A masana'antar sinadarai, akwai samfura guda biyu masu sunaye iri ɗaya, wato glyoxylic acid da glycolic acid. Sau da yawa mutane ba sa iya bambance su. A yau, bari mu kalli waɗannan samfuran guda biyu tare. Glyoxylic acid da glycolic acid mahaɗan halitta guda biyu ne masu bambance-bambance masu mahimmanci a tsari da halaye. Bambancinsu ya fi dogara ne akan tsarin kwayoyin halitta, halayen sinadarai, halayen zahiri da aikace-aikace, kamar haka:
Tsarin kwayoyin halitta da abun da ke ciki sun bambanta
Wannan shine babban bambanci tsakanin su biyun, wanda ke ƙayyade bambance-bambancen da ke cikin sauran kaddarorin kai tsaye.
CAS 298-12-4, tare da dabarar sinadarai ta C2H2O3 da dabarar tsari ta HOOC-CHO, ya ƙunshi ƙungiyoyi biyu masu aiki - ƙungiyar carboxyl (-COOH) da ƙungiyar aldehyde (-CHO), kuma tana cikin ajin aldehyde acid na mahaɗan.
CAS 79-14-1, tare da dabarar sinadarai ta C2H4O3 da dabarar tsari ta HOOC-CH2OH, ya ƙunshi ƙungiyoyi biyu masu aiki - ƙungiyar carboxyl (-COOH) da ƙungiyar hydroxyl (-OH), kuma tana cikin ajin α-hydroxy acid na mahaɗan.
Tsarin kwayoyin halittar guda biyu sun bambanta da atom biyu na hydrogen (H2), kuma bambancin da ke cikin ƙungiyoyin aiki (ƙungiyar aldehyde da ƙungiyar hydroxyl) shine babban bambancin.
Daban-daban sunadarai halaye
Bambance-bambancen da ke cikin ƙungiyoyin aiki suna haifar da bambancin halayen sinadarai tsakanin su biyun:
Halaye naglyoxylic acid(saboda kasancewar ƙungiyoyin aldehyde):
Yana da ƙarfi wajen rage yawan sinadarai: ana iya haɗa rukunin aldehyde cikin sauƙi kuma ana iya yin maganin madubi na azurfa tare da maganin ammonia na azurfa, ana amsawa da sabon dakatarwar jan ƙarfe hydroxide don samar da bulo-ja mai kama da ruwa (cuprous oxide), kuma ana iya haɗa shi da oxalic acid ta hanyar oxalic acid ta hanyar oxalic acid ta hanyar oxalic acid kamar potassium permanganate da hydrogen peroxide.
Ƙungiyoyin Aldehyde na iya fuskantar ƙarin halayen: misali, suna iya amsawa da hydrogen don samar da glycolic acid (wannan nau'in dangantaka ce ta canji tsakanin su biyun).
Halayen glycolic acid (saboda kasancewar ƙungiyoyin hydroxyl):
Rukunin Hydroxyl suna da alaƙa da nucleophilic: suna iya fuskantar halayen esterification na intramolecular ko intermolecular tare da ƙungiyoyin carboxyl don samar da esters na cyclic ko polyester (kamar polyglycolic acid, wani abu mai lalata polymer).
Ana iya haɗa rukunin Hydroxyl da iskar oxygen: duk da haka, wahalar haɗakar iskar oxygen ta fi ta ƙungiyoyin aldehyde a cikin glyoxylic acid, kuma ana buƙatar mai ƙarfi na oxidant (kamar potassium dichromate) don haɗakar ƙungiyoyin hydroxyl zuwa ƙungiyoyin aldehyde ko ƙungiyoyin carboxyl.
Yawan sinadarin acid a cikin rukunin carboxyl: Dukansu suna ɗauke da ƙungiyoyin carboxyl kuma suna da sinadarin acid. Duk da haka, rukunin hydroxyl na glycolic acid yana da rauni wajen bayar da electrons ga rukunin carboxyl, kuma sinadarin acid ɗinsa ya ɗan yi rauni fiye da na glycolic acid (glycolic acid pKa≈3.18, glycolic acid pKa≈3.83).
Halayen jiki daban-daban
Jiha da kuma narkewar abinci:
Yana narkewa cikin ruwa da kuma sinadaran sinadarai na polar (kamar ethanol), amma saboda bambancin polarity na kwayoyin halitta, narkewar su ta ɗan bambanta (glyoxylic acid yana da ƙarfi polarity da kuma ɗan ƙarfi na narkewa a cikin ruwa).
Wurin narkewa
Wurin narkewar glyoxylic acid yana da kusan digiri 98, yayin da na glycolic acid yake da kusan digiri 78-79. Bambancin ya samo asali ne daga ƙarfin intermolecular (ƙungiyar aldehyde ta glyoxylic acid tana da ƙarfin da ya fi ƙarfi don samar da haɗin hydrogen tare da ƙungiyar carboxyl).
Aikace-aikace daban-daban
Ana amfani da shi galibi a masana'antar haɗakar sinadarai na halitta, kamar haɗa vanillin (ɗanɗano), allantoin (wani maganin gargajiya don haɓaka warkar da rauni), p-hydroxyphenylglycine (wani maganin rigakafi), da sauransu. Haka kuma ana iya amfani da shi azaman ƙari a cikin maganin shafawa na lantarki ko a cikin kayan kwalliya (amfani da kaddarorin ragewa da hana tsufa). Kayayyakin kula da gashi: A matsayin sinadari mai sanyaya gashi, yana taimakawa wajen gyara gashin da ya lalace da kuma haɓaka sheƙi na gashi (yana buƙatar a haɗa shi da wasu sinadarai don rage ƙaiƙayi).
A matsayin α-hydroxy acid (AHA), babban amfani da shi shine galibi a fannin kayayyakin kula da fata. Yana aiki a matsayin sinadari mai cire gashi (ta hanyar narkar da abubuwan da ke haɗa fata tsakanin stratum corneum don haɓaka zubar da fata da ta mutu), yana inganta matsaloli kamar fata mai kauri da alamun kuraje. Bugu da ƙari, ana amfani da shi a masana'antar yadi (a matsayin mai yin bleaching), kayan tsaftacewa (don cire sikelin), da kuma wajen haɗa robobi masu lalacewa (polyglycolic acid).
Babban bambanci tsakanin waɗannan biyu ya samo asali ne daga ƙungiyoyin aiki: glyoxylic acid ya ƙunshi ƙungiyar aldehyde (tare da ƙaƙƙarfan ƙa'idodi masu rage ƙarfi, ana amfani da su a cikin haɗakar halitta), kuma glycolic acid ya ƙunshi ƙungiyar hydroxyl (ana iya yin esterified, ana amfani da shi a fannin kula da fata da kayan aiki). Daga tsari zuwa yanayi sannan zuwa aikace-aikace, duk suna nuna bambance-bambance masu mahimmanci saboda wannan babban bambancin.
Lokacin Saƙo: Agusta-11-2025