丁基

dīngjī

noun

Meanings

HSK 7-9

丁醇分子中含有一个丁基。

Dīngchún fēnzǐ zhōng hányǒu yí ge dīngjī.

A butanol molecule contains one butyl group.

HSK 7-9

把甲基换成丁基以后，这种化合物的溶解性明显改变了。

Bǎ jiǎjī huànchéng dīngjī yǐhòu, zhè zhǒng huàhéwù de róngjiěxìng míngxiǎn gǎibiàn le.

Once the methyl group was replaced with a butyl group, the compound's solubility changed noticeably.

memory

Chinese chemistry counts carbon atoms with the Heavenly Stems: 甲 1, 乙 2, 丙 3, 丁 4. So 丁基 is butyl, 丁烷 is butane and 丁基橡胶 is butyl rubber.

丁 dīng

基 jī