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huahana

Inoa Pelekania: phenacetinum, phenacetin

[C10H13NO2 = 179.22]

ʻO kēia huahana p-ethoxyacetanilide. ʻAʻole ʻemi ka ʻike o C10H13NO2 ma mua o 99.0%.

[ʻano] keʻokeʻo ka huahana, me ka aniani flake aniani a i ʻole ka pauka crystalline keʻokeʻo; ʻaʻohe honi, ʻono ʻawaʻawa iki.

Hoʻopau ʻia ka huahana i ka etanol a i ʻole ka chloroform, hiki ke hoʻoheheʻe ʻia i loko o ka wai e hoʻolapalapa ana, e hoʻoheheʻe iki ʻia i ka ether, a hoʻoheheʻe iki ʻia i ka wai.
ʻO ke kiko hoʻoheheʻe i ke kiko hoʻoheheʻe o kēia huahana (Nānā ʻaoʻao 13) ʻo 134 ~ 137 ℃.

[nānā] 0.6g o ka organochlorine i lawe ʻia a hahao ʻia i loko o ka ipu kōmike. 50mg nickel aluminika oka a, 5ml 90% ethanol, 10ml wai a me 2ml sodium hydroxide solution (1mol / L) i hoʻohui ʻia, Hoʻokomo ʻia i loko o ka waiʻauʻau, hoʻomehana a me ke aniani no 10 mau minuke, e hoʻalili, e kānana i loko o kahi ʻōmole ana he 50ml me ka pepa kānana manuahi chloride, holoi i ka ipu kuni kiki a me ka pepa kānana me ka wai i nā manawa he nui, e kāwili i ka wai holoi i loko o ka ʻōmole ana, e hoʻohui i ka wai e hoʻowali i ka pālāki, hoʻoluliluli maikaʻi, hoʻokaʻawale 25ml, a nānā e like me ke kānāwai (ʻaoʻao Paʻi. 35). Ina o ka turbidity, hoʻohālikelike me ka hopena kaohi i hana ʻia e 25ml hakahaka hakahaka a me ka 6ml maʻamau sodium sodium kloride 02%).

No ka p-ethoxyaniline, e lawe i ka 0.3g, e hoʻohui i ka ethanol 1ml, hāʻule iodine solution (0.01mol / l) a hiki i ka melemele iki, a laila hoʻohui i ka haʻina iodine 0.05ml (0.01mol / l) a me 3ml wai wai anuanu hou. E wela pono a hiki i ka wā e hoʻoheheʻe ai. E nānā koke ke wela. Inā hoʻomohala ʻia ke kala, ʻaʻole ia e hohonu ma mua o ka leo like o ka ʻulaʻula brown No.4 maʻamau colorimetric solution.

Lawe iā 0.5g o kēia huahana no ka carbonization maʻalahi, a nānā e like me ke kānāwai. Inā he melemele ia, ʻaʻole ia e hohonu ma mua o ka melemele melemele No.4 maʻamau solution colorimetric o ka leo like; inā he ʻulaʻula ia, ʻaʻole ia e hohonu ma mua o ka ʻulaʻula ʻulaʻula No.7 maʻamau solution colorimetric o ka leo like.

Loss ma ka hoʻomaloʻo ʻana: e lawe i ka huahana a hoʻomaloʻo iā ia ma 105 ℃ no 3 mau hola, a ʻaʻole ʻoi aku ke kaumaha ma mua o 0.5%.

ʻO ke koena ma ka hoʻā ʻana ʻaʻole e ʻoi aku i ka 0.1%

[ʻike i ka ʻike ma loko] lawe ma kahi o 0.35g o kēia huahana, kaupaona pono iā ia, hahao iā ia i loko o ka ipu kōmike conical, e hoʻohui i 40 ml dilute hydrochloric acid, e lohi a wela a reflux hoʻi no 1 hola, e hoʻalili, e hoʻohui i ka wai 15ml, a me ka titrate me ka sodium nitrite hopena (0.1mol / l) (akā ua hoʻololi ʻia ka manaʻo nui o ka galvanometer i 10 <- 3> A / grid) e like me ke kaohi hana titration paʻa mau loa (Manaʻo 53). ʻO kēlā me kēia 1ml o ka hopena sodium nitrite (0.1mol / l) like ia me 17.92mg C10H13NO2.

[hana a hoʻohana] i nā lāʻau antipyretic a me analgesic. No ke kuni, ʻeha, etc.

[note] ʻo ka hoʻohana wā lōʻihi a me ka hoʻohana nui ʻana ke kumu o ka cyanosis a i ʻole ka hōʻino ʻana o ka hakuʻala.

[waiho] waiho uila.


Ka manawa Post: Mei-10-2021