ ntụ 50ml chloride free filter paper, sachaa conical flask na myọcha akwụkwọ na mmiri n'ọtụtụ oge, jikota na saa ngwọta n'ime e ji atụ ihe karama, tinye mmiri itughari na ọnụ ọgụgụ, ikwanye ọma, iche 25ml, na-elele dị ka iwu (Ihe odide ntụkwasị peeji 35). N'ihe banyere ọgba aghara, jiri ya tụnyere njikwa njikwa nke 25ml blank solution na 6ml ọkọlọtọ sodium chloride solution 02%).

Maka p-ethoxyaniline, were 0.3g, tinye 1ml ethanol, dobe iodine ngwọta (0.01mol / l) ruo mgbe obere odo, wee tinye 0.05ml ayodiin (0.01mol / l) na 3ml ọhụrụ mmiri oyi. Kpoo ya ọkụ ruo mgbe ọ gbazee. Debe ya ozugbo ọ dị ọkụ. Ọ bụrụ na etolite agba, ọ gaghị adị omimi karịa otu olu nke agba aja aja aja No.4 ọkọlọtọ colorimetric solution.

Were 0.5g nke ngwaahịa a maka carbonization dị mfe, ma lelee iwu. Ọ bụrụ na ọ gbanwee edo edo, ọ gaghị adị omimi karịa oroma odo odo No.4 ọkọlọtọ colorimetric ngwọta nke otu olu; ọ bụrụ na ọ na-acha uhie uhie, ọ gaghị adị omimi karịa agba aja aja uhie No.7 ọkọlọtọ colorimetric ngwọta nke otu olu.

Loss na ihicha: were ngwaahịa ma kpoo ya na 105 ℃ maka awa 3, na ọnwụ ọnwụ agaghị agafe 0.5%.

Fọduru na ọkụ agaghị agafe 0.1%

[mkpebi siri ike] were ihe dị ka 0.35g nke ngwaahịa a, tụọ ya n'ụzọ ziri ezi, tinye ya n'ime ite na-atọ ụtọ, tinye 40 ml dilute hydrochloric acid, jiri nwayọ kpoo ọkụ na reflux maka elekere 1, wetuo obi, tinye 15ml mmiri, wee jiri sodium nitrite titrate azịza (0.1mol / l) (mana a gbanwere uche nke galvanometer gaa na 10 <- 3> A / grid) dika usoro titration akwụsị (Appendix 53). 1ml ọ bụla nke sodium nitrite ngwọta (0.1mol / l) bụ 17.92mg C10H13NO2.

[ọrụ na ojiji] ọgwụ antipyretic na analgesic. Maka ahụ ọkụ, mgbu, wdg.

[rịba ama] ogologo oge na nnukwu ojiji nwere ike ibute cyanosis ma ọ bụ mmebi akụrụ.

[nchekwa] nchekwa ikuku.


Post oge: Mee-10-2021