Butyl group | 食品添加物合法業者資訊網
![Butyl group](https://i.imgur.com/xOaDO5F.jpg)
Inorganicchemistry,butylisafour-carbonalkylradicalorsubstituentgroupwithgeneralchemicalformula−C4H9,derivedfromeitherofthetwo ...
![Butyl group](https://i.imgur.com/xOaDO5F.jpg)
Chemical group (−C₄H₉) derived from butane
"Butyl" redirects here. For the synthetic rubber, see Butyl rubber.In organic chemistry, butyl is a four-carbon alkyl radical or substituent group with general chemical formula
−C4H9, derived from either of the two isomers (n-butane and isobutane) of butane.The isomer n-butane can connect in two ways, giving rise to two "-butyl" groups:
If it connects at one of the two terminal carbon atoms, it is normal butyl or n-butyl: −CH2−CH2−CH2−CH3 (preferred IUPAC name: butyl) If it connects at one of the non-terminal (internal) carbon atoms, it is secondary butyl or sec-butyl: −CH(CH3)−CH2−CH3 (preferred IUPAC name: butan-2-yl)The second isomer of butane, isobutane, can also connect in two ways, giving rise to two additional groups:
If it connects at one of the three terminal carbons, i...butyl | 食品添加物合法業者資訊網
butyl | 食品添加物合法業者資訊網
Butyl group | 食品添加物合法業者資訊網
IIR 丁基橡膠 | 食品添加物合法業者資訊網
丁基 | 食品添加物合法業者資訊網
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