Chemical zog ntawm sodium borohydride
Muaj peev xwm txo qis: Sodium borohydride yog ib qho nruab nrab-lub zog txo tus neeg sawv cev nrog kev xaiv muaj peev xwm txo qis. Nws tuaj yeem xaiv txo qis carbonyl thiab aldehyde pawg rau hydroxyl pawg yam tsis muaj kev cuam tshuam nrog carbon-carbon ob daim ntawv cog lus thiab triple bonds. Piv txwv li, nws tuaj yeem ua tiav qhov txo qis ntawm aldehyde thiab ketone carbonyl pawg nyob rau hauv cov mob me me los tsim cov cawv thawj thiab cov cawv thib ob.
Cov tshuaj tiv thaiv nrog dej thiab cawv: Sodium borohydride yuav hnov mob maj mam nrog cov tshuaj muaj hydroxyl pawg xws li dej thiab cawv kom tso hydrogen, tab sis qhov poob ntawm sodium borohydride hauv lub sijhawm luv luv yog qhov tsawg heev, yog li sodium borohydride tuaj yeem siv los ua cov kuab tshuaj nrog alkaline. tshuaj, methanol, thiab ethanol.
Acid rhiab heev: Sodium borohydride yuav sai sai decompose thiab tso hydrogen nyob rau hauv acidic tej yam kev mob, yog li nws tsis tuaj yeem hnov qab hauv acidic tej yam kev mob.
Hygroscopicity: Sodium borohydride muaj zog hygroscopicity thiab yooj yim nqus dej thiab deliquesce.
Stability: ruaj khov nyob rau hauv cov huab cua qhuav, decompose nyob rau hauv cov huab cua ntub, thiab decompose thaum rhuab ntawm 500 degree.
Kev siv tshwj xeeb ntawm sodium borohydride
Sodium borohydride muaj ntau yam kev siv, suav nrog tshuaj, yas, papermaking, fuels, thiab tshuaj synthesis. Hauv kev lag luam kws tshuaj, sodium borohydride yog siv los ua tus neeg sawv cev hydrogenating rau kev tsim cov dihydrostreptomycin. Hauv kev lag luam yas, nws yog siv los ua tus neeg sawv cev foaming; Hauv kev lag luam papermaking, sodium borohydride yog siv rau bleaching ntoo pulp thiab av nplaum. Tsis tas li ntawd, sodium borohydride kuj tseem siv tau los ua cov roj foob pob hluav taws, cov khoom siv ua npuas dej ua npuas dej, cov tshuaj pleev xim rau cov tawv thiab cov ntawv, thiab tshem tawm cov hlau hnyav los ntawm cov dej phwj tuaj.