Ethyl cyanoacetate (CAS#105-56-6)

Ethyl cyanoacetate (CAS # 105-56-6) Gabatarwa

Ethyl cyanoacetate, lambar CAS 105-56-6, wani muhimmin kayan sinadari ne mai mahimmanci.
A tsari, ya ƙunshi ƙungiyar cyano (-CN) da ƙungiyar ethyl ester (-COOCH₂CH₃) a cikin kwayoyin halittarsa, kuma wannan haɗin tsarin yana sa ya bambanta da sinadarai. Dangane da kaddarorin jiki, gabaɗaya ba shi da launi zuwa ruwan rawaya mai haske tare da wari na musamman, wurin narkewa na kusan -22.5 ° C, wurin tafasa a cikin kewayon 206 - 208 ° C, mai narkewa a cikin kaushi na Organic kamar alcohols. da ethers, da kuma wani mai narkewa a cikin ruwa amma in mun gwada da ƙanana.
Dangane da kaddarorin sinadarai, ƙaƙƙarfan polarity na ƙungiyar cyano da halayen esterification na ƙungiyar ethyl ester sun ƙayyade cewa yana iya fuskantar halayen da yawa. Alal misali, shi ne na gargajiya nucleophile, da kuma cyano kungiyar iya shiga a cikin Michael Bugu da kari dauki, da conjugation Bugu da kari tare da α, β-unsaturated carbonyl mahadi za a iya amfani da su gina sabon carbon-carbon bond, wanda ya samar da ingantacciyar hanya ga. da hadaddun kwayoyin halitta. Ƙungiyoyin Ethyl ester na iya zama hydrolyzed a ƙarƙashin yanayin acidic ko alkaline don samar da acid carboxylic daidai, waɗanda ke da mahimmanci a cikin jujjuyawar ƙungiyoyi masu aiki a cikin haɗin gwiwar kwayoyin halitta.
Dangane da hanyar shirye-shiryen, ana amfani da ethyl chloroacetate da sodium cyanide azaman albarkatun ƙasa don shirya ta hanyar maye gurbin nucleophilic, amma wannan tsari yana buƙatar sarrafa yanayin sashi da yanayin halayen sodium cyanide, saboda yawan guba da rashin aiki mara kyau. yana da sauƙi don haifar da haɗari na aminci, kuma wajibi ne a kula da matakan tsaftacewa masu biyo baya don samun samfurori masu tsabta.
A cikin aikace-aikacen masana'antu, shine mabuɗin tsaka-tsaki a cikin haɓakar sinadarai masu kyau kamar su magunguna, magungunan kashe qwari, da ƙamshi. A cikin magani, ana amfani da shi don kera magungunan kwantar da hankali-hypnotic irin su barbiturates; A fagen magungunan kashe qwari, shiga cikin haɗakar mahadi tare da ayyukan kashe kwari da herbicidal; A cikin hada kayan kamshi, yana iya gina kwarangwal na kwayoyin dandano na musamman da samar da kayan masarufi na musamman don hadawa daban-daban dadin dandano, wanda ke taka muhimmiyar rawa wajen tallafawa masana'antu na zamani, noma da kayayyakin masarufi.
Ya kamata a jaddada cewa saboda ƙungiyar cyano, Ethyl cyanoacetate yana da wani tasiri mai guba da tasiri a kan fata, idanu, numfashi na numfashi, da dai sauransu, don haka wajibi ne a saka kayan kariya a cikin yanayi mai kyau a lokacin aiki, kuma bin ƙa'idodin aminci na dakunan gwaje-gwajen sinadarai da samar da sinadarai.