propanal + is + noun/adjective
Propanal is a colorless liquid aldehyde.
丙醛是一种无色液体醛。
丙醛
丙醛
propionaldehyde
The chemist synthesized propanal through the oxidation of 1-propanol.
化学家通过氧化1-丙醇合成了丙醛。
用法提示：propanal用作名词，表示化学物质丙醛，在句中作宾语。
Propanal is a colorless liquid with a pungent odor.
丙醛是一种具有刺激性气味的无色液体。
用法提示：propanal用作主语，描述其物理性质。
We added propanal to the reaction mixture to observe its behavior.
我们将丙醛加入反应混合物中以观察其行为。
用法提示：propanal用作宾语，表示实验操作中的反应物。
Propanal is a colorless liquid aldehyde.
丙醛是一种无色液体醛。
Propanal can be oxidized to propanoic acid.
丙醛可被氧化成丙酸。
grammar · medium
易错句子The lab synthesized propanol from ethanol.
正确表达The lab synthesized propanal from ethanol.
propanol 指丙醇（醇类），而 propanal 是丙醛（醛类），二者官能团不同，应使用 propanal。
grammar · medium
易错句子Propane aldehyde is a common solvent.
正确表达Propanal is a common solvent.
英语中丙醛的规范名称是 propanal，而非按汉语字面直译的 propane aldehyde。
丙醛是醛类（含醛基），丙醇是醇类（含羟基），化学性质不同
丙醛是醛，丙酮是酮，官能团分别为醛基和酮基，结构异构
丙醛是含氧有机物，丙烷是烷烃（仅碳氢），不饱和度不同
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