2,4-Dinitrophenylhydrazine(CAS#119-26-6)

2,4-Dinitrophenylhydrazine (CAS # 119-26-6) gabatarwa

inganci
Amintattun bayanai
Red crystalline foda. Matsayin narkewa yana kusan 200 ° C. Dan kadan mai narkewa cikin ruwa, ethanol, mai narkewa a cikin acid. Fashewa na iya faruwa lokacin da aka fallasa ga zafi, tuntuɓar harshen wuta, zafi mai zafi, gogayya, girgiza, da tasiri. Idan ya kone, yana fitar da hayaki mai guba da ban haushi. Haɗuwa da oxidants na iya haifar da gaurayawan fashewa.

Hanya
Amintattun bayanai
An dakatar da sulfate na hydrazine a cikin ruwan zafi, an ƙara potassium acetate, sanyaya bayan tafasa, an ƙara ethanol, an tace daskararru, kuma an wanke filtrate da ethanol. 2,4- = nitrophenyl ethanol an ƙara shi zuwa maganin hydrazine na sama, kuma 2,4- = nitrophenylhydrazine an samo shi ta hanyar tacewa, wankewa, bushewa, da kuma tacewa.

amfani
Amintattun bayanai
Yana da reagent na chromogenic don tantance aldehydes da ketones ta hanyar chromatography na bakin ciki. Ana amfani da shi azaman reagent ultraviolet derivatization don aldehydes da ketones a cikin haɗin kwayoyin halitta da kera abubuwan fashewa.

tsaro
Amintattun bayanai
bera na baka LDso: 654mg/kg. Yana da ban haushi ga idanu da fata. Yana da hankali ga fata. Wannan samfurin yana shiga cikin jiki, wanda zai iya haifar da methemoglobinemia da cyanosis. Ajiye a cikin ɗakin ajiya mai sanyi, mai iska. Ka nisantar da wuta da tushen zafi. Yawan zafin jiki bai kamata ya wuce 30 ° C ba. Kariya daga hasken rana kai tsaye. Rike kwandon a rufe sosai. Don dalilai na tsaro, galibi ana jika kuma ana wucewa tare da ruwa bai gaza 25% ba yayin ajiya da sufuri. Ya kamata a adana shi daban daga oxidants da acid. Kada a haɗa ajiya da sufuri.