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zvigadzirwa

Chirungu Zita: phenacetinum, phenacetin

[C10H13NO2 = 179.22]

Ichi chigadzirwa ip-ethoxyacetanilide. Izvo zvemukati zveC10H13NO2 hazvifanirwe kunge zviri pasi pe 99.0%.

[hunhu] chigadzirwa chacho chichena, chine kupenya kwekristaro kristaro kana chena crystalline upfu; isina hwema, kuravira zvishoma.

Chigadzirwa chinonyungudika mu ethanol kana chloroform, yakanyungudika zvishoma mumvura inodzika, yakanyungudika zvishoma mu ether, uye yakanyungudutswa zvishoma mumvura.
Nzvimbo yekunyungudika poindi inonyungudika yechigadzirwa ichi (Appendikisi peji 13) iri 134 ~ 137 ℃.

[kuongorora] 0.6g yenyukanochlorine yakatorwa ikaiswa mu conical flask. 50mg nickel aluminium alloy, 5ml 90% ethanol, 10ml mvura uye 2ml sodium hydroxide solution (1mol / L) yakawedzerwa, Iise mubath yemvura, kupisa uye reflow kwemaminetsi gumi, itonhorere pasi, uiise mu 50ml yekuyera bhodhoro ne chloride yemahara firita bepa, geza iyo conical flask uye firita pepa nemvura nguva dzinoverengeka, sanganisa mhinduro yekuwachira mubhodhoro rekuyera, wedzera mvura yekudzikisa pachiyero, zunza mushe, patsanura 25ml, uye tarisa zvinoenderana nemutemo (Appendikisi peji 35). Kana paita kusagadzikana, enzanisa nemhinduro yekudzora yakagadzirwa ne25ml isina chinhu mhinduro uye 6ml yakajairwa sodium chloride solution 02%).

Kune p-ethoxyaniline, tora 0.3g, wedzera 1ml ethanol, donhedza mhinduro yeodhini (0.01mol / l) kusvika yero zvishoma, wobva wawedzera 0.05ml iodine solution (0.01mol / l) uye 3ml ichangobikwa mvura inotonhora. Ipise zvakananga kusvika yaparara. Cherechedza iko pakarepo kana kuchipisa. Kana iro ruvara rikagadzirwa, haifanire kunge rakadzika kupfuura iro rakaenzana vhoriyamu tsvuku Nha. 4 yakajairwa colorimetric mhinduro.

Tora 0.5g yechigadzirwa ichi kuti ive nyore kabhoni, uye tarisa maererano nemutemo. Kana ikashanduka yero, haizove yakadzika kupfuura orenji yero Nha. 4 yakajairwa colorimetric mhinduro yeiyo vhoriyamu kana iri rakatsvuka, harizove rakadzika kupfuura tsvuku tsvuku Nha. 7 yakajairwa colorimetric mhinduro yeiyo vhoriyamu.

Kurasikirwa pakuomesa: tora chigadzirwa woomesa pa105 ℃ kwemaawa matatu, uye kuonda hakuzopfuura 0.5%.

Zvakasara pamwenje hazvipfuuri 0.1%

[zvemukati kutsunga] tora dzinenge 0.35g yechigadzirwa ichi, chihuremu nenzira kwayo, chiise mufaketi inowoneka, wedzera 40 ml sanganisa hydrochloric acid, pisa zvishoma uye reflux kweawa rimwe, itonhorere pasi, wedzera 15ml mvura, uye titrate nesodium nitrite mhinduro (0.1mol / l) (asi kunzwisisika kwe galvanometer kunoshandurwa kuita 10 <- 3> A / grid) zvinoenderana neyekusingaperi yekumira titration nzira (Appendikisi 53). Yese 1ml ye sodium nitrite solution (0.1mol / l) yakaenzana ne17.9mgmg C10H13NO2.

[shanda uye shandisa] antipyretic uye analgesic zvinodhaka. Nefivha, kurwadziwa, nezvimwe.

[cherechedzo] kushandiswa kwenguva yakareba uye kukuru kushandisa kunogona kukonzera cyanosis kana kukuvara kweitsvo.

[kuchengetedza] kuchengetedza kwemhepo.


Post nguva: May-10-2021